# Hustly vs コツログ

The clearest difference is in-app purchases: コツログ at none against Hustly's 4. On price, update cadence, 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. コツログ asks for nothing beyond the download.

Hustly ships an update every 9 days, コツログ every 3 weeks. The most recent releases landed on October 14, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Hustly | コツログ |
| --- | --- | --- |
| 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** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 16 MB | 11 MB |
| Requires iOS | 17 | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Aurelien Moretto](https://appshunter.io/developer/1872083471) | [Sota Ohno](https://appshunter.io/developer/6778257909) |

## 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 |


### コツログ

[App page](https://appshunter.io/ios/app/id6778257541)

**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 コツログ free?

コツログ is free to download, with no in-app purchases.

### Do Hustly or コツログ have ads?

Neither Hustly nor コツログ shows ads.

### Which is updated more often, Hustly or コツログ?

Hustly ships an update every 9 days, and コツログ every 3 weeks. Most recently, Hustly was updated on October 14, 2026 and コツログ on September 24, 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.*