# MEGA Subtraction 1 vs Sonic Math

The clearest difference is ads: MEGA Subtraction 1 at none against Sonic Math's shown. MEGA Subtraction 1 also leads on iOS requirement (6.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. MEGA Subtraction 1 sells 10 one-off in-app purchases and Sonic Math sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

MEGA Subtraction 1 ships an update every 2 months, Sonic Math every 5 weeks. The most recent releases landed on October 18, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | MEGA Subtraction 1 | Sonic Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 5 weeks** |
| Size | 42 MB | 37 MB |
| Requires iOS | **6.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stas Gurevich](https://appshunter.io/developer/570553157) | [MASAKI CHIBA](https://appshunter.io/developer/1890488277) |

## What reviewers say

### MEGA Subtraction 1

[App page](https://appshunter.io/ios/app/mega-subtraction-1-100-free/id898754237)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Settings | $0.99 | one-time |
| History | $0.99 | one-time |
| Collection 1 | $0.99 | one-time |
| Collection 2 | $0.99 | one-time |
| Collection 3 | $0.99 | one-time |
| Collection 4 | $0.99 | one-time |
| Collection 5 | $0.99 | one-time |
| Collection 6 | $0.99 | one-time |
| All collections | $3.99 | one-time |
| Mega Pack | $4.99 | one-time |


### Sonic Math

[App page](https://appshunter.io/ios/app/sonic-math-mental-math-drill/id6765611618)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Unlock | $1.99 | one-time |


## Frequently asked questions

### Is MEGA Subtraction 1 free?

MEGA Subtraction 1 is free to download, with in-app purchases available.

### Is Sonic Math free?

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

### Do MEGA Subtraction 1 or Sonic Math have ads?

Sonic Math shows ads; MEGA Subtraction 1 does not.

### Which is updated more often, MEGA Subtraction 1 or Sonic Math?

MEGA Subtraction 1 ships an update every 2 months, and Sonic Math every 5 weeks. Most recently, MEGA Subtraction 1 was updated on October 18, 2026 and Sonic Math on October 25, 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.*