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58
BU Score
Solid

Sumdog

4.2 ✍️ Editor
✍️ BU Analytics Review

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.

Our BU Score puts it at 58Solid (established niche player). For a News app, that means established niche player.

Track changes month-over-month in the Performance section below — live snapshot history and revenue forecast included.

creator

📊 Performance Tracking LIVE

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idle
0%
Rating
Reviews
Forecast Revenue / mo
Snapshots tracked
0
since first record
Range:

💰 Forecast Revenue / mo

MODEL
Revenue 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

LIVE
Cumulative review count from first BU snapshot. Each point = a tracked update.
💚Sentiment Over Time↑ green = positive · ↓ red = negative
Aug 24
Nov 24
Mar 25
Jun 25

⭐ Rating Trend

LIVE
Average rating evolution. Updates with each new review batch.

🗓️ Snapshot Timeline

HISTORY
Each bar shows a tracked update and the metric delta from the previous snapshot.
App Specs
🔐 Own this app? Claim & verify MRR →
💾 109 MB🔞 4+📱 iOS 13.0+🔖 v91.1.0🔄 updated 1w ago🌐 EN, CY📂 News💰 Free🚀 Launched 2016 (9y old)

📝 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. From this point, our sophisticated adaptive algorithms create a personalized learning journey based for each child based on their progress.

- Over 30 engaging single and multiplayer games
- Thousands of standards-aligned questions designed to consolidate and extend in-class learning
- Virtual coin rewards to motivate children to learn
- A 3D avatar, house and garden for children to personalize

“I never thought an online program could do so much in such short bursts of time.” D. Hendershot, West Elementary, Kansas, US.

Account set-up
If your child has an account from school:
Your child can log in with their details from their school. They’ll then be able to access any work that has been set by their teachers.

If your child does not have an account from school:
In the Sumdog app, parents can purchase a family plan covering up to 3 children. Once you’ve done this, you’ll create logins for your child to use the app. This gives them access to Sumdog’s games, and thousands of math, spelling and grammar questions.

Subscription details:
Your subscription starts with a free trial period and then changes to a subscription from $8.99 per month. No commitment period. Download the app and get started today!

The amount will be deducted automatically every month via your Apple account. As long as the "Automatic renewal" feature is not disabled via the Apple account settings on your device, the subscription will automatically renew every month no later than 24 hours before your subscription period expires.

Sumdog Terms: https://learn.sumdog.com/en-us/about-us/terms-of-use
Sumdog Privacy: https://learn.sumdog.com/en-us/about-us/privacy-policy

🆕 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
learn.sumdog.com
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

Name
Not found
X / Twitter
Not found
LinkedIn
https://www.linkedin.com/company/sumdog-ltd
GitHub
Not found
X followers
Not found
Public statements
Not found

Funding

Total raised
Not found
Last round
Not found
Investors
Not found
Crunchbase
Not found
AngelList
Not found

Press & Links

Articles found
Not found
Listed on
Not found
Blog
https://learn.sumdog.com/en-gb/blog
Press / News
Not found
📈Ratings growth1,553 ratings+942% lifetimeShow 3-year history estimate ▾Apr 2020May 2023May 2026
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.
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