# Math Rings vs Sum Fun

The clearest difference is rating: Sum Fun at 4.9 against Math Rings's 4.2. Sum Fun also leads on update cadence (weekly vs every 20 months) and ratings volume (33 vs 5). Math Rings's advantage is ads (none vs shown) and monetization model (free vs ad-supported). On price, review sentiment, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Sum Fun holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Sum Fun has 33 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Math Rings ships an update every 20 months, Sum Fun weekly. The most recent releases landed on June 5, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Math Rings | Sum Fun |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/math-rings/id491846200/reviews) | **[4.9 (33 ratings)](https://appshunter.io/ios/app/sum-fun/id817544892/reviews)** |
| Number of ratings | 5 | **33** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Weekly** |
| Monetization | **Free** | Ad-supported |
| Size | 20 MB | 195 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Rajinder Singh](https://appshunter.io/developer/481138169) | [Greg Sharpe](https://appshunter.io/developer/817544895) |

## What reviewers say

### Math Rings

[App page](https://appshunter.io/ios/app/math-rings/id491846200)

This mathematics game presents puzzles with simple number equations arranged in a circular system. Players rearrange cells to solve equations, with solved rows turning green. Puzzles are rated based on completion speed.

**Highlights:** Simple number equations, Circular cell arrangement, Solve equations in multiple directions, 99 levels with unlimited puzzles, Star rating based on speed

**Features:** macOS Compatibility

**In-app purchases:** none


### Sum Fun

[App page](https://appshunter.io/ios/app/sum-fun/id817544892)

A unique number puzzle game that combines logic, numbers, and strategy. Enjoy endlessly replayable puzzles with creative board shapes and a brain-boosting gameplay experience. Play at your own pace with no time limits and challenge friends.

**Highlights:** Unique number puzzle gameplay, Variety of creative board shapes, Brain-boosting mental workout, No time limits for relaxed play, Challenge friends offline, Easy to play, fun to master

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Math Rings free?

Math Rings is free to download, with no in-app purchases.

### Is Sum Fun free?

Sum Fun is free to download, with no in-app purchases.

### Which has better reviews, Math Rings or Sum Fun?

Sum Fun is rated higher. Math Rings averages 4.2 out of 5 from 5 ratings, while Sum Fun averages 4.9 from 33 ratings.

### Do Math Rings or Sum Fun have ads?

Sum Fun shows ads; Math Rings does not.

### Which is updated more often, Math Rings or Sum Fun?

Math Rings ships an update every 20 months, and Sum Fun weekly. Most recently, Math Rings was updated on June 5, 2026 and Sum Fun on September 18, 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.*