# Patter vs Setsumei

The clearest difference is update cadence: Patter at every 11 days against Setsumei's every 3 weeks. On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Patter sells 6 in-app purchases, starting at $0.99 per month and Setsumei sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Patter ships an update every 11 days, Setsumei every 3 weeks. The most recent releases landed on October 7, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Patter | Setsumei |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/patter-ai-language-chat/id6762643113/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 75 MB | 164 MB |
| Requires iOS | 18.6 | **18.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [David Vilaverde](https://appshunter.io/developer/1493782863) | [Igor Kulman](https://appshunter.io/developer/1859561306) |

## What reviewers say

### Patter

[App page](https://appshunter.io/ios/app/patter-ai-language-chat/id6762643113)

Practice real conversations in over 10 languages with AI personas. Get instant, contextual corrections without judgment. Ideal for adult learners who want to move beyond basic phrases and build conversational fluency.

**Highlights:** AI conversation practice, In-moment corrections with explanations, Multiple AI personas, Translation assist, Voice dictation, Vocabulary list, Optional daily goals

**Features:** Family Sharing

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Day Tripper | $0.99 | per month |
| Explorer | $1.99 | per month |
| Resident | $2.99 | per month |
| Expat Family | $6.99 | per month |
| 100 Patter Credits | $0.99 | one-time |
| Bring Your Own AI Keys | $4.99 | one-time |


### Setsumei

[App page](https://appshunter.io/ios/app/setsumei/id6797044009)

This app breaks down Japanese sentences into understandable grammar lessons. It highlights grammar points, provides pronunciations, and offers plain-English explanations. Users can save and review grammar points in context, with an offline sentence library available.

**Highlights:** Grammar highlighting in sentences, Word pronunciations and dictionary forms, Plain-English explanations and examples, Offline Japanese-English sentence library, Save and review grammar points, JLPT level estimation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Setsumei Premium | $14.99 | one-time |


## Frequently asked questions

### Is Patter free?

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

### Is Setsumei free?

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

### Do Patter or Setsumei have ads?

Neither Patter nor Setsumei shows ads.

### Which is updated more often, Patter or Setsumei?

Patter ships an update every 11 days, and Setsumei every 3 weeks. Most recently, Patter was updated on October 7, 2026 and Setsumei 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.*