# Planète du jour vs Study Buddy

The clearest difference is price: Planète du jour at Free against Study Buddy's $0.99. Planète du jour also leads on iOS requirement (15.6 vs 17.0). Study Buddy's advantage is update cadence (every 3 days vs every 16 months). On ads, in-app purchases and device support there is nothing between them.

Planète du jour is free to download; Study Buddy costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Planète du jour ships an update every 16 months, Study Buddy every 3 days. The most recent releases landed on November 1, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Planète du jour | Study Buddy |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 16 months | **Every 3 days** |
| Size | 92 MB | 272 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [CROMBEZ Emmanuel](https://appshunter.io/developer/375656695) | [Ona Pacholo Asis](https://appshunter.io/developer/1896650203) |

## What reviewers say

### Planète du jour

[App page](https://appshunter.io/ios/app/planete-du-jour/id995797207)

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

**In-app purchases:** none


### Study Buddy

[App page](https://appshunter.io/ios/app/study-buddy-school-app/id6787674426)

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

**In-app purchases:** none


## Frequently asked questions

### Is Planète du jour free?

Planète du jour is free to download, with no in-app purchases.

### Is Study Buddy free?

Study Buddy costs $0.99, with no in-app purchases.

### Do Planète du jour or Study Buddy have ads?

Neither Planète du jour nor Study Buddy shows ads.

### Which is updated more often, Planète du jour or Study Buddy?

Planète du jour ships an update every 16 months, and Study Buddy every 3 days. Most recently, Planète du jour was updated on November 1, 2026 and Study Buddy on November 5, 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.*