Sumdog
58
Quality Score
Solid
Sumdog
Medium confidence
✍️ bumetric analysis
“
Sumdog is an iOS app from Sumdog Ltd. in the News category, currently rated 4.2★ across 1,553 ratings. Initial signal reads as mostly critical sentiment so far: users flag rough edges and unmet expectations.
Quality Score is 58: Solid (established niche player). For a News 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
$811
per month
→
12-mo forecast
$709 – $2556
per month
→
24-mo forecast
$657 – $5912
per month
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
Loading…
Rating
—
Reviews
—
Forecast Revenue / mo
—
Snapshots tracked
0
since first record
🤖Also on Android
$888/mo · 6K ratings · 4.1★
View →
ONE-TIME · BUILD
💰 Estimated build cost
$90K
↳ What it cost to build · not monthly revenue
Likely range $70K – $120K
$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 |
| 📦 Asset bundle (109 MB) | +$23K |
| ⚙ News complexity ×1.20 | +$14K |
Total estimate
$90K
ONE-TIME · EXIT VALUE
💵 Estimated acquisition value
$10K
↳ What it would sell for · not monthly revenue
Marketplace range $10K – $15K · 14× MRR multiple
💸
~0.1× build cost (under-water)
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 |
| 🏷 News category multiple | -5% |
Final multiple
14× MRR
👥 Estimated audience size
185K
Lifetime downloads (US-equivalent)
Monthly active
27K
Daily active
12K
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
| 📲 News engagement | ~120 installs / rating |
| 🔁 News D30 retention | 15% |
| 📍 DAU / MAU stickiness | 0.45 |
DAU / MAU
44% sticky
🔬
How we forecast this revenue
LOW CONFIDENCEBaseline
$811/mo · ML-estimated from 234 triggers
Growth rate
+6.0% MoM · INDIE tier baseline (compound monthly)
6 months
$690 – $1.6K
12 months
$709 – $2.6K
24 months
$657 – $5.9K
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
Early-stage solo · 43/100INDIE TIERexpected for tierGrowth Velocity
5.0
Founder Strength
3.0
Product Quality
7.5
Revenue Strength
2.9
Monetization Maturity
1.0
Defensibility
4.4
Market Position
0.3
Operational Safety
10.0
- 💰 Revenue: Marginal — $324 - $2028/mo · INDIE tier · medium confidence, trajectory unclear.
- ⭐ Quality: 4.17★ across 1,553 reviews — strong (top 10%).
- 📍 Market: Not yet charting in any of the 9 monitored markets.
- 📈 Growth: Insufficient signal to assess trajectory.
- ⚠️ 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 = $14K-$25K.
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 7 of 7 triggers
Our ML model uses 200+ signals from public data. These are the most influential for this app:
| bugsREVIEW | −$1,800 | |
| 5 starREVIEW | +$1,800 | |
| Low install base (1,553 ratings)METRIC | +$1,500 | |
| Mature app (9y old)METRIC | +$1,500 | |
| slowREVIEW | −$1,200 | |
| Good rating (4.2★)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.
🆕 What's New · v91.1.0
As always, we are always making changes and improvements to Sumdog. This version adds support for internationalization and includes a few minor fixes in this area. To make sure you don't miss out, just keep your Updates turned on.
Profile & Insights
Everything we know — and don't — about this app and its company.
Identification
- App name
- Sumdog
- Developer
- Sumdog Ltd.
- Bundle ID
- com.sumdog.3D
- App Store URL
- Open in App Store
- Category
- News
- Content rating
- 4+
- Languages
- EN, CY
Company
- Website
- Not found
- Tagline
- Evidence-based maths fluency practice
- Description
- Helping children aged 5-14 enjoy learning, build confidence and make progress in maths and spelling. Discover Sumdog.
- 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
- $811/mo
- Top-grossing rank
- Outside top 100 in US News
- 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
- facebook facebook.com/SumdogLearning · instagram instagram.com/sumdogltd · linkedin linkedin.com/company/sumdog-ltd · tiktok tiktok.com/@sumdog_learning · youtube youtube.com/@Sumdog-Learning
- support@sumdog.com
- Phone
- 0131 226 1511
- Contact page
- learn.sumdog.com/en-gb/contact-us
- About page
- learn.sumdog.com/en-gb/who-we-are/abo…
📈Ratings growth1,553 ratings+935% lifetimeShow 3-year history estimate ▾
Tracked (59 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.
📝 About this app
Make learning fun with Sumdog!
Sumdog delivers highly engaging personalized practice for math and spelling, both in-school and at home. Suitable for children aged 5-14, our adaptive learning games and online rewards motivate children to learn and encourages regular practice.
When children first use Sumdog, we run a short diagnostic test to provide a snapshot of their learning and areas for development. Our adaptive learning engine then uses the outcomes of the diagnostic to ensure each child’s starting point on Sumdog is at the right level.… View full description on the official store →
Sumdog delivers highly engaging personalized practice for math and spelling, both in-school and at home. Suitable for children aged 5-14, our adaptive learning games and online rewards motivate children to learn and encourages regular practice.
When children first use Sumdog, we run a short diagnostic test to provide a snapshot of their learning and areas for development. Our adaptive learning engine then uses the outcomes of the diagnostic to ensure each child’s starting point on Sumdog is at the right level.… View full description on the official store →
App Specs
🔐 Own this app? Claim & verify MRR →💾 109 MB🔞 4+📱 iOS 13.0+🔖 v91.1.0🔄 updated 0d ago🌐 EN, CY📂 News💰 Free
📅
What Worked™ · Development Pipeline
11 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
🔄
Monetization changed: freemium → free
2026-03
📈
Crossed 500 ratings — social-proof flywheel kicking in
2019-09
📈
Crossed 100 ratings — social-proof flywheel kicking in
2018-10
📈
Crossed 50 ratings — social-proof flywheel kicking in
2018-02
📈
Crossed 10 ratings — social-proof flywheel kicking in
2018-01
⭐
Rating ↓ 3.40 → 3.00 (dropped 0.40★)
2017-11
⭐
Rating ↑ 3.00 → 3.40 (improved 0.40★)
2017-04
⭐
Rating ↓ 3.67 → 3.00 (dropped 0.67★)
2017-03
⭐
Rating ↑ 3.00 → 3.67 (improved 0.67★)
2017-01
⭐
Rating ↑ 1.00 → 3.00 (improved 2.00★)
2016-11
🚀
First tracked snapshot — initial data captured
🔔
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📝 Description
95
BU Score · Transcendent
Full revenue analysis
Read the article-style breakdown for Sumdog: 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: 1,553 ratings · no founder-verified revenue (model estimate only).
❓ Frequently Asked Questions
4 answers · auto-generated from this app's public dataHow much does Sumdog make per month?▴
Based on our ML-calibrated revenue forecast, Sumdog earns approximately $811/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 Sumdog?▴
Browse the full News 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 Sumdog?▴
Sumdog is published by Sumdog Ltd. 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 Sumdog's BU Score?▴
Sumdog has a BU Score of 58/100 (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.