# Riddell vs TallUp AI

The clearest difference is rating: TallUp AI at 4.7 against Riddell's 2.3. TallUp AI also leads on review sentiment (25% vs 0%) and ratings volume (735 vs 25). Riddell's advantage is in-app purchases (none vs 3). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TallUp AI sells 3 in-app purchases, starting at $8.99 per month. Riddell asks for nothing beyond the download.

TallUp AI holds the better App Store score, 4.7 against 2.3. That said, the two scores are not equally well evidenced: TallUp AI has 735 ratings behind it against 25, so its average is the more settled of the two. Written reviews point the same way: 0% of Riddell's written reviews are positive against 25% of TallUp AI's.

Riddell ships an update every 2 months, TallUp AI monthly. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Riddell | TallUp AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (25 ratings)](https://appshunter.io/ios/app/riddell/id6702013237/reviews) | **[4.7 (735 ratings)](https://appshunter.io/ios/app/tallup-ai-height-increase/id6747131856/reviews)** |
| Number of ratings | 25 | **735** |
| Positive reviews | 0.0% of reviews | **25.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | **Free** | Subscription |
| Size | 58 MB | 50 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Riddell](https://appshunter.io/developer/1769566805) | [Maria Josee](https://appshunter.io/developer/1800345227) |

## What reviewers say

### Riddell

[App page](https://appshunter.io/ios/app/riddell/id6702013237)

This application uses your device's camera to create a precise 3D model of a player's head. This scan enables the custom manufacturing of helmets designed for a perfect, personalized fit based on individual head geometry.

**Highlights:** 3D head scanning, Custom helmet fitting, Personalized head geometry capture, Precision fit technology

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

**In-app purchases:** none


### TallUp AI

[App page](https://appshunter.io/ios/app/tallup-ai-height-increase/id6747131856)

This app helps users increase their height naturally through science-based exercises and AI-personalized stretching routines. It focuses on improving spinal alignment, flexibility, and posture for both teens and adults. Daily progress tracking and visual workout guides are included.

**Highlights:** AI-personalized stretching routines, Science-based exercises for height gain, Daily posture improvement plans, Progress tracking with reminders, HD visual workout guides, Home-friendly and beginner-safe routines

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| premium access | $8.99 | per month |
| premium access TallUp | $9.99 | per 7 days |
| premium access | $29.99 | per year |


## Frequently asked questions

### Is Riddell free?

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

### Is TallUp AI free?

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

### Which has better reviews, Riddell or TallUp AI?

TallUp AI is rated higher. Riddell averages 2.3 out of 5 from 25 ratings, while TallUp AI averages 4.7 from 735 ratings.

### Do Riddell or TallUp AI have ads?

Neither Riddell nor TallUp AI shows ads.

### Which is updated more often, Riddell or TallUp AI?

Riddell ships an update every 2 months, and TallUp AI monthly. Most recently, Riddell was updated on October 25, 2026 and TallUp AI on October 22, 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.*