# Math Rings vs Sum

The clearest difference is rating: Sum at 5.0 against Math Rings's 4.2. Sum also leads on update cadence (every 3 days vs every 20 months). Math Rings's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Sum sells 1 in-app purchase, starting at $1.99 per month. Math Rings asks for nothing beyond the download.

Sum holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: Math Rings has 5 ratings behind it against 1, so its average is the more settled of the two.

Math Rings ships an update every 20 months, Sum every 3 days. The most recent releases landed on October 16, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Math Rings | Sum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (5 ratings)](https://appshunter.io/ios/app/math-rings/id491846200/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-math-puzzle-brain-game/id6450458099/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 20 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 20 MB | 20 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Rajinder Singh](https://appshunter.io/developer/481138169) | [Whimseed Studio Private Limited](https://appshunter.io/developer/1668117901) |

## 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

[App page](https://appshunter.io/ios/app/sum-math-puzzle-brain-game/id6450458099)

This game challenges you to find sums from a grid of numbers before time runs out. It offers multiple modes, from fast-paced challenges to relaxed untimed play, and helps improve mental agility and logic skills.

**Highlights:** Timed addition challenges, Four distinct game modes, Offline play supported, Compete with friends, Detailed progress statistics, Sleek user interface

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $1.99 | per month |


## Frequently asked questions

### Is Math Rings free?

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

### Is Sum free?

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

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

Sum is rated higher. Math Rings averages 4.2 out of 5 from 5 ratings, while Sum averages 5.0 from 1 ratings.

### Do Math Rings or Sum have ads?

Sum shows ads; Math Rings does not.

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

Math Rings ships an update every 20 months, and Sum every 3 days. Most recently, Math Rings was updated on October 16, 2026 and Sum on October 13, 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.*