# Subtraction App vs Smart Match 3D

The clearest difference is in-app purchases: Smart Match 3D at none against Subtraction App's 1. Smart Match 3D also leads on update cadence (daily vs every 2 weeks) and iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Subtraction App sells 1 in-app purchase, starting at $1.99 per month. Smart Match 3D asks for nothing beyond the download.

Subtraction App ships an update every 2 weeks, Smart Match 3D daily. The most recent releases landed on October 11, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Subtraction App | Smart Match 3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 weeks | **Daily** |
| Size | 26 MB | 108 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) | [华 印](https://appshunter.io/developer/705079055) |

## What reviewers say

### Subtraction App

[App page](https://appshunter.io/ios/app/subtraction-app/id1622934481)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $1.99 | per month |


### Smart Match 3D

[App page](https://appshunter.io/ios/app/smart-match-3d/id6740158657)

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction App free?

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

### Is Smart Match 3D free?

Smart Match 3D is free to download, with no in-app purchases.

### Do Subtraction App or Smart Match 3D have ads?

Both Subtraction App and Smart Match 3D show ads.

### Which is updated more often, Subtraction App or Smart Match 3D?

Subtraction App ships an update every 2 weeks, and Smart Match 3D daily. Most recently, Subtraction App was updated on October 11, 2026 and Smart Match 3D on October 5, 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.*