# Rex Time Switch vs Sparkify Documentation

The clearest difference is in-app purchases: Rex Time Switch at none against Sparkify Documentation's 2. Rex Time Switch also leads on iOS requirement (10.0 vs 18.0). Sparkify Documentation's advantage is update cadence (weekly vs every 18 months). On price, ads and device support there is nothing between them.

Both are free to download. Sparkify Documentation sells 2 in-app purchases, starting at $19.99 per month. Rex Time Switch asks for nothing beyond the download.

Rex Time Switch ships an update every 18 months, Sparkify Documentation weekly. The most recent releases landed on October 2, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Rex Time Switch | Sparkify Documentation |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 18 months | **Weekly** |
| Size | 77 MB | 227 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Legrand](https://appshunter.io/developer/357003650) | [Onstruc UG (haftungsbeschraenkt)](https://appshunter.io/developer/1532766278) |

## What reviewers say

### Rex Time Switch

[App page](https://appshunter.io/ios/app/rex-time-switch/id1509933102)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sparkify Documentation

[App page](https://appshunter.io/ios/app/sparkify-documentation/id6758299561)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Persönliche Cloud | $19.99 | per month |
| Persönliche Cloud+ | $49.99 | per month |


## Frequently asked questions

### Is Rex Time Switch free?

Rex Time Switch is free to download, with no in-app purchases.

### Is Sparkify Documentation free?

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

### Do Rex Time Switch or Sparkify Documentation have ads?

Neither Rex Time Switch nor Sparkify Documentation shows ads.

### Which is updated more often, Rex Time Switch or Sparkify Documentation?

Rex Time Switch ships an update every 18 months, and Sparkify Documentation weekly. Most recently, Rex Time Switch was updated on October 2, 2026 and Sparkify Documentation on October 1, 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.*