# Puissance J, méthode des Js vs Helix

The clearest difference is in-app purchases: Helix at none against Puissance J, méthode des Js's 1. Helix also leads on update cadence (fortnightly vs every 4 months). Puissance J, méthode des Js's advantage is iOS requirement (12.0 vs 15.1). On price, ads and device support there is nothing between them.

Both are free to download. Puissance J, méthode des Js sells 1 one-off in-app purchase. Helix asks for nothing beyond the download.

Puissance J, méthode des Js ships an update every 4 months, Helix fortnightly. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Puissance J, méthode des Js | Helix |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 34 MB | 30 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Pierre-Antoine Peron](https://appshunter.io/developer/1434230573) | [Valentin Bechameil](https://appshunter.io/developer/1892662343) |

## What reviewers say

### Puissance J, méthode des Js

[App page](https://appshunter.io/ios/app/puissance-j-methode-des-js/id6698867070)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Accès illimité à vie | $3.99 | one-time |


### Helix

[App page](https://appshunter.io/ios/app/helix-methode-des-j/id6762047448)

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

**In-app purchases:** none


## Frequently asked questions

### Is Puissance J, méthode des Js free?

Puissance J, méthode des Js is free to download, with in-app purchases available.

### Is Helix free?

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

### Do Puissance J, méthode des Js or Helix have ads?

Neither Puissance J, méthode des Js nor Helix shows ads.

### Which is updated more often, Puissance J, méthode des Js or Helix?

Puissance J, méthode des Js ships an update every 4 months, and Helix fortnightly. Most recently, Puissance J, méthode des Js was updated on October 27, 2026 and Helix on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*