# Thought Saver vs Migaku

The clearest difference is in-app purchases: Thought Saver at none against Migaku's 10. Thought Saver also leads on rating (4.9 vs 4.4) and review sentiment (100% vs 73%). Migaku's advantage is ratings volume (378 vs 14). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Migaku sells 9 in-app purchases, starting at $14.00 per month. Thought Saver asks for nothing beyond the download.

Thought Saver holds the better App Store score, 4.9 against 4.4. That said, the two scores are not equally well evidenced: Migaku has 378 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 100% of Thought Saver's written reviews are positive against 73% of Migaku's.

Thought Saver ships an update every 11 days, Migaku weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | Thought Saver | Migaku |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/thought-saver-daily-routine/id1643089730/reviews)** | [4.4 (378 ratings)](https://appshunter.io/ios/app/migaku-really-learn-languages/id1664096855/reviews) |
| Number of ratings | 14 | **378** |
| Positive reviews | **100.0% of reviews** | 73.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 41 MB | 1.9 GB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 17+ |
| Developer | [SparkWave](https://appshunter.io/developer/1385740391) | [Migaku Inc.](https://appshunter.io/developer/1625577898) |

## What reviewers say

### Thought Saver

[App page](https://appshunter.io/ios/app/thought-saver-daily-routine/id1643089730)

This app helps you build a better daily routine with tools like meditation timers, journaling, and chatbots. It also uses spaced repetition to help you remember important ideas and offers daily quizzes and pre-made flashcard decks for learning.

**Highlights:** Daily routine integration, Spaced repetition algorithm, Meditation timers, Gratitude journaling, Interactive chatbots, Daily quizzes, Flashcard decks

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

**In-app purchases:** none


### Migaku

[App page](https://appshunter.io/ios/app/migaku-really-learn-languages/id1664096855)

This app helps you learn languages by making content interactive. Click words in subtitles or text to get definitions, create flashcards, and personalize study sessions. It focuses on high-frequency words for efficient learning.

**Highlights:** Interactive subtitles for YouTube, One-click media-rich flashcard creation, Personalized study sessions, Data-driven courses for beginners, Word frequency-based vocabulary learning, AI sentence breakdown and explanations

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Migaku Standard | $14.00 | per month |
| Migaku Standard | $14.00 | per month |
| Early Access | $21.00 | per month |
| Migaku Standard | $136.99 | per year |
| Migaku Standard | $136.99 | per year |
| Early Access | $179.99 | per year |
| Lifetime | $289.00 | one-time |
| Lifetime | $344.99 | one-time |
| Lifetime | $359.00 | one-time |

**What reviewers like**

- 🚀 Effective and convenient language learning
- 👍 Intuitive and visually appealing interface
- 🎓 Comprehensive courses and lessons
- 💡 Seamless integration with streaming platforms
- 🗣️ Helpful pronunciation and pitch accent features

**What reviewers complain about**

- 🐛 Occasional crashes and stability issues
- 🔒 Lack of free trial or free plan options
- 💰 Expensive subscription model
- 🤖 Inconsistent performance of AI-powered features
- 🔌 High storage and battery consumption on mobile

**Reported bugs**

- Unable to create new accounts in the app
- Broken kanji course with empty cards
- Inconsistent behavior when switching between apps

**Requested features**

- Offline mode for learning on the go
- Expanded support for more languages
- Better integration with Anki and other SRS apps
- More customization options for flashcards and reviews


## Frequently asked questions

### Is Thought Saver free?

Thought Saver is free to download, with no in-app purchases.

### Is Migaku free?

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

### Which has better reviews, Thought Saver or Migaku?

Thought Saver is rated higher. Thought Saver averages 4.9 out of 5 from 14 ratings, while Migaku averages 4.4 from 378 ratings.

### Do Thought Saver or Migaku have ads?

Neither Thought Saver nor Migaku shows ads.

### Which is updated more often, Thought Saver or Migaku?

Thought Saver ships an update every 11 days, and Migaku weekly. Most recently, Thought Saver was updated on November 3, 2026 and Migaku on November 3, 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.*