# Math Masters Jr. vs Negative Numbers

The clearest difference is ads: Math Masters Jr. at none against Negative Numbers's shown. Math Masters Jr. also leads on iOS requirement (15.0 vs 17.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Math Masters Jr. sells 11 in-app purchases, starting at $0.99 per month and Negative Numbers sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Math Masters Jr. | Negative Numbers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 40 MB | 12 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SlimStampen B.V.](https://appshunter.io/developer/1717406198) | [Chaleepa Mallawa](https://appshunter.io/developer/1359729160) |

## What reviewers say

### Math Masters Jr.

[App page](https://appshunter.io/ios/app/math-masters-jr/id6472655106)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription Grade 4 | $0.99 | per month |
| Monthly Subscription Grade 3 | $0.99 | per month |
| Month Subscription All Grades | $3.99 | per month |
| Yearly Subscription Grade 2 | $6.99 | per year |
| Yearly Subscription Grade 4 | $6.99 | per year |
| Yearly Subscription Grade 3 | $7.99 | per year |
| Yearly Subscription all Grades | $14.99 | per year |
| Unlock Grade 2 Forever | $9.99 | one-time |
| Unlock Grade 3 Forever | $9.99 | one-time |
| Unlock Grade 4 Forever | $9.99 | one-time |
| Lifetime, all Grades | $24.99 | one-time |


### Negative Numbers

[App page](https://appshunter.io/ios/app/negative-numbers-math-learn/id6794265060)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Negative Numbers Pro | $4.99 | one-time |


## Frequently asked questions

### Is Math Masters Jr. free?

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

### Is Negative Numbers free?

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

### Do Math Masters Jr. or Negative Numbers have ads?

Negative Numbers shows ads; Math Masters Jr. does not.

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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.*