# Whaller Polytechnique vs RayOnn

The clearest difference is in-app purchases: Whaller Polytechnique at none against RayOnn's 2. RayOnn's advantage is update cadence (every 3 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. RayOnn sells 2 in-app purchases, starting at $4.99 per month. Whaller Polytechnique asks for nothing beyond the download.

Whaller Polytechnique ships an update monthly, RayOnn every 3 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Whaller Polytechnique | RayOnn |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | — | Freemium |
| Size | 115 MB | 54 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 12+ |
| Developer | [Whaller](https://appshunter.io/developer/860673959) | [Elie de Baudus](https://appshunter.io/developer/6780266773) |

## What reviewers say

### Whaller Polytechnique

[App page](https://appshunter.io/ios/app/whaller-polytechnique/id6737478131)

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

**In-app purchases:** none


### RayOnn

[App page](https://appshunter.io/ios/app/rayonn/id6780266771)

This app helps students improve their study habits with clear organization, focused work sessions, and visible progress tracking. Gamified elements like XP and levels, along with social features, make studying more engaging and less stressful.

**Highlights:** To-do list, Daily agenda, Focus timer, Habit tracker, Work statistics, XP, levels, and rewards, Group challenges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Abonnement mensuel | $4.99 | per month |
| Abonnement Annuel | $34.99 | per year |


## Frequently asked questions

### Is Whaller Polytechnique free?

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

### Is RayOnn free?

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

### Do Whaller Polytechnique or RayOnn have ads?

Neither Whaller Polytechnique nor RayOnn shows ads.

### Which is updated more often, Whaller Polytechnique or RayOnn?

Whaller Polytechnique ships an update monthly, and RayOnn every 3 days. Most recently, Whaller Polytechnique was updated on October 5, 2026 and RayOnn on October 15, 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.*