# The Wrong Calculator vs ChessScope AI

The clearest difference is in-app purchases: The Wrong Calculator at none against ChessScope AI's 1. The Wrong Calculator also leads on update cadence (every 2 days vs every 6 days). ChessScope AI's advantage is iOS requirement (15.1 vs 18.5). On price, ads and device support there is nothing between them.

Both are free to download. ChessScope AI sells 1 in-app purchase, starting at $1.99 per month. The Wrong Calculator asks for nothing beyond the download.

The Wrong Calculator ships an update every 2 days, ChessScope AI every 6 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | The Wrong Calculator | ChessScope AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/the-wrong-calculator/id6752529432/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 6 days |
| Monetization | Free | — |
| Size | 6 MB | 40 MB |
| Requires iOS | 18.5 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Sameel Mawani](https://appshunter.io/developer/1839694206) | [Cedric Guegan](https://appshunter.io/developer/6774659858) |

## What reviewers say

### The Wrong Calculator

[App page](https://appshunter.io/ios/app/the-wrong-calculator/id6752529432)

This utility app challenges your brain by shuffling number positions after each input, forcing you to stay focused and break autopilot habits. It offers a unique way to perform calculations while engaging in cognitive exercise and mental workouts.

**Highlights:** Dynamic number shuffling, Math games, Intuitive interface, Smooth animations, Brain training benefits

**Features:** macOS Compatibility

**In-app purchases:** none


### ChessScope AI

[App page](https://appshunter.io/ios/app/chessscope-ai/id6774659856)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChessScope AI Pro | $1.99 | per month |


## Frequently asked questions

### Is The Wrong Calculator free?

The Wrong Calculator is free to download, with no in-app purchases.

### Is ChessScope AI free?

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

### Do The Wrong Calculator or ChessScope AI have ads?

Neither The Wrong Calculator nor ChessScope AI shows ads.

### Which is updated more often, The Wrong Calculator or ChessScope AI?

The Wrong Calculator ships an update every 2 days, and ChessScope AI every 6 days. Most recently, The Wrong Calculator was updated on October 8, 2026 and ChessScope AI on October 1, 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.*