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Sleep Recorder Plus

61
Quality Score
Solid

Sleep Recorder Plus

Medium confidence
4.2 ✍️ Editor
✍️ bumetric analysis

Sleep Recorder Plus is an iOS app from Apirox, s.r.o. in the Education category, currently rated 4.2★ across 515 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.

Quality Score is 61: Solid (established niche player). For a Education app, that means established niche player. 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
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📊 Performance Tracking LIVE

Loading…
idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
ONE-TIME · BUILD 💰 Estimated build cost
$75K
What it cost to build · not monthly revenue
Likely range $55K – $100K
$25K · MVP floor $100K · indie scale $500K+ · studio build
📈 Pays back in ~9 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
📦 Asset bundle (79 MB) +$11K
Education complexity ×1.20 +$12K
Total estimate $75K
ONE-TIME · EXIT VALUE 💵 Estimated acquisition value
$125K
What it would sell for · not monthly revenue
Marketplace range $100K – $150K · 15× MRR multiple
💸 ~1.7× 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
🏷 Education category multiple +6%
Small user base (<1K ratings) -8%
Final multiple 15× MRR
👥 Estimated audience size
43K
Lifetime downloads (US-equivalent)
Monthly active
7.8K
Daily active
2.3K

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
📲 Education engagement ~85 installs / rating
🔁 Education D30 retention 18%
📍 DAU / MAU stickiness 0.30
DAU / MAU 29% sticky
🔬

How we forecast this revenue

MEDIUM CONFIDENCE
Baseline
$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 · 49/100MID TIERunderperforming peers
GrowthFounderQualityRevenueMonetiz.MoatMarketSafety
Growth Velocity
5.0
Founder Strength
7.3
Product Quality
5.9
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
7.5
Market Position
2.0
Operational Safety
7.0
  • 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
  • ⭐ Quality: 4.25★ across 515 reviews — below category median.
  • 📍 Market: Not yet charting in any of the 9 monitored markets.
  • 📈 Growth: ⚠ last update 563d ago — possibly dormant.
  • ⚠️ Risk: Moderate — dormant (563d since update).
🎯 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. Portfolio play ($57K/mo combined) commands premium.
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

MODEL
Revenue 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
Mature app (10y old)METRIC
+$1,500
Multilingual (10 languages)METRIC
+$1,500
highly recommendREVIEW
+$1,400
Good rating (4.2★)METRIC
+$800
Early-stage install base (515 ratings)METRIC
+$400
METRIC = structural app data · REVIEW = mined from user reviews · ✓ VERIFIED = Stripe-verified anchor (TrustMRR)

📈 Reviews Growth

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🆕 What's New · v4.5.20

• Performance Boosts & Bug Fixes: Enjoy a smoother, more reliable app experience with our latest performance improvements.
• Join Over 10 Million Sleep Lovers and share your recordings on social media… Full release notes →

Profile & Insights

Everything we know — and don't — about this app and its company.

Identification

App name
Sleep Recorder Plus
Developer
Apirox, s.r.o.
Bundle ID
com.apirox.stopsnoring4.free
App Store URL
Open in App Store
Category
Education
Content rating
4+
Languages
EN, FR, DE, JA, KO, RU, ZH, SK, ES, ZH

Company

Website
Not found
Tagline
Not found
Description
Apirox, s.r.o. is mobile application development studio. The main products - Sleep Apps (records your talk or snoring, smart alarms - wake up in your lightest sleep phase, stop snoring and sleepy sounds)
Founded
Not found
HQ / Address
Not found
Employees
Not found
Logo
Not found

Revenue

Verified revenue / mo
Not found
AI revenue estimate / mo
Not found
AI annual estimate
Not found
ML model estimate / mo
$8.2K/mo
Top-grossing rank
Outside top 100 in US Education
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

Socials
facebook facebook.com/apirox
Email
Not found
Phone
Not found
Contact page
apirox.com/contact.php
About page
Not found
📈Ratings growth515 ratings+51400% lifetimeShow 3-year history estimate ▾Jun 2016Jul 2023Jun 2026
Tracked (45 weeks) Pre-tracking estimate (37 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.

📝 About this app

This application consists of three modules: RECORDER, SMART ALARM, STOP SNORING.

RECORDER
Records your talk or snoring while you are asleep (automatic or manual sensitivity level, records only snoring using smart snoring detection), creates the graph of noise in room during the night, takes the total time of snoring down.

SMART ALARM
Helps you wake up easy in your lightest sleep phase and allows you to get up relaxed every morning. Improve your sleep naturally, maximize your sleep efficiency.

STOP SNORING… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →
💾 79 MB🔞 4+📱 iOS 15.0+🔖 v4.5.20🔄 updated 0d ago🌐 EN, FR, DE, JA, KO +5📂 Education💰 Paid
📅

What Worked™ · Development Pipeline

11 EVENTS TRACKED
Detected 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 →
2026-05
📈
Crossed 500 ratings — social-proof flywheel kicking in
2026-05
🔄
Monetization changed: paid → free
2026-03
Rating ↑ 2.42 → 4.10 (improved 1.68★)
2026-03
📈
Crossed 50 ratings — social-proof flywheel kicking in
2019-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2018-09
Rating ↑ 2.00 → 2.33 (improved 0.33★)
2017-02
Rating ↓ 3.00 → 2.60 (dropped 0.40★)
2017-01
Rating ↓ 3.67 → 3.00 (dropped 0.67★)
2016-12
Rating ↓ 4.50 → 3.67 (dropped 0.83★)
2016-11
Rating ↑ 4.00 → 4.50 (improved 0.50★)
2016-06
🚀
First tracked snapshot — initial data captured
🌍

Multi-Country Performance

Available in 9 of 9 monitored markets
MarketRatingReviewsCurrent version
🇦🇺 AU4.47619★844.47619★ this version
🇧🇷 BR4.59999★54.59999★ this version
🇨🇦 CA4.15574★1224.15574★ this version
🇩🇪 DE4.09639★834.09639★ this version
🇫🇷 FR4.3514★4614.3514★ this version
🇬🇧 GB4.36727★2754.36727★ this version
🇮🇳 IN4.88889★94.88889★ this version
🇯🇵 JP4.26277★1374.26277★ this version
🇺🇸 US4.24854★5154.24854★ this version
🔔

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📝 Description

95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Sleep Recorder Plus: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
Read deep-dive →

More by Apirox, s.r.o.

View all →
📦 Portfolio summaryINDIE studio
8apps·$57K/mocombined
Lead-app heavy — top app contributes 50%

Similar apps in Education

About this analysis
ZCAnalyzed by Zakhar Chumak · founder, bumetric·Full methodology·Medium confidence

Why medium confidence: 515 ratings · no founder-verified revenue (model estimate only).

Frequently Asked Questions

4 answers · auto-generated from this app's public data
How much does Sleep Recorder Plus make per month?
Based on our ML-calibrated revenue forecast, Sleep Recorder Plus earns approximately $8.2K/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.
What apps are like Sleep Recorder Plus?
Browse the full Education 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.
Who makes Sleep Recorder Plus?
Sleep Recorder Plus is published by Apirox, s.r.o. 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 Sleep Recorder Plus's BU Score?
Sleep Recorder Plus has a BU Score of 61/100 (Solid). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.