# Hair Challenge vs Flex Run 3D

The clearest difference is update cadence: Hair Challenge at weekly against Flex Run 3D's monthly. Hair Challenge also leads on chart position (#194 vs unranked). Flex Run 3D's advantage is iOS requirement (13.0 vs 15.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Hair Challenge sells 4 one-off in-app purchases and Flex Run 3D sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Hair Challenge against 4.6 for Flex Run 3D. Both are backed by a comparable volume of ratings — 429K and 181K respectively. Written reviews are what separate them: 52% of Hair Challenge's written reviews are positive against 59% of Flex Run 3D's.

Hair Challenge ships an update weekly, Flex Run 3D monthly. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Hair Challenge | Flex Run 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (429K ratings)](https://appshunter.io/ios/app/hair-challenge/id1560656677/reviews) | **[4.6 (181K ratings)](https://appshunter.io/ios/app/flex-run-3d/id1580908333/reviews)** |
| Number of ratings | **429K** | 181K |
| Positive reviews | 51.9% of reviews | **58.7% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Best chart rank | **#194** | — |
| Size | 385 MB | 174 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Rollic Games](https://appshunter.io/developer/1452111779) | [Voodoo](https://appshunter.io/developer/714804730) |

## What reviewers say

### Hair Challenge

[App page](https://appshunter.io/ios/app/hair-challenge/id1560656677)

**Currently charting:** #194 Top Free · Racing (US App Store)

Grow your hair, dodge obstacles, and strut down the runway in this fast-paced runner game. Collect hair extensions, avoid sharp objects, and customize your look with dyes and accessories to become a style queen.

**Highlights:** Hair growing action, Obstacle avoidance, Hair dyeing, Runway customization, Addictive gameplay, Character and style unlocks

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hair Challenge Remove Ads | $0.99 | one-time |
| Hair Challenge Remove Ads | $2.99 | one-time |
| Hair Challenge Remove Ads | $3.99 | one-time |
| Hair Challenge Remove Ads | $4.99 | one-time |

**What reviewers like**

- 🚀 Fun and addictive gameplay
- 💎 Ability to customize character and hair
- 🎨 Vibrant and colorful visuals

**What reviewers complain about**

- 🔍 Repetitive and monotonous levels
- 💰 Excessive use of ads and in-app purchases
- 🐛 Frequent glitches and crashes
- 🔋 Drains battery quickly

**Reported bugs**

- Inconsistent high score tracking
- Freezing and black screen issues
- Inability to collect hair during glitches

**Requested features**

- More diverse character customization options
- Ability to move backwards and avoid obstacles
- Improved leaderboard and progression system
- Less intrusive ads and better reward system


### Flex Run 3D

[App page](https://appshunter.io/ios/app/flex-run-3d/id1580908333)

Guide your character through challenging obstacle courses by sliding your finger to change their pose. Test your reflexes and spatial awareness to fit through narrow gaps and avoid collisions. Enjoy a fun and engaging experience with increasingly difficult levels.

**Highlights:** Slide to move character, Pose to fit obstacles, Challenging levels, Reflex and spatial testing, 3D obstacle courses

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No ads | $2.99 | one-time |

**What reviewers like**

- 🚀 Fun and entertaining
- 👍 Satisfying gameplay
- 💡 Unique movement mechanics

**What reviewers complain about**

- 🔥 Too many ads
- 🤔 Unclear use of gems
- 🐛 Glitches and bugs

**Reported bugs**

- Levels becoming impossible to complete
- Game freezing and crashing
- Inconsistent controls

**Requested features**

- More character customization options
- Ability to choose level difficulty
- Offline mode


## Frequently asked questions

### Is Hair Challenge free?

Hair Challenge is free to download, with in-app purchases available.

### Is Flex Run 3D free?

Flex Run 3D is free to download, with in-app purchases available.

### Which has better reviews, Hair Challenge or Flex Run 3D?

Flex Run 3D is rated higher. Hair Challenge averages 4.5 out of 5 from 429K ratings, while Flex Run 3D averages 4.6 from 181K ratings.

### Do Hair Challenge or Flex Run 3D have ads?

Both Hair Challenge and Flex Run 3D show ads.

### Which is updated more often, Hair Challenge or Flex Run 3D?

Hair Challenge ships an update weekly, and Flex Run 3D monthly. Most recently, Hair Challenge was updated on November 7, 2026 and Flex Run 3D on November 6, 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.*