# pocket/grammer vs Un Bien

The clearest difference is in-app purchases: Un Bien at none against pocket/grammer's 1. Un Bien also leads on update cadence (weekly vs every 3 weeks). pocket/grammer's advantage is iOS requirement (15.5 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. pocket/grammer sells 1 one-off in-app purchase. Un Bien asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for pocket/grammer against 5.0 for Un Bien. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

pocket/grammer ships an update every 3 weeks, Un Bien weekly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | pocket/grammer | Un Bien |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pocketgrammer/id6762562983/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/un-bien/id6807171218/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Freemium | **Free** |
| Size | 80 MB | 7 MB |
| Requires iOS | **15.5** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 17+ | 4+ |
| Developer | [CHRISTOPHER MICHAEL STAATS](https://appshunter.io/developer/1894688360) | [George Harker](https://appshunter.io/developer/6807171220) |

## What reviewers say

### pocket/grammer

[App page](https://appshunter.io/ios/app/pocketgrammer/id6762562983)

Leverage the power of local AI on your iPhone to generate code, websites, and apps. This tool allows for agentic coding, creating files and folders, and previewing your work before deployment. It offers a private and secure coding experience without relying on cloud servers.

**Highlights:** Local AI code generation, Website and app creation, Agentic coding with file creation, Project import and export, Code preview, Model selection from Hugging Face, Private and secure on-device operation

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Desktop Client Unlock | $19.99 | one-time |


### Un Bien

[App page](https://appshunter.io/ios/app/un-bien/id6807171218)

A native client for the Pi coding agent, allowing users to connect to their own machines. It provides live transcripts, inline images, and interactive prompts for clarifications. The app is self-hosted with no cloud, account, or telemetry.

**Highlights:** Live transcripts with styled edit diffs, Inline images and thinking blocks, Plan & subagent panels, Interactive prompt for clarifications, Launch new sessions on paired machines, Self-hosted design with no cloud or telemetry

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is pocket/grammer free?

pocket/grammer is free to download, with in-app purchases available.

### Is Un Bien free?

Un Bien is free to download, with no in-app purchases.

### Which has better reviews, pocket/grammer or Un Bien?

pocket/grammer and Un Bien are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do pocket/grammer or Un Bien have ads?

Neither pocket/grammer nor Un Bien shows ads.

### Which is updated more often, pocket/grammer or Un Bien?

pocket/grammer ships an update every 3 weeks, and Un Bien weekly. Most recently, pocket/grammer was updated on November 9, 2026 and Un Bien on November 6, 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.*