# Let's Sync vs Check

The clearest difference is in-app purchases: Check at none against Let's Sync's 10. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Let's Sync sells 10 one-off in-app purchases. Check asks for nothing beyond the download.

## The numbers

| Metric | Let's Sync | Check |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 24 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 17+ |
| Developer | [Terra Virgo Corporation](https://appshunter.io/developer/906339963) | [Tristan Grobler](https://appshunter.io/developer/1603485070) |

## What reviewers say

### Let's Sync

[App page](https://appshunter.io/ios/app/lets-sync/id1350450913)

Synchronize audio across multiple smartphones for shared listening experiences. Create events for silent dances, interactive stories, group workouts, and more. It's a versatile platform for personal and business use, supporting thousands of concurrent participants.

**Highlights:** Synchronizes audio across multiple smartphones, Creates shared listening events, Supports silent dances and interactive stories, Enables group workouts and worldwide events, Platform for unique business ventures, Supports up to 7,000 concurrent participants

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Add 5 credits to wallet | $4.99 | one-time |
| Add 21 credits to wallet | $20.99 | one-time |
| Add 22 credits to wallet | $21.99 | one-time |
| Add 23 credits to wallet | $22.99 | one-time |
| Add 24 credits to wallet | $23.99 | one-time |
| Add 25 credits to wallet | $24.99 | one-time |
| Add 26 credits to wallet | $25.99 | one-time |
| Add 27 credits to wallet | $26.99 | one-time |
| Add 28 credits to wallet | $27.99 | one-time |
| Add 29 credits to wallet | $28.99 | one-time |


### Check

[App page](https://appshunter.io/ios/app/check-in-assistant/id1605577471)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Let's Sync free?

Let's Sync is free to download, with in-app purchases available.

### Is Check free?

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

### Do Let's Sync or Check have ads?

Neither Let's Sync nor Check 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.*