# Number Run vs GefühlsKasper

The clearest difference is price: Number Run at $2.99 against GefühlsKasper's $9.99. GefühlsKasper's advantage is update cadence (every 2 days vs every 3 months). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Number Run costs $2.99 and GefühlsKasper $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Run ships an update every 3 months, GefühlsKasper every 2 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Number Run | GefühlsKasper |
| --- | --- | --- |
| Price | **$2.99** | $9.99 |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/number-run/id563408572/reviews)** | — |
| Number of ratings | **1.1K** | — |
| Positive reviews | 91.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 39 MB | 55 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ignacio Schiefelbein](https://appshunter.io/developer/525439275) | [Cedric Lucien Marville](https://appshunter.io/developer/1599962223) |

## What reviewers say

### Number Run

[App page](https://appshunter.io/ios/app/number-run/id563408572)

Embark on an adventure to recover stolen crystals by solving math problems. This game offers engaging practice for all ages, from children learning arithmetic to adults seeking mental stimulation. It features multiple game modes and educational alignment.

**Highlights:** 52 math levels, Addition, subtraction, multiplication, division, Endless Mode, Common Core aligned, Unlockable outfits, Developed by graduate students

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Simple and straightforward
- 👍 Fun and engaging way to learn math
- 👍 Great for kids and parents
- 👍 Helps improve math skills
- 👍 No ads or distractions

**What reviewers complain about**

- ⏱️ Can be too fast-paced for some users
- 🔧 Could use more customization options

**Reported bugs**

- Occasional crashes or freezes
- Issues with number entry on certain devices

**Requested features**

- Ability to adjust difficulty/speed settings
- Progress tracking for parents/teachers
- More variety of skins/characters


### GefühlsKasper

[App page](https://appshunter.io/ios/app/gefuhlskasper/id6743959834)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Number Run free?

Number Run costs $2.99, with no in-app purchases.

### Is GefühlsKasper free?

GefühlsKasper costs $9.99, with no in-app purchases.

### Do Number Run or GefühlsKasper have ads?

Neither Number Run nor GefühlsKasper shows ads.

### Which is updated more often, Number Run or GefühlsKasper?

Number Run ships an update every 3 months, and GefühlsKasper every 2 days. Most recently, Number Run was updated on November 1, 2026 and GefühlsKasper on October 30, 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.*