# ChessClock+ vs EngineerTact

The clearest difference is in-app purchases: EngineerTact at none against ChessClock+'s 3. ChessClock+'s advantage is update cadence (every 5 days vs fortnightly) and iOS requirement (13.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. ChessClock+ sells 3 one-off in-app purchases. EngineerTact asks for nothing beyond the download.

ChessClock+ ships an update every 5 days, EngineerTact fortnightly. The most recent releases landed on September 22, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | ChessClock+ | EngineerTact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (101 ratings)](https://appshunter.io/ios/app/chessclock-plus/id958395079/reviews)** | — |
| Number of ratings | **101** | — |
| Positive reviews | 97.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 27 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Brad Bambara](https://appshunter.io/developer/690305163) | [Fırat BOZKAYA](https://appshunter.io/developer/1875535506) |

## What reviewers say

### ChessClock+

[App page](https://appshunter.io/ios/app/chessclock-plus/id958395079)

Enhance your chess games with customizable time controls. Set unique settings for each player, including multiple time phases, various delay types, and hourglass mode. Personalize alerts, colors, and clock orientation for an optimal experience.

**Highlights:** Customizable time controls per player, Multiple time phases (e.g., per move), Fischer, Bronstein, and simple delay options, Hourglass mode for time transfer, Pre-set and custom clock configurations, Configurable low-time alerts, Customizable colors and orientation

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support ChessClock+ | $0.99 | one-time |
| Support ChessClock+ | $4.99 | one-time |
| Support ChessClock+ | $9.99 | one-time |


### EngineerTact

[App page](https://appshunter.io/ios/app/engineertact-geo-and-rf/id6772441208)

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

**In-app purchases:** none


## Frequently asked questions

### Is ChessClock+ free?

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

### Is EngineerTact free?

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

### Do ChessClock+ or EngineerTact have ads?

Neither ChessClock+ nor EngineerTact shows ads.

### Which is updated more often, ChessClock+ or EngineerTact?

ChessClock+ ships an update every 5 days, and EngineerTact fortnightly. Most recently, ChessClock+ was updated on September 22, 2026 and EngineerTact on September 21, 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.*