79
Quality Score
Strong
Rechner mit Verlauf
✍️ bumetric analysis
“
Rechner mit Verlauf is an iOS app from Beijing Free Calculator Technology Co., Ltd. in the Finance category, currently rated 4.7★ across 24,444 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 79: Strong (healthy traction). For a Finance 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.
💰 Revenue · today and ahead
Today
$5.0K/mo
In 12 months
$5.2K – $10.8K
In 24 months
$6.4K – $19.2K
MID 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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🔬
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.
📅
What Worked™ · Development Pipeline
11 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 →
2026-03
⭐
Rating ↓ 4.50 → 4.06 (dropped 0.44★)
2026-03
⭐
Rating ↑ 4.06 → 4.50 (improved 0.44★)
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2023-10
📈
Crossed 100 ratings — social-proof flywheel kicking in
2023-07
📈
Crossed 50 ratings — social-proof flywheel kicking in
2023-05
📈
Crossed 10 ratings — social-proof flywheel kicking in
2023-05
⭐
Rating ↓ 3.50 → 3.14 (dropped 0.36★)
2023-05
⭐
Rating ↑ 3.00 → 3.40 (improved 0.40★)
2023-05
⭐
Rating ↑ 2.33 → 3.00 (improved 0.67★)
2023-05
⭐
Rating ↑ 1.00 → 2.33 (improved 1.33★)
2023-05
🚀
First tracked snapshot — initial data captured
📊
BU Investment Matrix
Below median · 48/100MID TIERFREE (NO MONETIZATION)underperforming peersRevenue Strength
3.7
Product Quality
8.9
Market Position
2.0
Growth Velocity
5.0
Defensibility
5.3
Operational Safety
7.9
Founder Strength
5.5
Monetization Maturity
0.5
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.68★ across 24,444 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 215d 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 = $90K-$160K. Portfolio play ($32K/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.
🗣
Voice of Customer
Based on 900 reviews across 9 markets● 59% positive · ● 29% neutral · ● 12% negative · Rating drift: -0.24★ (declining — recent 50: 4.44★ vs lifetime: 4.68★)
VADER compound sentiment per quarter (−1 = fully negative, +1 = fully positive). Each point ≥ 5 reviews.
Sentiment by country (−1 to +1)
🇦🇺 AU
+0.59
🇬🇧 GB
+0.53
🇨🇦 CA
+0.45
🇮🇳 IN
+0.43
🇺🇸 US
+0.43
🇫🇷 FR
+0.10
🇧🇷 BR
+0.05
🇯🇵 JP
+0.03
🇩🇪 DE
-0.02
Top praise themes
better apple ×8 shows history ×7 keeps history ×5 highly recommend ×5 original iphone ×5 calculadora ótima ×5 easter egg ×4 muy buena ×4
Top complaint themes
doesn work ×6 one star ×4 delete button ×4 asking review ×3 asking upgrade ×3 funktioniert nicht ×3 nicht mehr ×3 history ×16
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 4.68311★ | 24,444 | 4.68311★ this version |
| 🇬🇧 GB | 4.66901★ | 2,272 | 4.66901★ this version |
| 🇩🇪 DE | 4.53878★ | 6,574 | 4.53878★ this version |
| 🇫🇷 FR | 4.53303★ | 3,981 | 4.53303★ this version |
| 🇯🇵 JP | 4.38494★ | 6,240 | 4.38494★ this version |
| 🇨🇦 CA | 4.63166★ | 2,761 | 4.63166★ this version |
| 🇦🇺 AU | 4.69847★ | 1,174 | 4.69847★ this version |
| 🇧🇷 BR | 4.75118★ | 8,448 | 4.75118★ this version |
| 🇮🇳 IN | 4.59895★ | 24,563 | 4.59895★ this version |
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 (24,444 ratings)METRIC | +$5,500 | |
| Excellent rating (4.7★)METRIC | +$2,200 | |
| worth every pennyREVIEW | +$2,000 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Multilingual (31 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| slowREVIEW | −$1,200 | |
| Established app (7y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 |
