Text to Speech!
74
Quality Score
Strong
Text to Speech!
by Gwyn Durbridge
High confidence
✍️ Bumetric analysis
“
Text to Speech! is an iOS app from Gwyn Durbridge in the Productivity category, currently rated 4.6★ across 32,727 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 74: Strong (healthy traction). For a Productivity app, that means healthy traction. The full BU Investment Matrix below scores 8 dimensions including monetisation, growth, and operational risk.
Track changes month-over-month in the Performance section below: live snapshot history and revenue forecast included.
💰 Monthly revenue · now vs forecast
● Right now
$5.0K
per month
→
12-mo forecast
$5.2K – $10.8K
per month
→
24-mo forecast
$6.4K – $19.2K
per month
MID tier
💡 Grow this revenue
Free AI audit of this app’s store listing
- Title & subtitle keyword fit
- Description hook & conversion structure
- Screenshots, ratings, reviews strategy
Typical impact: +2-5× organic installs
📊 Performance Tracking LIVE
171 snapshots on record
Rating
4.6
Reviews
32,727 reviews
Forecast Revenue / mo
$5.0K
Snapshots tracked
171
since Aug 2021
ONE-TIME · BUILD
💰 Estimated build cost
$145K
↳ What it cost to build · not monthly revenue
Likely range $110K – $195K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~2.4y at current MRR
Synthetic estimate. Inputs: category complexity, file size, screen count, monetization layer, platform reach, age × team-size proxy. Calibrated against 2024-2026 indie-agency rate surveys. Full math + source list on /methodology.
Where the money goes
| 🧱 MVP baseline (design + 1-store ship) | +$28K |
| 📱 5 unique screens × $4.5K | +$22K |
| 📦 Asset bundle (76 MB) | +$10K |
| ⚙ Productivity complexity ×1.10 | +$6K |
| ⚙ 13.0y maintenance × ~1-person team | +$77K |
Total estimate
$145K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$100K
↳ What it would sell for · not monthly revenue
Marketplace range $75K – $125K · 21× MRR multiple
💸
~0.7× build cost (under-water)
Synthetic estimate. Multiple band derived from ad-supported + age, rating quality, category demand, and user-base maturity. Calibrated against 2024-2026 indie-app-marketplace closed-deal medians. Full math + comparable deal list on /methodology.
How the multiple was built
| 📺 Ad-supported base | 15× MRR |
| 📅 13.0y proven track record | +20% |
| ⭐ ★ rating ≥ 4.4 (solid) | +8% |
| 🏷 Productivity category multiple | +8% |
Final multiple
21× MRR
👥 Estimated audience size
1.7M
Lifetime downloads (US-equivalent)
Monthly active
170K
Daily active
76K
Synthetic estimate from ratings × category benchmarks. Calibrated against 2024-2026 mobile-attribution retention + DAU/MAU reports. Numbers are US-storefront-equivalent — true global audience can be 5-10× larger for international apps. Full math + source list on /methodology.
How we sized it
| 📲 Productivity engagement | ~75 installs / rating |
| 📅 13.0y of rating accumulation | -30% |
| 🔁 Productivity D30 retention | 30% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
45% sticky
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 70%
Also possible
Flutter
Heuristic guess from app bundle size, category, store description signals, and release-date stack era. Bumetric does not disassemble binaries — for binary-level certainty you would need an SDK intelligence tool or the manifest itself. Reasoning chain on the right. Full ruleset on /methodology.
Signals we read
| 📦 App bundle size | 76 MB |
| 🏷 Category context | Productivity |
| 📦 Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Active
5%
Last shipped 2026-08-25 · 29 days ago
0 · Active
50 · At risk
100 · Abandoned
Heuristic risk score from time-since-last-update + ratings velocity proxy + Editor's Choice / curated featuring signals. Calibrated against 2024-2025 app-store ranking decay reports. Not a guarantee — a quiet app with a healthy codebase looks the same as an abandoned one until something breaks. Full math on /methodology.
