# Subtraction Math Master vs Recyclo Game

The clearest difference is in-app purchases: Recyclo Game at none against Subtraction Math Master's 1. Recyclo Game also leads on update cadence (every 6 days vs every 18 months). Subtraction Math Master's advantage is iOS requirement (8.0 vs 13.0). On price, ads and device support there is nothing between them.

Both are free to download. Subtraction Math Master sells 1 one-off in-app purchase. Recyclo Game asks for nothing beyond the download.

Subtraction Math Master ships an update every 18 months, Recyclo Game every 6 days. The most recent releases landed on October 14, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Subtraction Math Master | Recyclo Game |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/recyclo-game/id6479239285/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 6 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 4 MB | 60 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Peter Li](https://appshunter.io/developer/424298074) | [EPAM SISTEMZ, IOOO](https://appshunter.io/developer/1493188449) |

## What reviewers say

### Subtraction Math Master

[App page](https://appshunter.io/ios/app/subtraction-math-master/id672670414)

Enhance your mental math skills with this game focused on 2-digit subtraction. It offers modes for quick challenges and unlimited practice, helping you reduce calculator reliance and boost cognitive function.

**Highlights:** Improve 2-digit mental subtraction, Timed challenges and unlimited practice modes, Track scores and statistics, Game Center Leaderboards & Achievements, Share scores with friends and family, Stylish and intuitive interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WORK MODE | $0.99 | one-time |


### Recyclo Game

[App page](https://appshunter.io/ios/app/recyclo-game/id6479239285)

Engage in three fun mini-games to learn waste identification and sorting. Turn your sorted trash into resources to craft unique recycled artifacts and showcase your environmental achievements.

**Highlights:** Waste identification and sorting mini-games, Crafting recycled artifacts, Artifact wallet for showcasing creations, Educational environmental lessons, Resource accumulation from sorted waste

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


## Frequently asked questions

### Is Subtraction Math Master free?

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

### Is Recyclo Game free?

Recyclo Game is free to download, with no in-app purchases.

### Do Subtraction Math Master or Recyclo Game have ads?

Neither Subtraction Math Master nor Recyclo Game shows ads.

### Which is updated more often, Subtraction Math Master or Recyclo Game?

Subtraction Math Master ships an update every 18 months, and Recyclo Game every 6 days. Most recently, Subtraction Math Master was updated on October 14, 2026 and Recyclo Game on October 22, 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.*