# Dr. Ludidi vs Impact

The clearest difference is in-app purchases: Impact at none against Dr. Ludidi's 7. Dr. Ludidi's advantage is update cadence (every 2 months vs every 8 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Dr. Ludidi sells 7 one-off in-app purchases. Impact asks for nothing beyond the download.

Dr. Ludidi ships an update every 2 months, Impact every 8 months. Both last shipped on October 3, 2026.

## The numbers

| Metric | Dr. Ludidi | Impact |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 8 months |
| Size | 104 MB | 15 MB |
| Requires iOS | 15.2 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [dr. Ludidi bv](https://appshunter.io/developer/1706791303) | [Trainin](https://appshunter.io/developer/1732652497) |

## What reviewers say

### Dr. Ludidi

[App page](https://appshunter.io/ios/app/dr-ludidi/id6465896553)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modern Ancestral Recipes | Free | one-time |
| Banish Bloating | Free | one-time |
| Recepten | Free | one-time |
| Ramadan Lifestyle & Nutrition | Free | one-time |
| 30 Day AM Routine | $17.00 | one-time |
| Movement Maximisation Protocol | $25.00 | one-time |
| Dr. Ludidi's Rhythm Reset | $39.00 | one-time |


### Impact

[App page](https://appshunter.io/ios/app/impact45/id6739770649)

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

**In-app purchases:** none


## Frequently asked questions

### Is Dr. Ludidi free?

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

### Is Impact free?

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

### Do Dr. Ludidi or Impact have ads?

Neither Dr. Ludidi nor Impact shows ads.

### Which is updated more often, Dr. Ludidi or Impact?

Dr. Ludidi ships an update every 2 months, and Impact every 8 months. Most recently, Dr. Ludidi was updated on October 3, 2026 and Impact on October 3, 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.*