# Add Sub K vs Math Bridges

The clearest difference is rating: Math Bridges at 4.4 against Add Sub K's 3.0. Math Bridges also leads on update cadence (monthly vs every 10 months) and ratings volume (2.5K vs 1). Add Sub K's advantage is in-app purchases (none vs 2) and review sentiment (100% vs 66%). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Math Bridges sells 2 in-app purchases, starting at $59.99 per year. Add Sub K asks for nothing beyond the download.

Math Bridges holds the better App Store score, 4.4 against 3.0. That said, the two scores are not equally well evidenced: Math Bridges has 2.5K ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Add Sub K's written reviews are positive against 66% of Math Bridges's, so the app with the better star average is not the one people write more warmly about.

Add Sub K ships an update every 10 months, Math Bridges monthly. The most recent releases landed on September 30, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Add Sub K | Math Bridges |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/add-sub-k-1/id486199509/reviews) | **[4.4 (2.5K ratings)](https://appshunter.io/ios/app/math-bridges-adding-numbers/id1199323483/reviews)** |
| Number of ratings | 1 | **2.5K** |
| Positive reviews | **100.0% of reviews** | 65.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Size | 35 MB | 129 MB |
| Requires iOS | **10.0** | 11.2 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Classroom Focused Software](https://appshunter.io/developer/406741679) | [Makkajai Edu Tech Private Limited](https://appshunter.io/developer/828715957) |

## What reviewers say

### Add Sub K

[App page](https://appshunter.io/ios/app/add-sub-k-1/id486199509)

This app helps young learners practice addition and subtraction skills. It offers customizable problem sets and visual aids like counters and 10-frames to support understanding.

**Highlights:** Addition facts up to 10, Subtraction facts up to 20, Customizable addends, Vertical or horizontal problems, Visual aids (objects, counters, 10-frame), Marker board for solving

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Bridges

[App page](https://appshunter.io/ios/app/math-bridges-adding-numbers/id1199323483)

This app offers engaging math games for children to learn counting, addition, and subtraction. It adapts to a child's grade level, providing fun gameplay to build confidence and improve schoolwork. Kids can practice math strategies at their own pace.

**Highlights:** Addition games, Subtraction games, Number counting games, Adaptive difficulty by grade level, Learn new math strategies, Fix bridges by solving problems

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Genius Annual Subscription | $59.99 | per year |
| Unlock Full Version | $9.99 | one-time |

**What reviewers like**

- 👍 Helpful for learning numbers and math
- 🚀 Great for education and brain development
- 😊 Kids love the game

**What reviewers complain about**

- 🤑 Expensive subscription model
- 🤔 Confusing end-level goals and instructions
- 🥱 Too easy and boring for some users

**Reported bugs**

- Difficulty canceling subscription
- Incompatibility issues on some devices

**Requested features**

- Offline mode for use on airplanes
- More challenging levels and content


## Frequently asked questions

### Is Add Sub K free?

Add Sub K is free to download, with no in-app purchases.

### Is Math Bridges free?

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

### Which has better reviews, Add Sub K or Math Bridges?

Math Bridges is rated higher. Add Sub K averages 3.0 out of 5 from 1 ratings, while Math Bridges averages 4.4 from 2.5K ratings.

### Do Add Sub K or Math Bridges have ads?

Neither Add Sub K nor Math Bridges shows ads.

### Which is updated more often, Add Sub K or Math Bridges?

Add Sub K ships an update every 10 months, and Math Bridges monthly. Most recently, Add Sub K was updated on September 30, 2026 and Math Bridges on October 14, 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.*