# SwiftStudy vs Error

The clearest difference is in-app purchases: Error at none against SwiftStudy's 2. SwiftStudy's advantage is iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | SwiftStudy | Error |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 170 MB | 41 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DNT Music Inc](https://appshunter.io/developer/1742701909) | [Jacob Olssøn](https://appshunter.io/developer/6791055728) |

## What reviewers say

### SwiftStudy

[App page](https://appshunter.io/ios/app/swiftstudy-smarter-learning/id6499191067)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SwiftStudy Monthly Plan | $3.99 | per month |
| SwiftStudy Yearly Plan | $29.99 | per year |


### Error

[App page](https://appshunter.io/ios/app/error-log-your-mistakes/id6791055726)

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

**In-app purchases:** none


## Frequently asked questions

### Is SwiftStudy free?

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

### Is Error free?

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

### Do SwiftStudy or Error have ads?

Neither SwiftStudy nor Error shows ads.

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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.*