# Net Defterim vs ErrorBank

The clearest difference is in-app purchases: ErrorBank at none against Net Defterim's 2. ErrorBank also leads on update cadence (every 2 weeks vs every 2 months). Net Defterim's advantage is iOS requirement (13.0 vs 26.5). On price, ads and device support there is nothing between them.

Both are free to download. Net Defterim sells 2 in-app purchases, starting at $1.99 per month. ErrorBank asks for nothing beyond the download.

Net Defterim ships an update every 2 months, ErrorBank every 2 weeks. Both last shipped on November 9, 2026.

## The numbers

| Metric | Net Defterim | ErrorBank |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Size | 99 MB | 24 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ilker kanli](https://appshunter.io/developer/1846804075) | [Ibrahim Akcay](https://appshunter.io/developer/1895666922) |

## What reviewers say

### Net Defterim

[App page](https://appshunter.io/ios/app/net-defterim/id6758242100)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aylık Premium | $1.99 | per month |
| Yıllık Premium | $19.99 | per year |


### ErrorBank

[App page](https://appshunter.io/ios/app/errorbank-mistake-notebook/id6774787840)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Net Defterim free?

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

### Is ErrorBank free?

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

### Do Net Defterim or ErrorBank have ads?

Neither Net Defterim nor ErrorBank shows ads.

### Which is updated more often, Net Defterim or ErrorBank?

Net Defterim ships an update every 2 months, and ErrorBank every 2 weeks. Most recently, Net Defterim was updated on November 9, 2026 and ErrorBank on November 9, 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.*