# StaySync vs Zitlin

The clearest difference is in-app purchases: Zitlin at none against StaySync's 2. Zitlin also leads on update cadence (every 5 days vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. StaySync sells 2 in-app purchases, starting at $2.99 per month. Zitlin asks for nothing beyond the download.

StaySync ships an update every 2 weeks, Zitlin every 5 days. The most recent releases landed on September 9, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | StaySync | Zitlin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Size | 2 MB | 40 MB |
| Requires iOS | 16.4 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yasunori Tanaka](https://appshunter.io/developer/1323722042) | [Swastika Dutta](https://appshunter.io/developer/1855664829) |

## What reviewers say

### StaySync

[App page](https://appshunter.io/ios/app/staysync/id6744273477)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1-Month Plan | $2.99 | per month |
| 1-Year Plan | $29.99 | per year |


### Zitlin

[App page](https://appshunter.io/ios/app/zitlin/id6755699448)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is StaySync free?

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

### Is Zitlin free?

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

### Do StaySync or Zitlin have ads?

Neither StaySync nor Zitlin shows ads.

### Which is updated more often, StaySync or Zitlin?

StaySync ships an update every 2 weeks, and Zitlin every 5 days. Most recently, StaySync was updated on September 9, 2026 and Zitlin on September 13, 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.*