CalcTape Taschenrechner
62
Quality Score
Solid
CalcTape Taschenrechner
Medium confidence
✍️ bumetric analysis
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CalcTape Taschenrechner is an iOS app from schoettler Software GmbH in the Finance category, currently rated 4.1★ across 116 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 62: Solid (established niche player). For a Finance 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
💡 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
ONE-TIME · BUILD
💰 Estimated build cost
$80K
↳ What it cost to build · not monthly revenue
Likely range $60K – $110K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~3 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 |
| ⚙ Finance complexity ×1.60 | +$30K |
Total estimate
$80K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$450K
↳ What it would sell for · not monthly revenue
Marketplace range $325K – $600K · 16× MRR multiple
💸
~5.6× return on build cost
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 |
| 🏷 Finance category multiple | +15% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
16× MRR
👥 Estimated audience size
6.9K
Lifetime downloads (US-equivalent)
Monthly active
1.9K
Daily active
760
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
| 📲 Finance engagement | ~60 installs / rating |
| 🔁 Finance D30 retention | 28% |
| 📍 DAU / MAU stickiness | 0.40 |
DAU / MAU
40% sticky
🔬
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 · 45/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.5
Product Quality
5.8
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
6.0
Market Position
2.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.13★ across 116 reviews — below category median.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1453d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1453d 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 ($29K/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
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 9 of 9 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 | |
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| excellent appREVIEW | +$1,500 | |
| Mature app (14y old)METRIC | +$1,500 | |
| Multilingual (10 languages)METRIC | +$1,500 | |
| highly recommendREVIEW | +$1,400 | |
| Good rating (4.1★)METRIC | +$800 | |
| Early-stage install base (116 ratings)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 · v6.0.6
-numeric keyboard now has a small margin to the bottom to reduce risk of accidentally tapping the home-bar instead of the buttons in the bottom row
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- CalcTape Taschenrechner
- Developer
- schoettler Software GmbH
- Bundle ID
- de.sfr.ipad.calctape
- App Store URL
- Open in App Store
- Category
- Finance
- Content rating
- 4+
- Languages
- NL, EN, FR, DE, IT, JA, PT, RU, ES, TR
Company
- Website
- Not found
- Tagline
- Not found
- Description
- With CalcTape, also extensive calculations remain clearly structured. CalcTape substitutes all your desktop calculators. Download it for free.
- 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
- $28.1K/mo
- Top-grossing rank
- Outside top 100 in US Finance
- 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
- Not found
- Not found
- Phone
- +49 221 954 259 0
- Contact page
- calctape.com/en/contact
- About page
- calctape.com/en/about
📈Ratings growth116 ratings+36% lifetimeShow 3-year history estimate ▾
Tracked (57 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.
💰Pricing History$0.00 → $2.99 (+0%)
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
Calculator thought from scratch! Calculate, comment and correct instantly.
What happens if you combine a standard calculator App, a classic desktop calculator and a note App ?
CalcTape brings you the best of these and even more.
It is your companion for all daily calculation needs and easily masters all scenarios you can imagine.
CalcTape is NOT a scientific calculator app, but do we need these in daily use ?
Ever did a long calculation with many figures and asked yourself:
"Did I enter the last figure correctly ?"
"The result looks strange somehow !"… View full description on the official store →
What happens if you combine a standard calculator App, a classic desktop calculator and a note App ?
CalcTape brings you the best of these and even more.
It is your companion for all daily calculation needs and easily masters all scenarios you can imagine.
CalcTape is NOT a scientific calculator app, but do we need these in daily use ?
Ever did a long calculation with many figures and asked yourself:
"Did I enter the last figure correctly ?"
"The result looks strange somehow !"… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 4 MB🔞 4+📱 iOS 10.0+🔖 v6.0.6🔄 updated 0d ago🌐 NL, EN, FR, DE, IT +5📂 Finance💰 Paid
📅
What Worked™ · Development Pipeline
8 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 →
2026-05
💲
Went paid — introduced $2.99 price point
2018-03
📈
Crossed 100 ratings — social-proof flywheel kicking in
2015-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
2014-03
📈
Crossed 10 ratings — social-proof flywheel kicking in
2014-02
⭐
Rating ↓ 4.17 → 3.86 (dropped 0.31★)
2014-01
⭐
Rating ↓ 4.67 → 3.75 (dropped 0.92★)
2012-07
⭐
Rating ↓ 5.00 → 4.50 (dropped 0.50★)
2012-05
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.85714★ | 7 | 4.85714★ this version |
| 🇧🇷 BR | 4.33333★ | 33 | 4.33333★ this version |
| 🇨🇦 CA | 4★ | 12 | 4★ this version |
| 🇩🇪 DE | 4.04795★ | 146 | 4.04795★ this version |
| 🇫🇷 FR | 4.36364★ | 22 | 4.36364★ this version |
| 🇬🇧 GB | 4.625★ | 8 | 4.625★ this version |
| 🇮🇳 IN | 3.41667★ | 24 | 3.41667★ this version |
| 🇯🇵 JP | 4.84615★ | 13 | 4.84615★ this version |
| 🇺🇸 US | 4.12931★ | 116 | 4.12931★ this version |
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for CalcTape Taschenrechner: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
More by schoettler Software GmbH
View all →📦 Portfolio summaryINDIE studio
2apps·$29K/mocombined
⚠ Concentrated — top app contributes 95% of combined revenue (single-app dependency)
About this analysis
Why medium confidence: 116 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does CalcTape Taschenrechner make per month?▴
Based on our ML-calibrated revenue forecast, CalcTape Taschenrechner earns approximately $28K/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 CalcTape Taschenrechner?▴
Browse the full Finance 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 CalcTape Taschenrechner?▴
CalcTape Taschenrechner is published by schoettler Software GmbH 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 CalcTape Taschenrechner's BU Score?▴
CalcTape Taschenrechner has a BU Score of 62/100 (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.