44
Quality Score
Emerging
Sono X10 Spirit Box PRO
Low confidence
✍️ bumetric analysis
“
Sono X10 Spirit Box PRO is an iOS app from Janus Pedersen in the Utilities category, currently rated 2.5★ across 68 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 44: Emerging (early traction worth watching). For a Utilities 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
$1.5K
per month
→
12-mo forecast
$1.3K – $4.6K
per month
→
24-mo forecast
$1.2K – $10.7K
per month
INDIE tierFREE
💡 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD💰 Estimated build cost
$110K
↳ What it cost to build · not monthly revenue
Likely range $80K – $150K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Pays back in ~11 months 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 |
| ⚙Utilities complexity ×0.85 | $-7575 |
| ⚙11.1y maintenance × ~1-person team | +$66K |
Total estimate$110K
ONE-TIME · EXIT VALUE💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $175K · 12× MRR multiple
💸~1.1× build cost (break-even+)
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 |
| 📅11.1y proven track record | +20% |
| ⭐★ rating < 3.5 (weak) | -18% |
| 🏷Utilities category multiple | -10% |
| ⭐Small user base (<1K ratings) | -8% |
Final multiple12× MRR
🛠 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 | 35 MB |
| 🏷Category context | Utilities |
| 📦Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Likely abandoned
95%
Last shipped 2015-06-30 · 3982 days ago
0 · Active50 · At risk100 · 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
| 📅10y+ since last update | Likely abandoned |
| 👥Small user base (68 ratings) + 11.1y old | +10% (solo-project pattern) |
| •11y old + 1y+ no update | +5% (API deprecation drift) |
VerdictLikely abandoned
🔬
How we forecast this revenue
MEDIUM CONFIDENCEBaseline
$1.5K/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$1.3K – $2.9K
12 months
$1.3K – $4.6K
24 months
$1.2K – $10.7K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Pre-traction · 28/100INDIE TIERFREE (NO MONETIZATION)limited signalRevenue Strength
3.2
Product Quality
0.5
Market Position
2.0
Growth Velocity
5.0
Defensibility
6.0
Operational Safety
0.0
Founder Strength
5.0
Monetization Maturity
0.5
- 💰 Revenue: Modest — $588 - $3676/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 2.46★ across 68 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 3982d ago — possibly dormant.
- ⚠️ Risk: High — 14.8% refund mentions, scam/fraud mentions detected, rating drift -0.50 ★ (recent 50 vs lifetime).
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 12-22× monthly = $17K-$32K. Portfolio play ($10K/mo combined) commands premium. Discount applied for operational risk..
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 6 of 6 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Paid app ($0.00)METRIC | +$2,800 | |
| 5 starREVIEW | +$1,800 | |
| Below-average rating (2.5★)METRIC | −$1,500 | |
| Mature app (11y old)METRIC | +$1,500 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (68 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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 35 MB🔞 4+📱 iOS 6.0+🔖 v1.2🔄 updated 10y ago🌐 EN📂 Utilities💰 Paid🚀 Launched 2015 (11y old)
📝 About this app
Sono X10 Spirit Ghost Box PRO is the ultimate tool for both amateurs and professional paranormal investigators.
This PRO version is packed with some of the most requested features in the paranormal community.
We have created a Ghost Box and a Spirit Voice Box combined in one single ghost hunting tool.
Control the sweeping speed, from 100 ms to 300 ms with the new "low sweep" feature.
You can scan random build-in generated frequencies FM and AM or choose to use our new word engine feature, that allows you to activate the build in word database.… View full description on the official store →
This PRO version is packed with some of the most requested features in the paranormal community.
We have created a Ghost Box and a Spirit Voice Box combined in one single ghost hunting tool.
Control the sweeping speed, from 100 ms to 300 ms with the new "low sweep" feature.
You can scan random build-in generated frequencies FM and AM or choose to use our new word engine feature, that allows you to activate the build in word database.… View full description on the official store →
🆕 What's New · v1.2
This update from Apple will improve the functionality of this app. No new features are included.
