# Spaced Repetition Tracker vs Skill Decay Tracker

Spaced Repetition Tracker and Skill Decay Tracker are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Spaced Repetition Tracker sells 4 in-app purchases, starting at $5.99 per month and Skill Decay Tracker sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Spaced Repetition Tracker | Skill Decay Tracker |
| --- | --- | --- |
| 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 | 6 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alessandro Pace](https://appshunter.io/developer/1635839308) | [Pavel Kulitski](https://appshunter.io/developer/1890472685) |

## 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 |


### Skill Decay Tracker

[App page](https://appshunter.io/ios/app/skill-decay-tracker/id6761617003)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $5.99 | per month |
| Pro Annual | $59.99 | per year |


## Frequently asked questions

### Is Spaced Repetition Tracker free?

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

### Is Skill Decay Tracker free?

Skill Decay Tracker is free to download, with in-app purchases available.

### Do Spaced Repetition Tracker or Skill Decay Tracker have ads?

Neither Spaced Repetition Tracker nor Skill Decay Tracker 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.*