26
Quality Score
Niche
易博通eSender
Low confidence
✍️ bumetric analysis
“
易博通eSender is an iOS app from Multibyte Info Technology Limited in the Social Networking category, currently rated 1.8★ across 52 ratings. Initial signal reads as mixed reviews: supporters praise core features while critics cite stability and value gaps.
Quality Score is 26: Niche (micro-niche or pre-traction stage). For a Social Networking 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.
💰 Monthly revenue · now vs forecast
● Right now
$500
per month
→
12-mo forecast
$437 – $1575
per month
→
24-mo forecast
$405 – $3644
per month
INDIE 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
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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 |
| ⚙Social Networking complexity ×1.70 | +$35K |
| ⚙6.8y maintenance × ~1-person team | +$40K |
Total estimate$125K
🛠 Estimated tech stack
🍎
Native iOS (Swift / UIKit)
Medium confidence · 70%
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
| 📦App bundle size | 38 MB |
| 🏷Category context | Social Networking |
| 📦Small-mid iOS bundle | → Native Swift / UIKit (pre-2020 era) |
💀 Maintenance status
Active
15%
Last shipped 2026-04-29 · 25 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
| 📅25 days since last update | Active development |
| 👥Small user base (52 ratings) + 6.8y old | +10% (solo-project pattern) |
VerdictActive
🔬
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 · 22/100INDIE TIERFREE (NO MONETIZATION)limited signalRevenue Strength
2.7
Product Quality
0.9
Market Position
2.0
Growth Velocity
5.0
Defensibility
3.7
Operational Safety
0.0
Founder Strength
3.0
Monetization Maturity
0.5
- 💰 Revenue: Marginal — $200 - $1250/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 1.79★ across 52 reviews — weak — significant quality concerns.
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ Risk: High — 7.1% refund mentions, scam/fraud mentions detected.
🎯 For competitors: Vulnerable. Quality drift + slow updates create a clear opening for a fresh competitor with active dev cadence.
💵 For acquirers: Estimated asking range 12-22× monthly = $6K-$11K. Discount applied for operational risk..
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:
| bugsREVIEW | −$1,800 | |
| Below-average rating (1.8★)METRIC | −$1,500 | |
| Established app (6y old)METRIC | +$800 | |
| Ad-supported / freemiumMETRIC | +$600 | |
| Pre-traction phase (52 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 →💾 38 MB🔞 4+📱 iOS 15.6+🔖 v3.1.1🔄 updated 3w ago🌐 EN, RU, ZH, ZH📂 Social Networking💰 Free🚀 Launched 2019 (6y old)
📝 About this app
Thank you for your continued support of eSender services, now the 3.0 version has been fully upgraded!
More stable calls and comprehensive services!
New experience with new interface!
Security system upgraded is protect the account!
Please update now to experience the new "eSender"!
no SIM card is required, and you can immediately receive SMS and voice messages in the App;
More stable calls and comprehensive services!
New experience with new interface!
Security system upgraded is protect the account!
Please update now to experience the new "eSender"!
no SIM card is required, and you can immediately receive SMS and voice messages in the App;
🆕 What's New · v3.1.1
fix some bug & Compatible with iOS 26
📅
What Worked™ · Development Pipeline
6 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 →
2026-03
⭐
Rating ↑ 1.52 → 5.00 (improved 3.48★)
2022-10
📈
Crossed 10 ratings — social-proof flywheel kicking in
2021-01
⭐
Rating ↑ 2.00 → 2.60 (improved 0.60★)
2020-08
⭐
Rating ↓ 2.33 → 2.00 (dropped 0.33★)
2019-12
⭐
Rating ↓ 3.00 → 2.33 (dropped 0.67★)
2019-09
🚀
First tracked snapshot — initial data captured
🗣
Voice of Customer
Based on 42 reviews across 4 markets● 24% positive · ● 57% neutral · ● 19% negative · Rating drift: -0.27★ (declining — recent 50: 1.52★ vs lifetime: 1.79★)
Sentiment by country (−1 to +1)
🇦🇺 AU
+0.47
🇨🇦 CA
+0.34
🇺🇸 US
+0.03
🇬🇧 GB
-0.15
Top praise themes
— no recurring praise themes
Top complaint themes
phone number ×3 money ×6 iphone ×6 scam ×5 work ×5 pay ×5 login ×4 receive ×4
Risk signals
Refund mentions: 7.1% Fraud / scam mentions: 9.5%
🧪
Tech & Domain Intel — multi-byte.com
- Tech stack
- Google Workspace
Derived from public RDAP + DNS TXT records (no scraping, no login).