Risk signals
| 📅 29 days since last update | Active development |
Verdict
Active
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$5.0K/mo · ML-estimated from 234 triggers
Growth rate
+4.0% MoM · MID tier baseline (compound monthly)
6 months
$4.7K – $7.9K
12 months
$5.2K – $10.8K
24 months
$6.4K – $19.2K
Compound growth at +4.0% MoM (tier baseline for MID). Range widens with horizon — typical noise band ±25% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Below median · 48/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
9.3
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
4.5
Market Position
2.0
Operational Safety
10.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.64★ across 32,727 reviews — exceptional (top 1% in category).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: Low — no material risk signals detected.
🎯 For competitors: Mixed picture. Worth competing if you have a clear UX or pricing edge — otherwise crowded segment.
💵 For acquirers: Estimated asking range 18-32× monthly = $90K-$160K.
Composite of 8 dimensions computed deterministically from public signals — no LLM, every score traces back to a measurable input. Default weights shown; "compete" / "acquire" / "invest" lenses re-weight without re-fetching.
Range:
💰 Forecast Revenue / mo
MODELRevenue forecast computed from BU's 234 trigger model on each snapshot. Calibrated against ground-truth from 58 verified-revenue apps.
🔬Forecast Breakdown — Why This Estimate?Top 10 of 10 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Mid install base (32,727 ratings)METRIC | +$5,500 | |
| Excellent rating (4.6★)METRIC | +$2,200 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Mature app (12y old)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| priceyREVIEW | −$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 |
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)
📈 Reviews Growth
LIVECumulative review count from first BU snapshot. Each point = a tracked update.
⭐ Rating Trend
LIVEAverage rating evolution. Updates with each new review batch.
🆕 What's New · v4.72
• General bug fixes and performance improvements
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Text to Speech!
- Developer
- Gwyn Durbridge
- Bundle ID
- gwyndurbridge.texttospeech
- App Store URL
- Open in App Store
- Category
- Productivity
- Content rating
- 4+
- Languages
- EN
Company
- Website
- Not found
- Tagline
- Today
- Description
- Find apps and games for iPhone, iPad, Mac, and more on the App Store.
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Available
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $5.0K/mo
- Top-grossing rank
- Outside top 100 in US Productivity
- All-time revenue
- Not found
- Pricing
- Not found
Founder
Founder data not yet collected for this app.
Funding
Funding data not yet collected for this app.
Press & Links
Press & Links data not yet collected for this app.
Contacts & Socials
Contacts & Socials data not yet collected for this app.
📈Ratings growth33,257 ratings+7357% lifetimeShow 3-year history estimate ▾
Tracked (60 weeks) Pre-tracking estimate (0 weeks) · model-based, ±5% noise · anchored to release date and current value
🌍Geographic ReachNot ranked
This app is currently outside the top 100 grossing in all 9 countries we monitor (US, UK, DE, FR, JP, CA, AU, BR, IN). Niche or new apps often launch this way — popularity rankings appear once daily revenue clears the regional threshold.
🚀Update Frequency · Releases per Quarter3 releases tracked
🚀Version Release Timeline3 releases tracked
Profile is built from iTunes Lookup + developer site scrape + ML revenue model. Empty fields show "Not found" — additional sources (Crunchbase, X, IndieHackers, Acquire.com) coming.
📝 About this app
Bring your text to life with Text to Speech! Text to speech produces natural sounding synthesised text from the words that you have entered in. With 178 different voices to choose from and the ability to adjust the rate and pitch, there are countless ways in which the synthesised voice can be adjusted.
