# NIJI Chat vs Sentiens

The clearest difference is update cadence: Sentiens at every 2 days against NIJI Chat's every 9 days. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

NIJI Chat ships an update every 9 days, Sentiens every 2 days. The most recent releases landed on October 19, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | NIJI Chat | Sentiens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sentiens/id6765820679/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 days | **Every 2 days** |
| Monetization | — | Free |
| Size | 29 MB | 145 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [PRASIDDHA THAPALIYA](https://appshunter.io/developer/1892889699) | [BK Kejera](https://appshunter.io/developer/1707608873) |

## What reviewers say

### NIJI Chat

[App page](https://appshunter.io/ios/app/niji-chat/id6762097185)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sentiens

[App page](https://appshunter.io/ios/app/sentiens/id6765820679)

Create and customize your own private AI companion with distinct personalities, evolving memories, and adaptive behaviors. This offline platform offers deep control over your AI's intelligence and data ownership, running entirely on your device.

**Highlights:** Fully offline AI experience, Create and customize Sentien personalities, Dynamic, evolving memory system, Neural voice customization, Vision intelligence for image understanding, Choice of AI model sizes, Private by design with data ownership

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

**In-app purchases:** none


## Frequently asked questions

### Is NIJI Chat free?

NIJI Chat is free to download, with no in-app purchases.

### Is Sentiens free?

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

### Do NIJI Chat or Sentiens have ads?

Neither NIJI Chat nor Sentiens shows ads.

### Which is updated more often, NIJI Chat or Sentiens?

NIJI Chat ships an update every 9 days, and Sentiens every 2 days. Most recently, NIJI Chat was updated on October 19, 2026 and Sentiens on October 9, 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.*