Calendar Timeline
56
Quality Score
Solid
Calendar Timeline
Low confidence
✍️ bumetric analysis
“
Calendar Timeline is an iOS app from Kevin Lieser in the Utilities category, currently rated 3.7★ across 61 ratings. Initial signal reads as largely positive sentiment, users highlighting consistency and feature depth.
Quality Score is 56: Solid (established niche player). For a Utilities 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
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Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
ONE-TIME · BUILD
💰 Estimated build cost
$45K
↳ What it cost to build · not monthly revenue
Likely range $35K – $60K
$25K · MVP floor
$100K · indie scale
$500K+ · studio build
📈
Pays back in ~4 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 |
Total estimate
$45K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$125K
↳ What it would sell for · not monthly revenue
Marketplace range $100K – $150K · 11× MRR multiple
💸
~2.8× 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 |
| ⭐ ★ rating 3.5-4.0 (mixed) | -8% |
| 🏷 Utilities category multiple | -10% |
| ⭐ Small user base (<1K ratings) | -8% |
Final multiple
11× MRR
🔬
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)
Direction
Headwinds: rating drift may slow acquisition
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 · 43/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
5.7
Product Quality
3.0
Revenue Strength
3.7
Monetization Maturity
1.0
Defensibility
4.9
Market Position
1.8
Operational Safety
9.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 3.7★ across 61 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 260d ago — slow cadence.
- ⚠️ Risk: Low — 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 ($10K/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 5 of 5 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 | |
| Multilingual (12 languages)METRIC | +$1,500 | |
| Established app (5y old)METRIC | +$800 | |
| Pre-traction phase (61 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.
🆕 What's New · v1.0.32
This update:
· [Added] Support for Watch Ultra 3 49 mm screen size
Previous updates:
· [Added] Support for Watch Series 10 42 mm and 46 mm screen size
· [Added] Japanese language
· [Added] Fixed complication size for Apple Watch Ultra 1/2
· [Added] Danish language… Full release notes →
· [Added] Support for Watch Ultra 3 49 mm screen size
Previous updates:
· [Added] Support for Watch Series 10 42 mm and 46 mm screen size
· [Added] Japanese language
· [Added] Fixed complication size for Apple Watch Ultra 1/2
· [Added] Danish language… Full release notes →
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Calendar Timeline
- Developer
- Kevin Lieser
- Bundle ID
- com.kamediendesign.CalWatch
- App Store URL
- Open in App Store
- Category
- Utilities
- Content rating
- 4+
- Languages
- DA, EN, FR, DE, HE, HU, IT, JA, PL, PT, RU, ES
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.
📈Ratings growth61 ratings+6000% lifetimeShow 3-year history estimate ▾
Tracked (51 weeks) Pre-tracking estimate (34 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 → $1.99 (+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
With the Calendar Timeline App for watchOS you'll get a nice overview of the calendar entries within the next seven days – also reminder for today and earlier are supported in one single app.
The app comes with a set of complications – also with a nice big complication for Modular Duo and Infograph Modular watch faces. In this complication you'll see all events and reminder of the day and got the next one display above.
HUGE Update: Now you can choose your favorite style!
· Fixed timeline: Fixed timespan from 6 am to 12 am… View full description on the official store →
The app comes with a set of complications – also with a nice big complication for Modular Duo and Infograph Modular watch faces. In this complication you'll see all events and reminder of the day and got the next one display above.
HUGE Update: Now you can choose your favorite style!
· Fixed timeline: Fixed timespan from 6 am to 12 am… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 3 MB🔞 4+📱 iOS 15.6+🔖 v1.0.32🔄 updated 0d ago🌐 DA, EN, FR, DE, HE +7📂 Utilities💰 Paid
📅
What Worked™ · Development Pipeline
10 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
⭐
Rating ↓ 4.40 → 3.70 (dropped 0.70★)
2026-05
📈
Crossed 50 ratings — social-proof flywheel kicking in
2026-05
💲
Went paid — introduced $1.99 price point
2026-03
⭐
Rating ↑ 3.64 → 4.40 (improved 0.76★)
2021-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2021-01
⭐
Rating ↓ 3.75 → 3.40 (dropped 0.35★)
2021-01
⭐
Rating ↑ 3.33 → 3.75 (improved 0.42★)
2020-12
⭐
Rating ↑ 3.00 → 3.33 (improved 0.33★)
2020-12
⭐
Rating ↑ 2.00 → 3.00 (improved 1.00★)
2020-12
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 6 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇦🇺 AU | 4.75★ | 4 | 4.75★ this version |
| 🇨🇦 CA | 4.15385★ | 13 | 4.15385★ this version |
| 🇩🇪 DE | 4.34615★ | 26 | 4.34615★ this version |
| 🇫🇷 FR | 4.27273★ | 11 | 4.27273★ this version |
| 🇬🇧 GB | 4.13333★ | 15 | 4.13333★ this version |
| 🇺🇸 US | 3.70492★ | 61 | 3.70492★ this version |
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📝 Description
95
BU Score · Transcendent
More by Kevin Lieser
View all →📦 Portfolio summaryINDIE studio
3apps·$10K/mocombined
⚠ Concentrated — top app contributes 98% of combined revenue (single-app dependency)
Similar apps in Utilities
About this analysis
Why low confidence: only 61 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Calendar Timeline make per month?▴
Based on our ML-calibrated revenue forecast, Calendar Timeline 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.
What apps are like Calendar Timeline?▴
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.
Who makes Calendar Timeline?▴
Calendar Timeline is published by Kevin Lieser 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 Calendar Timeline's BU Score?▴
Calendar Timeline has a BU Score of 56/100 (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.