Features
-------------------------
- 178 Different voices to choose from
- Voices are available in 63 different accents & languages
- No internet required
- The ability to adjust the pitch and rate
- Speak as you type
- Highlight spoken text
- Star your favourite phrases… View full description on the official store →
Features
-------------------------
- 178 Different voices to choose from
- Voices are available in 63 different accents & languages
- No internet required
- The ability to adjust the pitch and rate
- Speak as you type
- Highlight spoken text
- Star your favourite phrases… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 76 MB🔞 4+📱 iOS 17.0+🔖 v4.72🔄 updated 4w ago🌐 EN📂 Productivity💰 Free🚀 Launched 2013 (12y old)
📅
What Worked™ · Development Pipeline
16 EVENTS TRACKEDDetected changes in this app over its tracked lifetime — each event links cause (what changed) to effect (what moved). Sorted newest first.See full history →Version history →
2026-08
🔧
Shipped update — v4.69 → v4.72
→ 30 days after: reviews +116 high confidence
2026-07
🔧
Shipped update — v4.68 → v4.69
→ 30 days after: reviews +259 high confidence
2026-05
🔄
Monetization changed: freemium → free
→ 30 days after: reviews +271 medium · co-occurring
2026-03
⭐
Rating ↑ 3.25 → 4.40 (improved 1.15★)
→ 30 days after: rating +1.15★ · reviews +31,905 high confidence
2026-03
📈
Crossed 1,000 ratings — social-proof flywheel kicking in
→ 30 days after: rating +1.15★ · reviews +31,905 high confidence
2026-02
📈
Crossed 500 ratings — social-proof flywheel kicking in
→ 30 days after: rating +1.15★ · reviews +31,909 high confidence
2022-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.08★ · reviews +10 medium · co-occurring
2022-05
📈
Crossed 100 ratings — social-proof flywheel kicking in
→ 30 days after: reviews +27 low · multiple changes
2022-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.28★ · reviews +15 high confidence
2022-01
📈
Crossed 50 ratings — social-proof flywheel kicking in
→ 30 days after: rating −0.40★ · reviews +27 high confidence
2021-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.28★ · reviews +6 high confidence
2021-09
📈
Crossed 10 ratings — social-proof flywheel kicking in
→ 30 days after: rating +0.06★ · reviews +9 medium · co-occurring
2021-08
🚀
First tracked snapshot — initial data captured
→ 30 days after: rating +0.06★ · reviews +9 medium · co-occurring
2021-08
⭐
Rating ↓ 4.75 → 4.20 (dropped 0.55★)
2021-08
⭐
Rating ↑ 4.00 → 4.50 (improved 0.50★)
2021-08
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.56492★ | 2,218 | 4.56492★ this version |
| 🇧🇷 BR | 4.66463★ | 164 | 4.66463★ this version |
| 🇨🇦 CA | 4.53211★ | 2,678 | 4.53211★ this version |
| 🇩🇪 DE | 4.43532★ | 974 | 4.43532★ this version |
| 🇫🇷 FR | 4.53793★ | 435 | 4.53793★ this version |
| 🇬🇧 GB | 4.61394★ | 5,595 | 4.61394★ this version |
| 🇮🇳 IN | 4.55008★ | 609 | 4.55008★ this version |
| 🇯🇵 JP | 4.5102★ | 98 | 4.5102★ this version |
| 🇺🇸 US | 4.63679★ | 33,289 | 4.63679★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Text to Speech!: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why high confidence: 32,727 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
10 answers · auto-generated from this app's public dataHow much does Text to Speech! make per month?▴
Based on our ML-calibrated revenue forecast, Text to Speech! earns approximately $5.0K/mo. This is a US-storefront-equivalent estimate; global revenue can be several times larger for internationally-distributed apps. See the methodology page for the full formula and confidence bands.
Is Text to Speech! profitable?▴
With estimated build cost $145K and monthly revenue $5.0K, Text to Speech! looks break-even-grade — payback period sits around 2.4 years. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Text to Speech! have?▴
Estimated audience: ~1.7M lifetime downloads, ~170K monthly active users, and ~76K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Text to Speech!?▴
Browse the full Productivity category catalog to find similar apps with revenue, build cost, audience and tech stack data. Each /p/{slug} page also shows a Compare side-by-side widget with three peer apps from the same niche.
What is Text to Speech! built with?▴
Our heuristic places Text to Speech! on the Native iOS (Swift / UIKit) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Text to Speech! still actively maintained?▴
Maintenance status: Active (5% abandonment risk). Last shipped version was 29 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Text to Speech! sell for?▴
Estimated acquisition value: $100K (marketplace range $75K – $125K). Calculated as 21× monthly revenue using the standard multiple for the detected monetization model + adjustments for age, rating quality and category demand. Calibrated against 2024-2026 Flippa / Acquire.com / MicroAcquire closed-deal medians.
When was Text to Speech! last updated?▴
Text to Speech! last shipped a new version on 2026-08-25 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Text to Speech!?▴
Text to Speech! is published by Gwyn Durbridge on the Apple App Store. See the full publisher portfolio (other apps by the same developer) via the More by developer block on the product page above.
What is Text to Speech!'s BU Score?▴
Text to Speech! has a BU Score of 74/100 (Strong). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.