22
Quality Score
Niche
eSign
✍️ bumetric analysis
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eSign is an iOS app from Perfect.tw in the Business category, currently rated 1.5★ across 37 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 22: Niche (micro-niche or pre-traction stage). For a Business app, that means micro-niche or pre-traction stage. 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
$500/mo
In 12 months
$437 – $1575
In 24 months
$405 – $3644
INDIE 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
💰 Estimated build cost
$110K
Likely range $80K – $150K
$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 |
| ⚙Business complexity ×1.50 | +$25K |
| ⚙6.0y maintenance × ~1-person team | +$36K |
Total estimate$110K
🛠 Estimated tech stack
🍎
Native iOS (SwiftUI)
High confidence · 80%
Also possible
Native iOS (Swift / UIKit)
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
| 📦App bundle size | 21 MB |
| 🏷Category context | Business |
| 📦Compact iOS bundle | → Native SwiftUI (post-2020 era) |
💀 Maintenance status
At risk
60%
Last shipped 2025-10-17 · 218 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
| 📅7 months since last update | Concerning gap |
| 👥Small user base (37 ratings) + 6.0y old | +10% (solo-project pattern) |
VerdictAt risk
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$500/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
Direction
Headwinds: rating drift may slow acquisition
6 months
$426 – $993
12 months
$437 – $1.6K
24 months
$405 – $3.6K
Compound growth at +6.0% MoM (tier baseline for INDIE). Range widens with horizon — typical noise band ±40% at 6mo.. Ranges widen with horizon — distant futures carry more uncertainty.
📊
BU Investment Matrix
Pre-traction · 32/100INDIE TIERlimited signalRevenue Strength
2.7
Product Quality
1.2
Market Position
2.0
Growth Velocity
5.0
Defensibility
3.5
Operational Safety
7.0
Founder Strength
2.9
Monetization Maturity
1.0
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 1.46★ across 37 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: last update 218d 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 = $9K-$16K.
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:
| Below-average rating (1.5★)METRIC | −$1,500 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Single-language (English only)METRIC | −$400 | |
| Pre-traction phase (37 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.
App Specs
🔐 Own this app? Claim & verify MRR →💾 21 MB🔞 4+📱 iOS 12.0+🔖 v2.4.4🔄 updated 7mo ago🌐 EN📂 Business💰 Paid🚀 Launched 2020 (6y old)
📝 About this app
主要功能簡介如下：
一、店家查詢：
◇ 從店家的角度出發
◇ 將所有功能彙整至此
二、鋪貨專區：
◇ 可修改店家基本資料
◇ 回傳各品項鋪貨狀態
◇ 支援無網路操作
三、合約專區：
◇ 可申請新合約、提早解約
◇ 可查看合約申請進度
◇ 需連網操作
四、活動執行：
◇ 依活動類型分類
◇ 回傳各活動參與資訊
◇ 支援無網路操作
五、上傳紀錄：
◇ 觀看活動的上傳狀態或錯誤資訊
◇ 自動清除已下架的活動紀錄
一、店家查詢：
◇ 從店家的角度出發
◇ 將所有功能彙整至此
二、鋪貨專區：
◇ 可修改店家基本資料
◇ 回傳各品項鋪貨狀態
◇ 支援無網路操作
三、合約專區：
◇ 可申請新合約、提早解約
◇ 可查看合約申請進度
◇ 需連網操作
四、活動執行：
◇ 依活動類型分類
◇ 回傳各活動參與資訊
◇ 支援無網路操作
五、上傳紀錄：
◇ 觀看活動的上傳狀態或錯誤資訊
◇ 自動清除已下架的活動紀錄
📅
What Worked™ · Development Pipeline
3 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 →
2025-10
⭐
Rating ↑ 1.00 → 1.36 (improved 0.36★)
2025-07
📈
Crossed 10 ratings — social-proof flywheel kicking in
2024-10
🚀
First tracked snapshot — initial data captured
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 1.45946★ | 37 | 1.45946★ this version |
| 🇬🇧 GB | 1.36364★ | 11 | 1.36364★ this version |
| 🇩🇪 DE | 1.72727★ | 11 | 1.72727★ this version |
| 🇫🇷 FR | 3.75★ | 4 | 3.75★ this version |
| 🇯🇵 JP | 3.66667★ | 6 | 3.66667★ this version |
| 🇨🇦 CA | 2.5★ | 6 | 2.5★ this version |
| 🇦🇺 AU | 1.375★ | 8 | 1.375★ this version |
| 🇧🇷 BR | 3★ | 8 | 3★ this version |
| 🇮🇳 IN | 1★ | 1 | 1★ this version |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- eSign
- Developer
- Perfect.tw
- Bundle ID
- com.battaiwan.BAT-Signature
- App Store URL
- Open in App Store
- Category
- Business
- Content rating
- 4+
- Languages
- EN
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
- $86/mo
- Top-grossing rank
- Outside top 100 in US Business
- 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 Reviews12 latest · avg 1.33★ · 8.3% 5★ · 91.7% 1★
5★1 (8%)
4★0 (0%)
3★0 (0%)
2★0 (0%)
1★11 (92%)
+1 ratings/week
Praise: best ×1Complaints: bug ×1 scam ×1
Top positive
★☆☆☆☆ Garbage
Not in English, requires login, can’t translate anything, garbage app, delete it from the store…
★☆☆☆☆ Why is it in a another language
I’m American and this is Chinese I can’t read Chinese please make a language changer at the bottem…
Top negative
★☆☆☆☆ Idk I can’t read it
I don’t speak Chinese and I’m trying to download e sign for the delta exploits because of the bug they have rn so uhh yea…
★☆☆☆☆ Absolutely garbage
Bro I’m American and can’t read Chinese…
📈Ratings growth37 ratings+54% lifetimeShow 3-year history estimate ▾
Tracked (14 weeks) Pre-tracking estimate (36 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.
Similar apps in Business
Full revenue analysis
Read the article-style breakdown for eSign: category rank, percentile, growth signal, comparable apps, and how the forecast is calibrated against verified-MRR anchors in this niche.