# u vs AnnoReader

The clearest difference is review sentiment: AnnoReader at 69% against u's 10%. AnnoReader also leads on update cadence (monthly vs every 3 months). u's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. u sells 2 one-off in-app purchases and AnnoReader sells 4 in-app purchases, starting at $1.49 per month. Whichever you choose, the download price is not the number that matters.

u ships an update every 3 months, AnnoReader monthly. The most recent releases landed on October 9, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | u | AnnoReader |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 10.0% of reviews | **69.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 22 MB | 95 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Asahipress Co., Ltd.](https://appshunter.io/developer/465908709) | [Hironobu Saito](https://appshunter.io/developer/1557456154) |

## What reviewers say

### u

[App page](https://appshunter.io/ios/app/u-cat/id537137825)

This app offers English language learning with personalized weak point training based on simulated tests. It provides detailed analysis and adaptive learning paths to improve scores for all levels. It can be used on smartphones and synced with a PC for a comprehensive study experience.

**Highlights:** Simulated English tests, Personalized weak point analysis, Adaptive learning paths, Score and detailed report generation, PC synchronization, Offline test interruption and restart

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TOEIC標準模試＋ | $26.99 | one-time |
| TOEIC標準模試＋ | $33.99 | one-time |


### AnnoReader

[App page](https://appshunter.io/ios/app/annoreader/id1557456152)

This app visually breaks down English sentences to improve grammar understanding and reading comprehension. It offers annotation, translation, and text-to-speech features to aid learners in mastering sentence structure and fluency.

**Highlights:** Visual syntax analysis of sentences, Phrase and clause translation, Text-to-speech with accent options, AI grammar checking, OCR for text capture, Dictionary lookup and phrasal verb meanings

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic(monthly) | $1.49 | per month |
| Basic Plus(Monthly) | $3.49 | per month |
| Pro(Monthly) | $4.99 | per month |
| Pro Plus (Monthly) | $11.99 | per month |


## Frequently asked questions

### Is u free?

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

### Is AnnoReader free?

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

### Do u or AnnoReader have ads?

AnnoReader shows ads; u does not.

### Which is updated more often, u or AnnoReader?

u ships an update every 3 months, and AnnoReader monthly. Most recently, u was updated on October 9, 2026 and AnnoReader on October 7, 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.*