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 →💾 12 MB🔞 4+📱 iOS 15.6+🔖 v6.9.16🔄 updated 7mo ago🌐 CA, HR, CS, DA, NL +26📂 Finance💰 Paid🚀 Launched 2019 (7y old)
📝 About this app
Free calculator app for the iPhone
1. No ads and super fast startup speed
2. Calculation history
3. Visual input
4. VoiceOver
5. Backspace key
6. Easy to use with one hand
7. Show or hide scientific functions
8. Keyboard sounds (19 sounds)
9. Keyboard colors (24 colors)
10. Keyboard vibration
11. Adjustable number of decimal places
12. Thousands separator
13. Scientific calculator
calculator with pi
calculator with exponents
calculator with square root
calculator with negative
calculator with log
calculator with trig
calculator with angles and radians
calculator with e… View full description on the official store →
1. No ads and super fast startup speed
2. Calculation history
3. Visual input
4. VoiceOver
5. Backspace key
6. Easy to use with one hand
7. Show or hide scientific functions
8. Keyboard sounds (19 sounds)
9. Keyboard colors (24 colors)
10. Keyboard vibration
11. Adjustable number of decimal places
12. Thousands separator
13. Scientific calculator
calculator with pi
calculator with exponents
calculator with square root
calculator with negative
calculator with log
calculator with trig
calculator with angles and radians
calculator with e… View full description on the official store →
🆕 What's New · v6.9.16
Optimized the details
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Rechner mit Verlauf
- Developer
- Beijing Free Calculator Technology Co., Ltd.
- Bundle ID
- com.calc.iphone
- App Store URL
- Open in App Store
- Category
- Finance
- Content rating
- 4+
- Languages
- CA, HR, CS, DA, NL, EN, FI, FR, DE, EL, HI, HU, ID, IT, JA, KO, MS, NB, PL, PT, RO, RU, ZH, SK, ES, SV, TH, ZH, TR, UK, VI
Company
- Website
- www.calculator-tech.com
- Tagline
- Not found
- Description
- Not found
- 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
- $32.0K/mo
- Top-grossing rank
- 🇮🇳#82 /100
- 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 Reviews49 latest · avg 4.61★ · 85.7% 5★ · 8.2% 1★
5★42 (86%)
4★3 (6%)
3★0 (0%)
2★0 (0%)
1★4 (8%)
+20,555 ratings/week
Praise: great ×8 best ×8 love ×8 excellent ×2 awesome ×2
Top positive
★★★★★ Boi
Joi…
★★★★★ Very good
This helped me cheat my homework, 10/10…
Top negative
★☆☆☆☆ 一坨
没有vlp就那几个vlp70左右贵得要死…
★☆☆☆☆ Factions and Exponents Paywalled
Nothing else needed to be said.…
📈Ratings growth24,444 ratings+40% lifetimeShow 3-year history estimate ▾
Tracked (56 weeks) Pre-tracking estimate (37 weeks) · model-based, ±5% noise · anchored to release date and current value
🗺️Geographic Distribution1 of 9 markets
🇮🇳
IN
Top-grossing rank: #82 / 100
Other markets
Outside top 100
in US, GB, DE, FR, JP, CA, AU, BR, IN
in US, GB, DE, FR, JP, CA, AU, BR, IN
This app currently ranks in only one of the 9 markets we monitor. Niche or regional apps often launch this way before global rollout. Rankings update daily.
📊Category Rank Trajectory#82 now · best #75 · worst #100
Lower line = better rank · Estimate from ratings growth model · Lower position on chart = worse rank · Higher = top of chart
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 Beijing Free Calculator Technology Co., Ltd.
View all →📦 Portfolio summaryINDIE studio
2apps·$32K/mocombined
⚠ Concentrated — top app contributes 100% of combined revenue (single-app dependency)
Full revenue analysis
Read the article-style breakdown for Rechner mit Verlauf: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.