# Ebbinghaus Planner vs SOL Galaxy

The clearest difference is in-app purchases: SOL Galaxy at none against Ebbinghaus Planner's 4. Ebbinghaus Planner's advantage is update cadence (every 10 days vs every 5 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Ebbinghaus Planner sells 4 in-app purchases, starting at $2.99 per month. SOL Galaxy asks for nothing beyond the download.

Ebbinghaus Planner ships an update every 10 days, SOL Galaxy every 5 weeks. The most recent releases landed on October 9, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Ebbinghaus Planner | SOL Galaxy |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (14 ratings)](https://appshunter.io/ios/app/ebbinghaus-planner-studyplan/id1578268926/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 95.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Every 10 days** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 39 MB | 6 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SeungGi Lee](https://appshunter.io/developer/1526667403) | [MadePure Media Corp.](https://appshunter.io/developer/1467026823) |

## What reviewers say

### Ebbinghaus Planner

[App page](https://appshunter.io/ios/app/ebbinghaus-planner-studyplan/id1578268926)

This app helps you memorize information efficiently by scheduling reviews based on the forgetting curve. It automates the process of recalling vocabulary, formulas, and other data at optimal times, reducing the need for manual scheduling and ensuring you never miss a review session.

**Highlights:** Automatic review scheduling, Subject and item management, Today's tasks view, Customizable notifications, Progress visualization, Simple and intuitive interface

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $2.99 | per month |
| Monthly | $2.99 | per month |
| Yearly | $19.99 | per year |
| Yearly | $19.99 | per year |


### SOL Galaxy

[App page](https://appshunter.io/ios/app/sol-galaxy-study-focus-timer/id6766345266)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Ebbinghaus Planner free?

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

### Is SOL Galaxy free?

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

### Do Ebbinghaus Planner or SOL Galaxy have ads?

Both Ebbinghaus Planner and SOL Galaxy show ads.

### Which is updated more often, Ebbinghaus Planner or SOL Galaxy?

Ebbinghaus Planner ships an update every 10 days, and SOL Galaxy every 5 weeks. Most recently, Ebbinghaus Planner was updated on October 9, 2026 and SOL Galaxy on October 11, 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.*