# Check&Go vs TO.sync

The clearest difference is iOS requirement: Check&Go at 15.0 against TO.sync's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Check&Go ships an update every 3 weeks, TO.sync every 11 days. The most recent releases landed on November 4, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Check&Go | TO.sync |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | — | Free |
| Size | 40 MB | 87 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Neo Mobility](https://appshunter.io/developer/1556407776) | [Adrien VERMEULEN](https://appshunter.io/developer/6781199895) |

## What reviewers say

### Check&Go

[App page](https://appshunter.io/ios/app/check-and-go/id6637600004)

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

**In-app purchases:** none


### TO.sync

[App page](https://appshunter.io/ios/app/tosync/id6795223843)

This app helps Transavia France flight personnel sync their schedules with their calendars. It also provides tools to estimate their earnings. Designed for independent use by flight crew.

**Highlights:** Schedule synchronization, Calendar integration, Remuneration estimation, Independent application, Flight personnel focus

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

**In-app purchases:** none


## Frequently asked questions

### Is Check&Go free?

Check&Go is free to download, with no in-app purchases.

### Is TO.sync free?

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

### Do Check&Go or TO.sync have ads?

Neither Check&Go nor TO.sync shows ads.

### Which is updated more often, Check&Go or TO.sync?

Check&Go ships an update every 3 weeks, and TO.sync every 11 days. Most recently, Check&Go was updated on November 4, 2026 and TO.sync on November 10, 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.*