# Panels vs Subtraction App

The clearest difference is in-app purchases: Panels at none against Subtraction App's 1. Subtraction App's advantage is update cadence (every 2 weeks vs every 20 months). On price, ads, device support and iOS requirement there is nothing between them.

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

Panels ships an update every 20 months, Subtraction App every 2 weeks. The most recent releases landed on November 2, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | Panels | Subtraction App |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 20 months | **Every 2 weeks** |
| Monetization | Ad-supported | — |
| Size | 5 MB | 26 MB |
| Requires iOS | 15.0 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TATSUYA MONOI](https://appshunter.io/developer/1079433667) | [Foodmenu.world Inc.](https://appshunter.io/developer/1438351063) |

## What reviewers say

### Panels

[App page](https://appshunter.io/ios/app/panels/id1079433668)

Test your memory with this colorful and cute game. Memorize the sequence of illuminated panels and then tap them in the correct order to advance through stages featuring animal motifs. See if you can master all the levels.

**Highlights:** Memorize panel order, Tap correct panels, Colorful animal stages, Progressive difficulty, Cute visual design

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Panels free?

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

### Is Subtraction App free?

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

### Do Panels or Subtraction App have ads?

Both Panels and Subtraction App show ads.

### Which is updated more often, Panels or Subtraction App?

Panels ships an update every 20 months, and Subtraction App every 2 weeks. Most recently, Panels was updated on November 2, 2026 and Subtraction App on November 12, 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.*