# DietOne vs LYM

The clearest difference is in-app purchases: LYM at none against DietOne's 11. LYM also leads on iOS requirement (13.0 vs 15.5). DietOne's advantage is update cadence (monthly vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. DietOne sells 11 in-app purchases, starting at $0.99 per 7 days. LYM asks for nothing beyond the download.

DietOne ships an update monthly, LYM every 3 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | DietOne | LYM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (102 ratings)](https://appshunter.io/ios/app/dietone/id620446398/reviews)** | — |
| Number of ratings | **102** | — |
| Positive reviews | 85.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Subscription | — |
| Size | 93 MB | 44 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Grapho](https://appshunter.io/developer/620446401) | [CleverBit Srls](https://appshunter.io/developer/952647978) |

## What reviewers say

### DietOne

[App page](https://appshunter.io/ios/app/dietone/id620446398)

This app provides personalized diet plans developed by nutritionists. It helps users lose weight safely and improve their lifestyle through scientifically backed meal plans and habit tracking. Users can customize their diets based on preferences and goals.

**Highlights:** Personalized diet plans, Weight loss up to 1kg per week, Mediterranean diet based, BMI and caloric needs calculator, Customizable meal options, Recipe and video recipe library, Weekly weight monitoring

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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dieta Melarossa | $0.99 | per 7 days |
| DietOne | $2.49 | per month |
| Dieta Melarossa | $2.99 | per month |
| 1M DietOne | $3.99 | per month |
| DietOne | $3.99 | per month |
| DietOne | $6.99 | per 3 months |
| 3M DietOne | $8.99 | per 3 months |
| DietOne | $12.99 | per 6 months |
| 6M DietOne | $19.99 | per 6 months |
| DietOne | $22.99 | per year |
| 12M DietOne | $29.99 | per year |


### LYM

[App page](https://appshunter.io/ios/app/lym/id1463935515)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DietOne free?

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

### Is LYM free?

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

### Do DietOne or LYM have ads?

Neither DietOne nor LYM shows ads.

### Which is updated more often, DietOne or LYM?

DietOne ships an update monthly, and LYM every 3 months. Most recently, DietOne was updated on October 15, 2026 and LYM on October 7, 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.*