# Common Error vs WordNet Offline Dictionary

The clearest difference is ads: Common Error at none against WordNet Offline Dictionary's shown. Common Error also leads on iOS requirement (7.0 vs 15.5). WordNet Offline Dictionary's advantage is update cadence (every 2 weeks vs every 35 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Common Error ships an update every 35 months, WordNet Offline Dictionary every 2 weeks. The most recent releases landed on September 17, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Common Error | WordNet Offline Dictionary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 35 months | **Every 2 weeks** |
| Size | 7 MB | 113 MB |
| Requires iOS | **7.0** | 15.5 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Le Thi Quynh Ny](https://appshunter.io/developer/1321764676) | [Duc Hung Le](https://appshunter.io/developer/1590124314) |

## What reviewers say

### Common Error

[App page](https://appshunter.io/ios/app/common-error/id1224350614)

**Features:** macOS Compatibility

**In-app purchases:** none


### WordNet Offline Dictionary

[App page](https://appshunter.io/ios/app/wordnet-offline-dictionary/id6740097597)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Common Error free?

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

### Is WordNet Offline Dictionary free?

WordNet Offline Dictionary is free to download, with no in-app purchases.

### Do Common Error or WordNet Offline Dictionary have ads?

WordNet Offline Dictionary shows ads; Common Error does not.

### Which is updated more often, Common Error or WordNet Offline Dictionary?

Common Error ships an update every 35 months, and WordNet Offline Dictionary every 2 weeks. Most recently, Common Error was updated on September 17, 2026 and WordNet Offline Dictionary on September 25, 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.*