# KarpaChess vs Lecture Recorder

The clearest difference is in-app purchases: KarpaChess at none against Lecture Recorder's 3. KarpaChess also leads on update cadence (every 3 days vs every 11 days) and iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Lecture Recorder sells 3 one-off in-app purchases. KarpaChess asks for nothing beyond the download.

KarpaChess ships an update every 3 days, Lecture Recorder every 11 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KarpaChess | Lecture Recorder |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 11 days |
| Size | 171 MB | 35 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mourad GHAFIRI](https://appshunter.io/developer/1896774994) | [LOUIS MANUEL KLINKE](https://appshunter.io/developer/6815681809) |

## What reviewers say

### KarpaChess

[App page](https://appshunter.io/ios/app/karpachess/id6808091046)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lecture Recorder

[App page](https://appshunter.io/ios/app/lecture-recorder-earnote/id6815681807)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kleines Trinkgeld | $1.99 | one-time |
| Mittleres Trinkgeld | $3.99 | one-time |
| Earnote PRO | $8.99 | one-time |


## Frequently asked questions

### Is KarpaChess free?

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

### Is Lecture Recorder free?

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

### Do KarpaChess or Lecture Recorder have ads?

Neither KarpaChess nor Lecture Recorder shows ads.

### Which is updated more often, KarpaChess or Lecture Recorder?

KarpaChess ships an update every 3 days, and Lecture Recorder every 11 days. Most recently, KarpaChess was updated on October 31, 2026 and Lecture Recorder on November 6, 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.*