🌍
Multi-Country Performance
Available in 9 of 9 monitored markets| Market | Rating | Reviews | Current version |
|---|---|---|---|
| 🇺🇸 US | 1.78846★ | 52 | 1.78846★ this version |
| 🇬🇧 GB | 1.5★ | 8 | 1.5★ this version |
| 🇩🇪 DE | 0★ | 0 | — |
| 🇫🇷 FR | 0★ | 0 | — |
| 🇯🇵 JP | 2.14286★ | 7 | 2.14286★ this version |
| 🇨🇦 CA | 2.2★ | 10 | 2.2★ this version |
| 🇦🇺 AU | 1.33333★ | 3 | 1.33333★ this version |
| 🇧🇷 BR | 5★ | 1 | 5★ this version |
| 🇮🇳 IN | 0★ | 0 | — |
🔔
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Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- 易博通eSender
- Developer
- Multibyte Info Technology Limited
- Bundle ID
- com.multibyte.esender
- App Store URL
- Open in App Store
- Category
- Social Networking
- Content rating
- 4+
- Languages
- EN, RU, ZH, ZH
Company
- Website
- www.multi-byte.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
- $62/mo
- Top-grossing rank
- Outside top 100 in US Social Networking
- 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 Reviews29 latest · avg 1.52★ · 6.9% 5★ · 79.3% 1★
5★2 (7%)
4★0 (0%)
3★3 (10%)
2★1 (3%)
1★23 (79%)
+1 ratings/week
Praise: amazing ×1Complaints: scam ×2 bug ×2 refund ×1
Top positive
★★★★★ A working mainland CN number
I play a lot of Chinese games and when I need a phone number to verify or send merch, this has been a lifesaver so I don’t have to bother others! Pretty cheap too considering all the uses…
★★★★★ please support callkit
please support callkit on american app store, we need it a lot, thanks.…
Top negative
★☆☆☆☆ Avoid at all cost
What a scam… refuse to refund even though I have provided proof of the transaction from my bank..…
★☆☆☆☆ bad app
cant login and cant receive any sms…
📈Ratings growth52 ratings+5100% lifetimeShow 3-year history estimate ▾
Tracked (30 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 Social Networking
About this analysis
Why low confidence: only 52 ratings · no founder-verified revenue (model estimate only) · revenue figure is directional only.
❓ Frequently Asked Questions
8 answers · auto-generated from this app's public dataHow much does 易博通eSender make per month?▴
Based on our ML-calibrated revenue forecast, 易博通eSender earns approximately $62/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 易博通eSender profitable?▴
With estimated build cost $125K and monthly revenue $62, 易博通eSender 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.
What apps are like 易博通eSender?▴
Browse the full Social Networking 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 易博通eSender built with?▴
Our heuristic places 易博通eSender on the Native iOS (Swift / UIKit) stack (Medium confidence, 70%). Signals: app bundle size, category context, store-description markers, release-date era. We don't disassemble binaries. Alternative possibilities: Flutter.
Is 易博通eSender still actively maintained?▴
Maintenance status: Active (15% abandonment risk). Last shipped version was 25 days ago. The risk score combines time-since-last-update with Editor's Choice / curated featuring + user-base maturity adjustments.
When was 易博通eSender last updated?▴
易博通eSender last shipped a new version on 2026-04-29 — less than a month ago. This is the date Apple / Google last accepted a new build, not a content-only push.
Who makes 易博通eSender?▴
易博通eSender is published by Multibyte Info Technology Limited 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 易博通eSender's BU Score?▴
易博通eSender has a BU Score of 26/100 (Niche). The score combines App Store rating, ratings count, monetization model and revenue signals calibrated against founder-verified MRR anchors. See the BU Score formula.