# Hustly vs Open Sync

The clearest difference is in-app purchases: Open Sync at none against Hustly's 4. Open Sync also leads on iOS requirement (15.6 vs 17). On price, ads and device support there is nothing between them.

Both are free to download. Hustly sells 4 in-app purchases, starting at $3.99 per month. Open Sync asks for nothing beyond the download.

## The numbers

| Metric | Hustly | Open Sync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (48 ratings)](https://appshunter.io/ios/app/hustly-focus-timer/id6758303198/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 47.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 9 days | — |
| Monetization | Subscription | — |
| Size | 16 MB | 33 MB |
| Requires iOS | 17 | **15.6** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Aurelien Moretto](https://appshunter.io/developer/1872083471) | [Wenalyze S.L.](https://appshunter.io/developer/1849202852) |

## What reviewers say

### Hustly

[App page](https://appshunter.io/ios/app/hustly-focus-timer/id6758303198)

This app generates real-time binaural frequencies to enhance concentration for intellectual work and study. It offers customizable focus blocks, detailed frequency exploration, and smart onboarding tailored to your goals. Track your progress with comprehensive statistics and enjoy a distraction-free, offline experience.

**Highlights:** Real-time binaural frequency generation, Customizable focus blocks, Frequency exploration and benefits, Smart onboarding based on user profile, Detailed tracking and statistics, Offline functionality, iOS Control Center integration

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hustly - Monthly | $3.99 | per month |
| Hustly - Yearly | $17.99 | per year |
| Hustly - Lifetime | $22.99 | one-time |
| Hustly - Lifetime | $29.99 | one-time |


### Open Sync

[App page](https://appshunter.io/ios/app/open-sync/id6764025267)

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

**In-app purchases:** none


## Frequently asked questions

### Is Hustly free?

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

### Is Open Sync free?

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

### Do Hustly or Open Sync have ads?

Neither Hustly nor Open Sync 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.*