# cal vs Custom Decision Roulette

The clearest difference is update cadence: cal at weekly against Custom Decision Roulette's every 2 months. cal also leads on review sentiment (71% vs 58%) and iOS requirement (12.1 vs 15.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

cal holds the better App Store score, 4.5 against 4.3. Both are backed by a comparable volume of ratings — 17 and 12 respectively. Written reviews point the same way: 71% of cal's written reviews are positive against 58% of Custom Decision Roulette's.

cal ships an update weekly, Custom Decision Roulette every 2 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | cal | Custom Decision Roulette |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (17 ratings)](https://appshunter.io/ios/app/cal-coola-math-brain-game/id1254982701/reviews)** | [4.3 (12 ratings)](https://appshunter.io/ios/app/custom-decision-roulette/id1533200497/reviews) |
| Number of ratings | **17** | 12 |
| Positive reviews | **71.4% of reviews** | 58.2% of reviews |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 67 MB | 36 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Jaime C. Carriedo](https://appshunter.io/developer/785723408) | [Yonel Mamani](https://appshunter.io/developer/1533200499) |

## What reviewers say

### cal

[App page](https://appshunter.io/ios/app/cal-coola-math-brain-game/id1254982701)

A simple brain game challenges players to reach a target number using six given numbers and four basic arithmetic operations. Solve it quickly to earn more points. Drag tiles to perform calculations and reach the goal.

**Highlights:** Six numbers and four operations, Reach a target result, Score based on speed, Drag-and-drop interface, Undo function

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

**In-app purchases:** none


### Custom Decision Roulette

[App page](https://appshunter.io/ios/app/custom-decision-roulette/id1533200497)

This app provides a fun and fast way to make decisions. Add your choices, spin the wheel, and get an instant answer. It's perfect for everyday dilemmas, games, or choosing activities.

**Highlights:** Create unlimited custom wheels, Add, edit, and reorder options, Realistic spinning animation, Yes/No decision mode, Full customization (colors, icons), Save and share wheels/results

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

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 👍 Helps with decisions
- 👍 No internet needed
- 👍 No ads (mentioned by some)
- 👍 Customizable roulettes

**What reviewers complain about**

- 🐛 Roulette disappears
- 🐛 Options disappear
- 🐛 Roulette always shows the same thing
- 🐛 App freezes/crashes
- 🐛 Slow performance

**Reported bugs**

- Roulette disappears
- Options disappear
- Roulette shows the same thing repeatedly
- App crashes/freezes
- App is slow

**Requested features**

- More roulette dynamics/options
- More color options
- Add a spin button
- Implement a country roulette
- More roulette types


## Frequently asked questions

### Is cal free?

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

### Is Custom Decision Roulette free?

Custom Decision Roulette is free to download, with no in-app purchases.

### Which has better reviews, cal or Custom Decision Roulette?

cal is rated higher. cal averages 4.5 out of 5 from 17 ratings, while Custom Decision Roulette averages 4.3 from 12 ratings.

### Do cal or Custom Decision Roulette have ads?

Both cal and Custom Decision Roulette show ads.

### Which is updated more often, cal or Custom Decision Roulette?

cal ships an update weekly, and Custom Decision Roulette every 2 months. Most recently, cal was updated on October 26, 2026 and Custom Decision Roulette on October 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.*