# Cross Math vs Operandi

The clearest difference is iOS requirement: Cross Math at 13.0 against Operandi's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Cross Math ships an update every 10 days, Operandi weekly. The most recent releases landed on October 30, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Cross Math | Operandi |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/cross-math-math-game/id6636473965/reviews)** | — |
| Number of ratings | **1.3K** | — |
| Positive reviews | 76.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 92 MB | 42 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joy Star Games](https://appshunter.io/developer/1762773198) | [claudio pellegrino](https://appshunter.io/developer/1896731355) |

## What reviewers say

### Cross Math

[App page](https://appshunter.io/ios/app/cross-math-math-game/id6636473965)

Engage your mind with a math puzzle game that uses addition, subtraction, multiplication, and division. Progress through increasingly difficult levels, track your performance, and enjoy daily challenges to sharpen your logic and math skills.

**Highlights:** Arithmetic puzzles (add, subtract, multiply, divide), Progressive difficulty levels, Unlimited undo function, In-game hints, Progress statistics, Daily challenges

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Great gameplay and controls
- 💡 Mentally challenging and fun
- 🧠 Helps with math and logical thinking
- 🎮 Enjoyable math game

**What reviewers complain about**

- 🐛 Puzzle errors and unsolvable puzzles
- 🔍 Limited number of expert-level puzzles
- 📢 Excessive ads that are hard to close

**Reported bugs**

- App hanging and crashing when opened multiple times a day
- Ads causing an endless loop and requiring app restart

**Requested features**

- Ability to pay to remove ads
- Option to purchase hints


### Operandi

[App page](https://appshunter.io/ios/app/operandi-number-puzzle-game/id6792473833)

**In-app purchases:** none


## Frequently asked questions

### Is Cross Math free?

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

### Is Operandi free?

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

### Do Cross Math or Operandi have ads?

Both Cross Math and Operandi show ads.

### Which is updated more often, Cross Math or Operandi?

Cross Math ships an update every 10 days, and Operandi weekly. Most recently, Cross Math was updated on October 30, 2026 and Operandi on October 8, 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.*