# Math Game | brain trainer vs Oppi

The clearest difference is price: Oppi at Free against Math Game | brain trainer's $0.99. Oppi also leads on update cadence (every 5 days vs every 15 months). Math Game | brain trainer's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Oppi is free to download; Math Game | brain trainer costs $0.99 up front. Math Game | brain trainer sells 6 one-off in-app purchases and Oppi sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Math Game | brain trainer ships an update every 15 months, Oppi every 5 days. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Math Game | brain trainer | Oppi |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 5 days** |
| Size | 16 MB | 93 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mehmet Kocabas](https://appshunter.io/developer/1042694619) | [Middle Milk Studio AB](https://appshunter.io/developer/1734689386) |

## What reviewers say

### Math Game | brain trainer

[App page](https://appshunter.io/ios/app/math-game-brain-trainer/id1168597148)

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Money | $1.99 | one-time |
| 50 Money | $5.99 | one-time |
| 100 Money | $7.99 | one-time |
| Remove Ads | $9.99 | one-time |
| 250 Money | $9.99 | one-time |
| 500 Money | $14.99 | one-time |


### Oppi

[App page](https://appshunter.io/ios/app/oppi-homework-without-nagging/id6478979252)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Oppi+ Månadsvis | $4.99 | per month |
| Oppi+ Årlig | $39.99 | per year |


## Frequently asked questions

### Is Math Game | brain trainer free?

Math Game | brain trainer costs $0.99, and also offers in-app purchases.

### Is Oppi free?

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

### Do Math Game | brain trainer or Oppi have ads?

Neither Math Game | brain trainer nor Oppi shows ads.

### Which is updated more often, Math Game | brain trainer or Oppi?

Math Game | brain trainer ships an update every 15 months, and Oppi every 5 days. Most recently, Math Game | brain trainer was updated on October 13, 2026 and Oppi on October 10, 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.*