# Me Lithium vs REBT Pro

The clearest difference is in-app purchases: Me Lithium at none against REBT Pro's 2. Me Lithium also leads on iOS requirement (15.0 vs 17.6). REBT Pro's advantage is update cadence (every 2 weeks vs every 10 months). On price, ads and device support there is nothing between them.

Both are free to download. REBT Pro sells 2 in-app purchases, starting at $3.99 per month. Me Lithium asks for nothing beyond the download.

Me Lithium ships an update every 10 months, REBT Pro every 2 weeks. The most recent releases landed on October 14, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Me Lithium | REBT Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 weeks** |
| Size | 17 MB | 29 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Bornay Aerogeneradores](https://appshunter.io/developer/1604866070) | [Manuel Mogrovejo](https://appshunter.io/developer/1888765151) |

## What reviewers say

### Me Lithium

[App page](https://appshunter.io/ios/app/me-lithium/id1604866068)

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

**In-app purchases:** none


### REBT Pro

[App page](https://appshunter.io/ios/app/rebt-pro/id6761301576)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| REBT Pro Mensual | $3.99 | per month |
| REBT Pro Anual | $34.99 | per year |


## Frequently asked questions

### Is Me Lithium free?

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

### Is REBT Pro free?

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

### Do Me Lithium or REBT Pro have ads?

Neither Me Lithium nor REBT Pro shows ads.

### Which is updated more often, Me Lithium or REBT Pro?

Me Lithium ships an update every 10 months, and REBT Pro every 2 weeks. Most recently, Me Lithium was updated on October 14, 2026 and REBT Pro on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*