# Note Flash vs Sentence Monster

The clearest difference is price: Sentence Monster at Free against Note Flash's $0.99. Sentence Monster also leads on update cadence (every 3 weeks vs every 15 months) and iOS requirement (15.1 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Sentence Monster is free to download; Note Flash costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Note Flash ships an update every 15 months, Sentence Monster every 3 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Note Flash | Sentence Monster |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/sentence-monster/id6769966713/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 3 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 147 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [星翰 朱](https://appshunter.io/developer/1440699368) | [MINHYEONG YU](https://appshunter.io/developer/1896704546) |

## What reviewers say

### Note Flash

[App page](https://appshunter.io/ios/app/note-flash-music-reading/id6497068802)

**Features:** Vision Pro support

**In-app purchases:** none


### Sentence Monster

[App page](https://appshunter.io/ios/app/sentence-monster/id6769966713)

This app helps language learners improve their writing skills by practicing vocabulary in context. It provides personalized sentence-writing exercises, feedback on accuracy, and targeted reviews for words that need more attention. The goal is to build active recall and confidence in using new words.

**Highlights:** Sentence-based vocabulary practice, Personalized review of mistakes, AI-generated sentence assignments, Writing feedback for accuracy, Progress and vocabulary insights, Support for multiple learning languages

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

**In-app purchases:** none


## Frequently asked questions

### Is Note Flash free?

Note Flash costs $0.99, with no in-app purchases.

### Is Sentence Monster free?

Sentence Monster is free to download, with no in-app purchases.

### Do Note Flash or Sentence Monster have ads?

Neither Note Flash nor Sentence Monster shows ads.

### Which is updated more often, Note Flash or Sentence Monster?

Note Flash ships an update every 15 months, and Sentence Monster every 3 weeks. Most recently, Note Flash was updated on November 8, 2026 and Sentence Monster on November 5, 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.*