Sumdog vs 1
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sumdog
This app offers personalized math and spelling practice for children aged 5-14 through engaging games and adaptive learning. It uses diagnostic tests to tailor learning journeys and provides virtual rewards to motivate students. Parents can set up accounts for home use or connect to school-assigned work.
- Personalized adaptive learning
- Engaging single and multiplayer games
- Thousands of standards-aligned questions
- Virtual coin rewards system
- 3D avatar and house personalization
- Diagnostic assessment
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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
1
This app offers children engaging, one-minute math tasks to build number confidence and fluency. Developed by award-winning math resource providers, it delivers targeted practice in short, fun bursts, perfect for home or classroom use.
- One-minute timed math tasks
- Builds number confidence and fluency
- Targeted practice in basic number skills
- Subitising practice
- Randomly generated questions
- Instant feedback and scoring
- Hint button for support
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1-Minute Maths is a free app that helps children build number confidence & fluency through engaging, 1-minute tasks. An accessible tool for children to enjoy at home or in class! Developed by White Rose Maths, award-winning providers in maths resources for the classroom and home, it delivers targeted practice in short, bite-sized chunks, perfect for learning and showing children how much fun they can have with basic number. Who is it for? The app is perfect for primary school pupils, individual one-minute tasks focus on adding and subtracting, multiplying and dividing – and on ‘Subitising’, the skill of instantly recognising the number of items in a group without counting. How does it work? Each task gives children engaging and targeted practice in basic number. The app includes a range of topics, with no specific starting point, so a child can begin wherever they like. By applying randomly generated questions every time, users learn the concept and not a sequence of answers. Once a task completes, questions are marked and presented on the screen, giving instant feedback on how they’ve done. It’s quick, simple to use, and most of all, FUN! 1-Minute Maths in action Choose a topic – there are 87 available. Answer a unique set of questions. If needed, use the ‘Hint’ button – it shows the question in a different but familiar way. When the 1-minute is up, answers appear on the screen in seconds. Keen for another task? Then simply go again! An easy-to-use app – and completely FREE! Parents and Carers: download and watch your child have fun while they continue learning maths at home! Teachers: use as a classroom teaching resource – the tasks align consistently with approaches used in the White Rose Maths schemes of learning! Top 10 reasons for using 1-Minute Maths! 1. Excellent number practice – and no distractions. 2. Enjoyable maths tasks children want to complete. 3. Instills basic number concepts during early years. 4. A clear, intuitive process that children pick up straight away. 5. No login or internet access needed. Just download and play! 6. A motivator - how many correct answers can they score? 7. Helpful hints for support when it’s needed. 8. Brilliant for building number confidence and fluency. 9. Random question generator means no repetition. 10. Completely FREE to download! With White Rose Maths, Everyone can do maths: everyone can!
Screenshots
Verdict
The clearest difference is in-app purchases: 1 at none against Sumdog's 1. 1 also leads on review sentiment (73% vs 64%). Sumdog's advantage is ratings volume (1.6K vs 5). On price, rating, update cadence and ads there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Sumdog sells 1 in-app purchase, starting at $8.99 per month. 1 asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 4.2 for Sumdog against 4.2 for 1. That said, the two scores are not equally well evidenced: Sumdog has 1.6K ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 64% of Sumdog's written reviews are positive against 73% of 1's.
Sumdog ships an update every 2 months, 1 every 3 months. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.
| Parameter | Sumdog | 1 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.2 (1.6K ratings) | 4.2 (5 ratings) |
| Positive reviews | 64.0% of reviews | 73.3% of reviews — better |
| Number of ratings | 1.6K — better | 5 |
| Update frequency | Every 2 months — better | Every 3 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 134 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Sumdog Ltd. | White Rose Education Services Limited |
Customer experience
Sumdog
1
Bugs and requests
Sumdog
Reported bugs
4 issues- Flower Defenders game not working properly
- Goalz game not registering shots correctly
- Sudden logout issues
- Incompatibility with certain devices or browsers
Requested features
5 requests- Add more free games
- Bring back old 2D games
- Allow interaction with house and garden items
- Improve multiplayer functionality
- Add more customization options for avatar and house
1
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sumdog
- Family Membership7 Days trial$8.991 Month
1
No in-app purchases







