# Eikata vs Sentence Monster

The clearest difference is in-app purchases: Sentence Monster at none against Eikata's 6. Sentence Monster also leads on iOS requirement (15.1 vs 17.0). Eikata's advantage is update cadence (daily vs every 3 weeks). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. Eikata sells 6 in-app purchases, starting at $2.99 per month. Sentence Monster asks for nothing beyond the download.

Eikata ships an update daily, Sentence Monster every 3 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Eikata | Sentence Monster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.5 (2 ratings)](https://appshunter.io/ios/app/sentence-monster/id6769966713/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 35 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Starcrown Inc](https://appshunter.io/developer/1082624152) | [MINHYEONG YU](https://appshunter.io/developer/1896704546) |

## What reviewers say

### Eikata

[App page](https://appshunter.io/ios/app/eikata-english-patterns/id6761698317)

Master essential English sentence patterns through a structured, age-based curriculum. Interactive quizzes and daily streak tracking aid retention, mimicking how native children acquire language.

**Highlights:** Age-based pattern progression, Native-like acquisition order, Fill-in-the-blank quizzes, Daily streak tracking, Recorded English audio, Learn one pattern daily

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Eikata Plus Monthly | $2.99 | per month |
| Eikata Plus Yearly | $17.99 | per year |
| Coffee Tip | $0.49 | one-time |
| Cookie Tip | $2.99 | one-time |
| Eikata Pro | $4.99 | one-time |
| Cake Tip | $6.99 | one-time |


### 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 Eikata free?

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

### Is Sentence Monster free?

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

### Do Eikata or Sentence Monster have ads?

Neither Eikata nor Sentence Monster shows ads.

### Which is updated more often, Eikata or Sentence Monster?

Eikata ships an update daily, and Sentence Monster every 3 weeks. Most recently, Eikata was updated on October 24, 2026 and Sentence Monster on October 25, 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.*