62
Quality Score
Solid
Time Arrow
Medium confidence
✍️ bumetric analysis
“
Time Arrow is an Android app from punchlinestudio in the Tools category, currently rated 4.3★ across 4,795 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 62: Solid (established niche player). For a Tools 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
$125K
↳ What it cost to build · not monthly revenue
Likely range $95K – $170K
$25K · MVP floor$100K · indie scale$500K+ · studio build
📈Slow ROI — current MRR is well below build cost
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 |
| 💎In-app purchase plumbing | +$9K |
| ⚙Tools complexity ×0.90 | $-5949 |
| 🌐Cross-platform reach (iOS + Android) | +$29K |
| ⚙6.7y maintenance × ~1-person team | +$39K |
Total estimate$125K
👥 Estimated audience size
635K
Lifetime downloads (US-equivalent)
Monthly active
100K
Daily active
18K
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
| 📲Tools engagement | ~190 installs / rating |
| 📅6.7y of rating accumulation | -30% |
| 🔁Tools D30 retention | 22% |
| 📍DAU / MAU stickiness | 0.18 |
DAU / MAU18% sticky
🛠 Estimated tech stack
🤖
Native Android (Kotlin)
High confidence · 80%
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
| 🏷Category context | Tools |
| 📦Compact Android bundle | → Native Kotlin |
💀 Maintenance status
Likely abandoned
88%
Last shipped 2023-08-27 · 1001 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
| 📅2y+ since last update | Likely abandoned |
VerdictLikely abandoned
🔬
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 · 51/100MID TIERunderperforming peersGrowth Velocity
5.0
Founder Strength
4.7
Product Quality
7.8
Revenue Strength
3.7
Monetization Maturity
5.0
Defensibility
7.7
Market Position
0.0
Operational Safety
7.0
- 💰 Revenue: Modest — $3K - $7K/mo · MID tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.31★ across 4,795 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: ⚠ last update 1000d ago — possibly dormant.
- ⚠️ Risk: Moderate — dormant (1000d 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.
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 4 of 4 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| Low install base (4,795 ratings)METRIC | +$1,500 | |
| Good rating (4.3★)METRIC | +$800 | |
| Established app (6y 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 →🔖 v1.10.8🔄 updated 2y ago📂 Tools💰 Free📺 Ad-supported💎 IAP $2.99 per item🚀 Launched 2019 (6y old)
📝 About this app
■ App Introduction
Time Arrow is a count down day recording tool to help you manage important days such as anniversaries, birthdays, repayment days and so on.
There are always days in life that you want to record:
- Do you remember your mom's and dad's birthday?
- How many days have you been born?
- What's the date do you have to pay back your credit card every month?
- How many days to get paid?
- Will the rent be paid next month?
- Do you need a physical examination once a year?
- Don't forget to take medicine at night?
- Did you walk the dog today?… View full description on the official store →
Time Arrow is a count down day recording tool to help you manage important days such as anniversaries, birthdays, repayment days and so on.
There are always days in life that you want to record:
- Do you remember your mom's and dad's birthday?
- How many days have you been born?
- What's the date do you have to pay back your credit card every month?
- How many days to get paid?
- Will the rent be paid next month?
- Do you need a physical examination once a year?
- Don't forget to take medicine at night?
- Did you walk the dog today?… View full description on the official store →
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Time Arrow
- Developer
- punchlinestudio
- Bundle ID
- com.imzhiqiang.time
- App Store URL
- Open in App Store
- Category
- Tools
- Content rating
- Not found
- Languages
- Not found
Company
- Website
- punchlinestudio.cn
- 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
- $333/mo
- Top-grossing rank
- Not found
- All-time revenue
- Not found
- Pricing
- $2.99 per item
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 growth4,795 ratings+76% lifetimeShow 3-year history estimate ▾
Tracked (1 weeks) Pre-tracking estimate (36 weeks) · model-based, ±5% noise · anchored to release date and current value
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 punchlinestudio
View all →📦 Portfolio summaryINDIE studio
5apps·$958/mocombined
✓ Diversified — top app contributes 35%; risk spread across portfolio
Full revenue analysis
Read the article-style breakdown for Time Arrow: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.
About this analysis
Why medium confidence: 4,795 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
9 answers · auto-generated from this app's public dataHow much does Time Arrow make per month?▴
Based on our ML-calibrated revenue forecast, Time Arrow earns approximately $332/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 Time Arrow profitable?▴
With estimated build cost $125K and monthly revenue $332, Time Arrow looks well below break-even — current monthly revenue is much smaller than the estimated build cost. Profitability also depends on paid-acquisition spend and refund rate which the public model doesn't see.
How many users does Time Arrow have?▴
Estimated audience: ~635K lifetime downloads, ~100K monthly active users, and ~18K daily active users. Derived from ratings count × category installs-per-rating × age decay. US-storefront-equivalent — global audience can be 5-10× larger for internationally-distributed apps.
What apps are like Time Arrow?▴
Browse the full Tools 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 Time Arrow built with?▴
Our heuristic places Time Arrow on the Native Android (Kotlin) stack (High confidence, 80%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is Time Arrow still actively maintained?▴
Maintenance status: Likely abandoned (88% abandonment risk). Last shipped version was 2+ years ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was Time Arrow last updated?▴
Time Arrow last shipped a new version on 2023-08-27 — more than 2 year(s) ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes Time Arrow?▴
Time Arrow is published by punchlinestudio on the Google Play 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 Time Arrow's BU Score?▴
Time Arrow 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.