# Added sound bank support
# Minor user interface updates
# Added sound bank support
# Minor user interface updates
📅
What Worked™ · Development Pipeline
6 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 →
2026-03
⭐
Rating ↑ 1.85 → 2.30 (improved 0.45★)
2018-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2016-11
⭐
Rating ↑ 1.83 → 2.29 (improved 0.46★)
2015-10
⭐
Rating ↑ 1.33 → 2.25 (improved 0.92★)
2015-08
⭐
Rating ↑ 1.00 → 1.33 (improved 0.33★)
2015-06
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 54 reviews across 4 markets● 48% positive · ● 9% neutral · ● 43% negative · Rating drift: -0.50★ (declining — recent 50: 1.96★ vs lifetime: 2.46★)
Sentiment by country (−1 to +1)
🇬🇧 GB
+0.19
🇺🇸 US
+0.08
🇨🇦 CA
+0.07
🇦🇺 AU
-0.08
Top praise themes
works ×4 please ×4 heard ×4 better ×3 spirits ×3 hear ×3 same ×3 grave ×3
Top complaint themes
doesn work ×8 free version ×5 waste money ×4 version works ×3 sound static ×3 one ×8 radio ×6 paid ×6
Risk signals
Refund mentions: 14.8% Bug mentions: 4% Fraud / scam mentions: 1.8%
🌍
Multi-Country Performance
Available in 7 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 2.45588★ | 68 | 2.45588★ this version |
| 🇬🇧 GB | 2.25★ | 12 | 2.25★ this version |
| 🇯🇵 JP | 0★ | 0 | — |
| 🇨🇦 CA | 2★ | 15 | 2★ this version |
| 🇦🇺 AU | 3.16667★ | 6 | 3.16667★ this version |
| 🇧🇷 BR | 1★ | 2 | 1★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sono X10 Spirit Box PRO
- Developer
- Janus Pedersen
- Bundle ID
- com.kumlah.sonopro
- App Store URL
- Open in App Store
- Category
- Utilities
- 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
- Verified revenue / mo
- Not found
- AI revenue estimate / mo
- Not found
- AI annual estimate
- Not found
- ML model estimate / mo
- $10.4K/mo
- Top-grossing rank
- Outside top 100 in US Utilities
- 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.
⭐Recent App Store Reviews32 latest · avg 1.88★ · 15.6% 5★ · 68.8% 1★
5★5 (16%)
4★0 (0%)
3★3 (9%)
2★2 (6%)
1★22 (69%)
+0 ratings/week
Praise: amazing ×2 love ×2Complaints: refund ×4
Top positive
★★★★★ Pretty good
I actually had some very relevant and private responses but save your money and don’t spring for the pro— the demo works better.…
★★★★★ OK Please read all
This app not so good. Why did I give it five stars ⭐️ The first app that they have created before this one I use every single day I have full-blown conversations with spirits and you can actually hear a complete sentence from the spirits. W…
Top negative
★☆☆☆☆ No sound
When you ask for app help it takes to an Asian porn site.…
★☆☆☆☆ Bad app
No stars I want a refund no explanation on how to use this nothing happened at all then I clicked on your app support and it’s porn!! Sickkkk give me my money back now!!…
📈Ratings growth68 ratings+6700% lifetimeShow 3-year history estimate ▾
Tracked (34 weeks) Pre-tracking estimate (36 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.
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.
More by Janus Pedersen
View all →📦 Portfolio summaryINDIE studio
2apps·$10K/mocombined
⚠ Concentrated — top app contributes 99% of combined revenue (single-app dependency)
Similar apps in Utilities
About this analysis
Why low confidence: only 68 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Sono X10 Spirit Box PRO make per month?▴
Based on our ML-calibrated revenue forecast, Sono X10 Spirit Box PRO earns approximately $10K/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 Sono X10 Spirit Box PRO profitable?▴
With estimated build cost $110K and monthly revenue $10K, Sono X10 Spirit Box PRO looks profitable — pays back its estimated build cost in roughly 11 months at the current run-rate. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
What apps are like Sono X10 Spirit Box PRO?▴
Browse the full Utilities 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 Sono X10 Spirit Box PRO built with?▴
Our heuristic places Sono X10 Spirit Box PRO 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 Sono X10 Spirit Box PRO still actively maintained?▴
Maintenance status: Likely abandoned (95% abandonment risk). Last shipped version was 10+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
How much would Sono X10 Spirit Box PRO sell for?▴
Estimated acquisition value: $125K (marketplace range $100K – $175K). Calculated as 12× 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 Sono X10 Spirit Box PRO last updated?▴
Sono X10 Spirit Box PRO last shipped a new version on 2015-06-30 — more than 10 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Sono X10 Spirit Box PRO?▴
Sono X10 Spirit Box PRO is published by Janus Pedersen 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 Sono X10 Spirit Box PRO's BU Score?▴
Sono X10 Spirit Box PRO 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.