# Dr Gersch vs Lentro

The clearest difference is in-app purchases: Dr Gersch at none against Lentro's 3. Dr Gersch also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Lentro's advantage is update cadence (daily vs every 5 months). On price and ads there is nothing between them.

Both are free to download. Lentro sells 3 one-off in-app purchases. Dr Gersch asks for nothing beyond the download.

Dr Gersch ships an update every 5 months, Lentro daily. The most recent releases landed on September 13, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Dr Gersch | Lentro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Size | 24 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 12+ |
| Developer | [Herophilos GmbH](https://appshunter.io/developer/1202812468) | [Christian Renneberg](https://appshunter.io/developer/1886131425) |

## What reviewers say

### Dr Gersch

[App page](https://appshunter.io/ios/app/dr-gersch/id1564780968)

**Features:** Vision Pro support

**In-app purchases:** none


### Lentro

[App page](https://appshunter.io/ios/app/lentro/id6763513634)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleine Spende | $3.99 | one-time |
| Mittlere Spende | $8.99 | one-time |
| Große Spende (Supporter) | $24.99 | one-time |


## Frequently asked questions

### Is Dr Gersch free?

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

### Is Lentro free?

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

### Do Dr Gersch or Lentro have ads?

Neither Dr Gersch nor Lentro shows ads.

### Which is updated more often, Dr Gersch or Lentro?

Dr Gersch ships an update every 5 months, and Lentro daily. Most recently, Dr Gersch was updated on September 13, 2026 and Lentro on September 21, 2026.

---

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