The Open Diaries - WriteFreely
44
Quality Score
Emerging
The Open Diaries - WriteFreely
by FeTurtles
Low confidence
✍️ Bumetric analysis
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The Open Diaries - WriteFreely is an Android app from FeTurtles in the Lifestyle category, currently rated 3.4★ across 75 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 44: Emerging (early traction worth watching). For a Lifestyle app, that means early traction worth watching. 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
$169
per month
→
12-mo forecast
$85 – $789
per month
→
24-mo forecast
$85 – $2364
per month
MICRO 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
1 snapshots on record
Rating
3.4
Reviews
75 reviews
Forecast Revenue / mo
$169
Snapshots tracked
1
since Aug 2026
ONE-TIME · BUILD
💰 Estimated build cost
$130K
↳ What it cost to build · not monthly revenue
Likely range $100K – $175K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Slow ROI — current MRR is well below build cost
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 |
| ⚙ Lifestyle complexity ×1.05 | +$2K |
| 🌐 Cross-platform reach (iOS + Android) | +$29K |
| ⚙ 8.0y maintenance × ~1-person team | +$48K |
Total estimate
$130K
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
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
| 🏷 Category context | Lifestyle |
| 📦 Compact Android bundle | → Native Kotlin |
💀 Maintenance status
At risk
60%
Last shipped 2025-12-31 · 280 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
| 📅 9 months since last update | Concerning gap |
| 👥 Small user base (75 ratings) + 8.0y old | +10% (solo-project pattern) |
Verdict
At risk
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$169/mo · ML-estimated from 234 triggers
Growth rate
+8.0% MoM · MICRO tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$108 – $430
12 months
$85 – $789
24 months
$85 – $2.4K
Compound growth at +8.0% MoM (tier baseline for MICRO). Range widens with horizon — typical noise band ±60% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Insufficient data · 31/100MICRO TIERtoo early to scoreGrowth Velocity
5.0
Founder Strength
2.5
Product Quality
2.7
Revenue Strength
2.2
Monetization Maturity
1.0
Defensibility
4.0
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Marginal — $0 - $500/mo · MICRO tier · indicative confidence, trajectory unclear.
- ⭐ Quality: 3.43★ across 75 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 276d ago — slow cadence.
- ⚠️ Risk: Moderate — 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 = $3K-$5K.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Below-average rating (3.4★)METRIC | −$1,500 | |
| Mature app (8y old)METRIC | +$1,500 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (75 ratings)METRIC | −$300 |
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.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- The Open Diaries - WriteFreely
- Developer
- FeTurtles
- Bundle ID
- com.feturtles.theopendiaries
- App Store URL
- Open in App Store
- Category
- Lifestyle
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- www.theopendiaries.com
- Tagline
- Not found
- Description
- Not found
- Founded
- Not found
- HQ / Address
- Not found
- Employees
- Not found
- Logo
- Not found
Revenue
- Reported revenue signal / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- Model estimate / mo
- $169/mo
- Top-grossing rank
- Not found
- 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.
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
Hello there!
The Open Diaries is the perfect Diary writing app.
A safe and beautiful place to empty your thoughts and clear your mind.
Write your day in your private diary and keep them locked. Or share them with the world using an anonymous pen name. It is free, secure and personalised.
Public Notes will be visible to everyone on the app. You can edit the privacy of your notes anytime. It also features switching between different wallpapers and fonts to help you get into the perfect diary writing mood ^_^… View full description on the official store →
The Open Diaries is the perfect Diary writing app.
A safe and beautiful place to empty your thoughts and clear your mind.
Write your day in your private diary and keep them locked. Or share them with the world using an anonymous pen name. It is free, secure and personalised.
Public Notes will be visible to everyone on the app. You can edit the privacy of your notes anytime. It also features switching between different wallpapers and fonts to help you get into the perfect diary writing mood ^_^… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →🔖 v1.4.13🔄 updated 9mo ago📂 Lifestyle💰 Free🚀 Launched 2018 (8y old)
🧪
Tech & Domain Intel — theopendiaries.com
- Mail provider
- Zoho Mail
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🔔
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📝 Description
95
BU Score · Transcendent
About this analysis
Why low confidence: only 75 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
8 answers · auto-generated from this app's public dataHow much does The Open Diaries - WriteFreely make per month?▴
Based on our ML-calibrated revenue forecast, The Open Diaries - WriteFreely earns approximately $169/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 The Open Diaries - WriteFreely profitable?▴
With estimated build cost $130K and monthly revenue $169, The Open Diaries - WriteFreely looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
What apps are like The Open Diaries - WriteFreely?▴
Browse the full Lifestyle 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 The Open Diaries - WriteFreely built with?▴
Our heuristic places The Open Diaries - WriteFreely on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is The Open Diaries - WriteFreely still actively maintained?▴
Maintenance status: At risk (60% abandonment risk). Last shipped version was 9 months ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was The Open Diaries - WriteFreely last updated?▴
The Open Diaries - WriteFreely last shipped a new version on 2025-12-31 — 9 months ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes The Open Diaries - WriteFreely?▴
The Open Diaries - WriteFreely is published by FeTurtles on the Google Play 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 The Open Diaries - WriteFreely's BU Score?▴
The Open Diaries - WriteFreely has a BU Score of 44/100 (Emerging). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.