# Memorize By Heart vs Study Timer Study Rainbow

The clearest difference is ads: Study Timer Study Rainbow at none against Memorize By Heart's shown. Study Timer Study Rainbow also leads on update cadence (every 5 days vs fortnightly). Memorize By Heart's advantage is iOS requirement (16.4 vs 26.4). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Memorize By Heart sells 4 in-app purchases, starting at $4.99 per month and Study Timer Study Rainbow sells 4 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

Memorize By Heart ships an update fortnightly, Study Timer Study Rainbow every 5 days. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Memorize By Heart | Study Timer Study Rainbow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (2.4K ratings)](https://appshunter.io/ios/app/memorize-by-heart/id1436935583/reviews)** | — |
| Number of ratings | **2.4K** | — |
| Positive reviews | 76.1% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Freemium | — |
| Size | 126 MB | 37 MB |
| Requires iOS | **16.4** | 26.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Craig Walker](https://appshunter.io/developer/1278034350) | [Toshiaki Nakamura](https://appshunter.io/developer/822485897) |

## What reviewers say

### Memorize By Heart

[App page](https://appshunter.io/ios/app/memorize-by-heart/id1436935583)

This app helps you learn and retain any text, from poems and scripts to study material. It uses proven techniques like letter removal, fill-in-the-blanks, and spaced repetition to strengthen recall and long-term memory. Collaborate with others for added motivation and accountability.

**Highlights:** Letter and word removal for familiarity, Fill-in-the-blank and unscramble exercises, Spaced repetition for long-term memory, Group memorization and progress tracking, Text-to-speech for auditory learning, Multi-language support

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 month | $4.99 | per month |
| 6 months | $9.99 | per 6 months |
| 12 months | $19.99 | per year |
| Lifetime | $49.99 | one-time |

**What reviewers like**

- 👍 Helpful for memorization
- 🚀 Efficient memorization process
- 💡 Variety of memorization techniques
- 👍 Easy to use
- 👍 Good for studying and learning

**What reviewers complain about**

- 🐛 App crashes or bugs
- 🔒 Paywall limits free features
- 🔒 Lack of customization options
- 🐛 Voice recognition issues
- 🐛 Syncing problems across devices

**Reported bugs**

- App crashes or freezes
- Syncing issues between devices
- Slider feature not working properly with non-English text
- Save button hidden behind keyboard

**Requested features**

- Add more free features
- Improve voice recognition accuracy
- Allow reordering and organizing of memorizations
- Provide more customization options
- Add support for more languages


### Study Timer Study Rainbow

[App page](https://appshunter.io/ios/app/study-timer-study-rainbow/id6780163715)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Student Support Monthly | $0.49 | per month |
| Plus Monthly | $1.99 | per month |
| Student Support Yearly | $5.99 | per year |
| Plus Yearly | $19.99 | per year |


## Frequently asked questions

### Is Memorize By Heart free?

Memorize By Heart is free to download, with in-app purchases available.

### Is Study Timer Study Rainbow free?

Study Timer Study Rainbow is free to download, with in-app purchases available.

### Do Memorize By Heart or Study Timer Study Rainbow have ads?

Memorize By Heart shows ads; Study Timer Study Rainbow does not.

### Which is updated more often, Memorize By Heart or Study Timer Study Rainbow?

Memorize By Heart ships an update fortnightly, and Study Timer Study Rainbow every 5 days. Most recently, Memorize By Heart was updated on September 28, 2026 and Study Timer Study Rainbow on September 18, 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.*