# iPolynomes X² vs Calcache, Math facts puzzles

The clearest difference is update cadence: iPolynomes X² at fortnightly against Calcache, Math facts puzzles's every 15 months. iPolynomes X² also leads on price ($0.99 vs $1.99) and iOS requirement (6.0 vs 13.0). On ads, in-app purchases and device support there is nothing between them.

iPolynomes X² costs $0.99 and Calcache, Math facts puzzles $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

iPolynomes X² ships an update fortnightly, Calcache, Math facts puzzles every 15 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | iPolynomes X² | Calcache, Math facts puzzles |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 15 months |
| Size | 1 MB | 22 MB |
| Requires iOS | **6.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [J&B Developpement](https://appshunter.io/developer/467963911) | [RX Labz](https://appshunter.io/developer/1223459761) |

## What reviewers say

### iPolynomes X²

[App page](https://appshunter.io/ios/app/ipolynomes-x/id577979728)

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

**In-app purchases:** none


### Calcache, Math facts puzzles

[App page](https://appshunter.io/ios/app/calcache-math-facts-puzzles/id1529890772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iPolynomes X² free?

iPolynomes X² costs $0.99, with no in-app purchases.

### Is Calcache, Math facts puzzles free?

Calcache, Math facts puzzles costs $1.99, with no in-app purchases.

### Do iPolynomes X² or Calcache, Math facts puzzles have ads?

Neither iPolynomes X² nor Calcache, Math facts puzzles shows ads.

### Which is updated more often, iPolynomes X² or Calcache, Math facts puzzles?

iPolynomes X² ships an update fortnightly, and Calcache, Math facts puzzles every 15 months. Most recently, iPolynomes X² was updated on November 1, 2026 and Calcache, Math facts puzzles on November 7, 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.*