# Chess Timer vs IS CRM

The clearest difference is in-app purchases: IS CRM at none against Chess Timer's 3. IS CRM also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Chess Timer sells 3 in-app purchases, starting at $0.99 per 7 days. IS CRM asks for nothing beyond the download.

Chess Timer ships an update every 3 weeks, IS CRM every 2 weeks. The most recent releases landed on September 8, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Chess Timer | IS CRM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/chess-timer-clock/id6673919458/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 9 MB | 93 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Andy Sutanto](https://appshunter.io/developer/1659282966) | [International Schooling Pte. Ltd.](https://appshunter.io/developer/1703762381) |

## What reviewers say

### Chess Timer

[App page](https://appshunter.io/ios/app/chess-timer-clock/id6673919458)

This app provides precise time management for chess players, offering various time controls and dual-player tracking. It helps players train for tournaments, sharpen skills, and ensures fair gameplay with customizable settings and low-time alerts.

**Highlights:** Accurate time controls, Dual player time tracking, Multiple time formats, Customizable time settings, Low time alert, User-friendly interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chess Clock Pro - 1W | $0.99 | per 7 days |
| Chess Alarm Pro - 1Y | $9.99 | per year |
| Chess Timer Pro | $19.99 | 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 Chess Timer free?

Chess Timer 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 Chess Timer or IS CRM have ads?

Chess Timer shows ads; IS CRM does not.

### Which is updated more often, Chess Timer or IS CRM?

Chess Timer ships an update every 3 weeks, and IS CRM every 2 weeks. Most recently, Chess Timer was updated on September 8, 2026 and IS CRM on September 10, 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.*