# Chess Clock vs What If? Butterfly Effect

The clearest difference is rating: What If? Butterfly Effect at 5.0 against Chess Clock's 3.0. What If? Butterfly Effect also leads on in-app purchases (none vs 1). Chess Clock's advantage is update cadence (every 4 days vs every 8 days). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Chess Clock sells 1 one-off in-app purchase. What If? Butterfly Effect asks for nothing beyond the download.

What If? Butterfly Effect holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 4 respectively.

Chess Clock ships an update every 4 days, What If? Butterfly Effect every 8 days. The most recent releases landed on November 12, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Chess Clock | What If? Butterfly Effect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/chess-clock-chess-timer/id6738325657/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/what-if-butterfly-effect/id6769580353/reviews)** |
| Number of ratings | 3 | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | **Free** | Ad-supported |
| Size | 30 MB | 35 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SVEIN ROBIN OPLAND](https://appshunter.io/developer/1742043807) | [Vishva Variya](https://appshunter.io/developer/1896670275) |

## What reviewers say

### Chess Clock

[App page](https://appshunter.io/ios/app/chess-clock-chess-timer/id6738325657)

This app provides a customizable chess clock with various timing modes, including increment, Fisher, Bronstein, and delay. It features a user-friendly interface and an easy-to-tap timer designed for both casual and competitive players.

**Highlights:** Preset timing options, Customizable timers (increment, Fisher, Bronstein, Delay), Multi-stage timers, Individual player settings, User-friendly interface, Easy-to-tap active player button

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### What If? Butterfly Effect

[App page](https://appshunter.io/ios/app/what-if-butterfly-effect/id6769580353)

Explore the cascading consequences of any "what if" scenario. This AI-powered game generates six escalating story ripples from a single question, leading to unpredictable outcomes. Branch timelines, track chaos, and share your creations.

**Highlights:** AI-generated story cascades, Six escalating ripples per scenario, Branching timelines, Chaos Index scoring, Daily streaks and saved cascades, Incognito mode for privacy, Shareable links for remixing

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

**In-app purchases:** none


## Frequently asked questions

### Is Chess Clock free?

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

### Is What If? Butterfly Effect free?

What If? Butterfly Effect is free to download, with no in-app purchases.

### Which has better reviews, Chess Clock or What If? Butterfly Effect?

What If? Butterfly Effect is rated higher. Chess Clock averages 3.0 out of 5 from 3 ratings, while What If? Butterfly Effect averages 5.0 from 4 ratings.

### Do Chess Clock or What If? Butterfly Effect have ads?

Neither Chess Clock nor What If? Butterfly Effect shows ads.

### Which is updated more often, Chess Clock or What If? Butterfly Effect?

Chess Clock ships an update every 4 days, and What If? Butterfly Effect every 8 days. Most recently, Chess Clock was updated on November 12, 2026 and What If? Butterfly Effect on November 5, 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.*