# Intensive21 vs Happy Diet

The clearest difference is in-app purchases: Happy Diet at none against Intensive21's 5. Happy Diet also leads on iOS requirement (12.0 vs 15.0). Intensive21's advantage is update cadence (fortnightly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Intensive21 sells 5 in-app purchases, starting at $34.99 per month. Happy Diet asks for nothing beyond the download.

Intensive21 ships an update fortnightly, Happy Diet every 2 months. The most recent releases landed on November 5, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Intensive21 | Happy Diet |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/intensive21/id6445954519/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 122 MB | 73 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Nataliya Gera](https://appshunter.io/developer/1634176241) | [Zumbat Hub srl](https://appshunter.io/developer/1358104949) |

## What reviewers say

### Intensive21

[App page](https://appshunter.io/ios/app/intensive21/id6445954519)

This app guides users through a 21-day program for healthy weight loss and holistic well-being. It offers home workouts, nutritional guidance, and mental wellness support, with a community of over 20,000 participants. The program aims for a 3-6 kg weight loss and a sustainable healthy lifestyle.

**Highlights:** 21-day healthy weight loss program, Home workouts (live, saved, recorded), Nutritional guidance and meal plans, Mental wellness support, Progress tracking (meals, steps, water), Community support, Expert consultations

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abbonamento mensile | $34.99 | per month |
| Abbonamento Trimestrale | $69.99 | per 3 months |
| Abbonamento Semestrale | $129.99 | per 6 months |
| Abbonamento Live Annuale | $199.00 | per year |
| Abbonamento annuale | $199.99 | per year |


### Happy Diet

[App page](https://appshunter.io/ios/app/happy-diet/id6446139436)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Intensive21 free?

Intensive21 is free to download, with in-app purchases available.

### Is Happy Diet free?

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

### Do Intensive21 or Happy Diet have ads?

Neither Intensive21 nor Happy Diet shows ads.

### Which is updated more often, Intensive21 or Happy Diet?

Intensive21 ships an update fortnightly, and Happy Diet every 2 months. Most recently, Intensive21 was updated on November 5, 2026 and Happy Diet 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.*