# Let's Sync vs Unix Time is Readable

The clearest difference is in-app purchases: Unix Time is Readable at none against Let's Sync's 10. Unix Time is Readable also leads on update cadence (every 5 days vs monthly). Let's Sync's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

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

Let's Sync ships an update monthly, Unix Time is Readable every 5 days. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Let's Sync | Unix Time is Readable |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 92 MB | 5 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Terra Virgo Corporation](https://appshunter.io/developer/906339963) | [Fares Alharbi](https://appshunter.io/developer/1434218760) |

## 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 |


### Unix Time is Readable

[App page](https://appshunter.io/ios/app/unix-time-is-readable/id1659573028)

**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 Unix Time is Readable free?

Unix Time is Readable is free to download, with no in-app purchases.

### Do Let's Sync or Unix Time is Readable have ads?

Unix Time is Readable shows ads; Let's Sync does not.

### Which is updated more often, Let's Sync or Unix Time is Readable?

Let's Sync ships an update monthly, and Unix Time is Readable every 5 days. Most recently, Let's Sync was updated on November 2, 2026 and Unix Time is Readable on November 3, 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.*