# Lystra vs SecDocKeeper

The clearest difference is in-app purchases: SecDocKeeper at none against Lystra's 2. SecDocKeeper also leads on iOS requirement (15.5 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Lystra sells 2 in-app purchases, starting at $0.39 per 7 days. SecDocKeeper asks for nothing beyond the download.

## The numbers

| Metric | Lystra | SecDocKeeper |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Size | 14 MB | 66 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Emanuele Di Pietro](https://appshunter.io/developer/1728279040) | [Valentin Sobolev](https://appshunter.io/developer/1896335401) |

## What reviewers say

### Lystra

[App page](https://appshunter.io/ios/app/lystra/id6745784928)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $0.39 | per 7 days |
| All Access | $7.99 | per year |


### SecDocKeeper

[App page](https://appshunter.io/ios/app/secdockeeper/id6766897531)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lystra free?

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

### Is SecDocKeeper free?

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

### Do Lystra or SecDocKeeper have ads?

Neither Lystra nor SecDocKeeper 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.*