# Sumdog vs Polymath

The clearest difference is rating: Polymath at 5.0 against Sumdog's 4.2. Polymath also leads on review sentiment (100% vs 64%). Sumdog's advantage is ads (none vs shown) and ratings volume (1.6K vs 2). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Sumdog sells 1 in-app purchase, starting at $8.99 per month and Polymath sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Polymath holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Sumdog has 1.6K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 64% of Sumdog's written reviews are positive against 100% of Polymath's.

Sumdog ships an update every 2 months, Polymath every 4 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Sumdog | Polymath |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (1.6K ratings)](https://appshunter.io/ios/app/sumdog/id1145809959/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/polymath-fun-maths-learning/id1606244106/reviews)** |
| Number of ratings | **1.6K** | 2 |
| Positive reviews | 63.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 135 MB | 29 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sumdog Ltd.](https://appshunter.io/developer/644331332) | [Celadon AI Limited](https://appshunter.io/developer/1560359367) |

## What reviewers say

### Sumdog

[App page](https://appshunter.io/ios/app/sumdog/id1145809959)

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.

**Highlights:** Personalized adaptive learning, Engaging single and multiplayer games, Thousands of standards-aligned questions, Virtual coin rewards system, 3D avatar and house personalization, Diagnostic assessment

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Family Membership | $8.99 | per month |

**What reviewers like**

- 🎮 Fun and engaging games
- 🏆 Competitive leaderboards
- 🏠 Customizable avatar and house
- 📚 Helps with learning math, spelling, and grammar
- 🏫 Useful for schools and teachers

**What reviewers complain about**

- 🐛 Glitches and bugs
- 🕰️ Slow loading times
- 🔒 Limited access to premium features without subscription
- 🤖 Weird or unappealing 3D character models
- 🔍 Lack of instructions for some games

**Reported bugs**

- Flower Defenders game not working properly
- Goalz game not registering shots correctly
- Sudden logout issues
- Incompatibility with certain devices or browsers

**Requested features**

- 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


### Polymath

[App page](https://appshunter.io/ios/app/polymath-fun-maths-learning/id1606244106)

This app makes learning math fun for kids by allowing them to unlock worlds and interact with characters as they improve their skills. It offers personalized learning paths and weekly progress reports for parents.

**Highlights:** Personalized math learning algorithm, Unlockable game worlds, In-world character interaction, Weekly parent progress reports, Adaptive learning pace, Builds math confidence

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Polymath+1 | $4.99 | per month |


## Frequently asked questions

### Is Sumdog free?

Sumdog is free to download, with in-app purchases available.

### Is Polymath free?

Polymath is free to download, with in-app purchases available.

### Which has better reviews, Sumdog or Polymath?

Polymath is rated higher. Sumdog averages 4.2 out of 5 from 1.6K ratings, while Polymath averages 5.0 from 2 ratings.

### Do Sumdog or Polymath have ads?

Polymath shows ads; Sumdog does not.

### Which is updated more often, Sumdog or Polymath?

Sumdog ships an update every 2 months, and Polymath every 4 months. Most recently, Sumdog was updated on November 6, 2026 and Polymath on November 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*