# Training121 vs Taller

The clearest difference is in-app purchases: Training121 at none against Taller's 10. Training121 also leads on ads (none vs shown). Taller's advantage is update cadence (every 10 days vs every 22 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Taller sells 10 in-app purchases, starting at $4.99 per 7 days. Training121 asks for nothing beyond the download.

Training121 ships an update every 22 months, Taller every 10 days. The most recent releases landed on November 7, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Training121 | Taller |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (17K ratings)](https://appshunter.io/ios/app/taller-maximize-your-height/id6695758303/reviews)** |
| Number of ratings | — | **17K** |
| Positive reviews | — | 41.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 22 months | **Every 10 days** |
| Monetization | — | Freemium |
| Size | 31 MB | 106 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Training121](https://appshunter.io/developer/1615986164) | [Romandie.com](https://appshunter.io/developer/297102476) |

## What reviewers say

### Training121

[App page](https://appshunter.io/ios/app/training121/id1615986162)

**Features:** macOS Compatibility

**In-app purchases:** none


### Taller

[App page](https://appshunter.io/ios/app/taller-maximize-your-height/id6695758303)

This app helps users predict and potentially increase their height. It provides personalized plans based on lifestyle questions and tracks progress with monthly updates. While it offers guidance, users must actively follow the growth-promoting practices.

**Highlights:** Personalized height growth plan, Future height prediction, HGH production tips, Monthly progress updates, Lifestyle assessment

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Weekly Premium | $5.99 | per 7 days |
| Yearly Premium | $19.99 | per year |
| Yearly Premium with Free Trial | $19.99 | per year |
| Yearly Premium Subscription | $19.99 | per year |
| Yearly Premium Subscription | $29.99 | per year |
| Yearly Premium with Free Trial | $39.99 | per year |
| Lifetime Access | $14.99 | one-time |
| Lifetime Access | $29.99 | one-time |
| Lifetime Access | $39.99 | one-time |

**What reviewers like**

- 👍 Helps with consistency
- 🚀 App works well

**What reviewers complain about**

- 💰 Expensive subscription
- 🚫 Not free to use
- 🤔 Inaccurate height predictions

**Reported bugs**

- Free trial doesn't work as advertised
- Misleading marketing claims

**Requested features**

- Make the app free
- Improve accuracy of height predictions


## Frequently asked questions

### Is Training121 free?

Training121 is free to download, with no in-app purchases.

### Is Taller free?

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

### Do Training121 or Taller have ads?

Taller shows ads; Training121 does not.

### Which is updated more often, Training121 or Taller?

Training121 ships an update every 22 months, and Taller every 10 days. Most recently, Training121 was updated on November 7, 2026 and Taller on November 10, 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.*