# Sixth Sense Training vs Math Ninja

The clearest difference is in-app purchases: Sixth Sense Training at none against Math Ninja's 1. Sixth Sense Training also leads on update cadence (every 2 days vs every 3 weeks) and iOS requirement (13.5 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Math Ninja sells 1 one-off in-app purchase. Sixth Sense Training asks for nothing beyond the download.

Sixth Sense Training ships an update every 2 days, Math Ninja every 3 weeks. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Sixth Sense Training | Math Ninja |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sixth-sense-training/id1519383225/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 13 MB |
| Requires iOS | **13.5** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Dae Hyun Kim](https://appshunter.io/developer/1519383227) | [Mustafa Tugrul Firat](https://appshunter.io/developer/6789868437) |

## What reviewers say

### Sixth Sense Training

[App page](https://appshunter.io/ios/app/sixth-sense-training/id1519383225)

Test and enhance your intuition through a variety of mini-games focused on perception and estimation. Enjoy infinite replayability with all current and future sub-games included in a single purchase.

**Highlights:** Test and improve intuition, Eight unique sub-games, Infinite gameplay beyond level 1,000, One-time purchase for all content, Angle, Area, Calculation, Color, Count, Dialtone, Length, Time games

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Ninja

[App page](https://appshunter.io/ios/app/math-ninja-slice-and-solve/id6790400075)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Master Ninja Unlock | $2.99 | one-time |


## Frequently asked questions

### Is Sixth Sense Training free?

Sixth Sense Training is free to download, with no in-app purchases.

### Is Math Ninja free?

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

### Do Sixth Sense Training or Math Ninja have ads?

Neither Sixth Sense Training nor Math Ninja shows ads.

### Which is updated more often, Sixth Sense Training or Math Ninja?

Sixth Sense Training ships an update every 2 days, and Math Ninja every 3 weeks. Most recently, Sixth Sense Training was updated on October 2, 2026 and Math Ninja on October 15, 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.*