# Focus Clock vs IS CRM

The clearest difference is in-app purchases: IS CRM at none against Focus Clock's 3. Focus Clock's advantage is iOS requirement (11.0 vs 13.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Focus Clock sells 3 in-app purchases, starting at $0.99 per 3 months. IS CRM asks for nothing beyond the download.

Focus Clock ships an update fortnightly, IS CRM every 2 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Focus Clock | IS CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/focus-clock/id1521795885/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 69.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 weeks |
| Monetization | Subscription | — |
| Size | 56 MB | 93 MB |
| Requires iOS | **11.0** | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [晓庆 张](https://appshunter.io/developer/1268921589) | [International Schooling](https://appshunter.io/developer/1703762381) |

## What reviewers say

### Focus Clock

[App page](https://appshunter.io/ios/app/focus-clock/id1521795885)

This app helps you concentrate on tasks with a unique focus mode that rewards sustained attention. It offers customizable timers, background operation, and detailed statistics to track your progress. Enjoy an ad-free experience with various visual themes to enhance your study or work sessions.

**Highlights:** Ad-free focus mode, Background timing with notifications, Daily focus statistics, Customizable clock styles and skins, Gesture controls for navigation, Progress bar and color customization

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription member | $0.99 | per 3 months |
| Permanent buyout | $1.99 | one-time |
| discounts VIP | $2.99 | one-time |


### IS CRM

[App page](https://appshunter.io/ios/app/is-crm/id6739427766)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Focus Clock free?

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

### Is IS CRM free?

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

### Do Focus Clock or IS CRM have ads?

Neither Focus Clock nor IS CRM shows ads.

### Which is updated more often, Focus Clock or IS CRM?

Focus Clock ships an update fortnightly, and IS CRM every 2 weeks. Most recently, Focus Clock was updated on October 24, 2026 and IS CRM on October 25, 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.*