# Spaced Repetition Tracker vs Unbox Learning

The clearest difference is iOS requirement: Unbox Learning at 15.5 against Spaced Repetition Tracker's 17.0. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Spaced Repetition Tracker sells 4 in-app purchases, starting at $5.99 per month and Unbox Learning sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Spaced Repetition Tracker | Unbox Learning |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/spaced-repetition-tracker/id6478831271/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 93.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Monetization | Free with in-app purchases | — |
| Size | 50 MB | 144 MB |
| Requires iOS | 17.0 | **15.5** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Pace](https://appshunter.io/developer/1635839308) | [Online Learning](https://appshunter.io/developer/1790866777) |

## What reviewers say

### Spaced Repetition Tracker

[App page](https://appshunter.io/ios/app/spaced-repetition-tracker/id6478831271)

This app helps you retain more information from your study sessions. Log your study time, rate the difficulty of material, and utilize spaced repetition for effective review. Organize your learning by subject and track your progress to build a consistent study habit.

**Highlights:** Organize topics by subject, Log study sessions quickly, Rate difficulty after study blocks, Track progress and consistency, Review with spaced repetition

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Yearly | $29.99 | per year |
| Unlimited Access (Family) | $34.99 | one-time |
| Unlimited Access | $49.99 | one-time |


### Unbox Learning

[App page](https://appshunter.io/ios/app/unbox-learning/id6504238633)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Package - BD | $39.99 | one-time |
| Package - BA | $39.99 | one-time |
| Package - AW | $39.99 | one-time |
| Package - AY | $39.99 | one-time |
| Package - BC | $39.99 | one-time |
| Package - BB | $39.99 | one-time |
| Package - BE | $44.99 | one-time |
| Package - BH | $49.99 | one-time |
| Package - BG | $49.99 | one-time |
| Package - BF | $49.99 | one-time |


## Frequently asked questions

### Is Spaced Repetition Tracker free?

Spaced Repetition Tracker is free to download, with in-app purchases available.

### Is Unbox Learning free?

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

### Do Spaced Repetition Tracker or Unbox Learning have ads?

Neither Spaced Repetition Tracker nor Unbox Learning shows ads.

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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.*