# Arbiter vs teemoon

The clearest difference is in-app purchases: teemoon at none against Arbiter's 4. teemoon also leads on update cadence (weekly vs fortnightly). Arbiter's advantage is ratings volume (16 vs 2). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Arbiter sells 4 one-off in-app purchases. teemoon asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Arbiter against 5.0 for teemoon. That said, the two scores are not equally well evidenced: Arbiter has 16 ratings behind it against 2, so its average is the more settled of the two.

Arbiter ships an update fortnightly, teemoon weekly. The most recent releases landed on October 8, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Arbiter | teemoon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (16 ratings)](https://appshunter.io/ios/app/arbiter-local-ai-chat/id6747954532/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/teemoon/id6762371161/reviews)** |
| Number of ratings | **16** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | Free |
| Size | 40 MB | 118 MB |
| Requires iOS | **18.4** | 18.6 |
| Devices | **iPhone, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Jordan Stone](https://appshunter.io/developer/1823554814) | [ringzero ventures, LLC](https://appshunter.io/developer/1893961295) |

## What reviewers say

### Arbiter

[App page](https://appshunter.io/ios/app/arbiter-local-ai-chat/id6747954532)

This privacy-focused AI assistant operates entirely on your device, offering offline functionality. Choose from various open-source models to suit your needs, with all conversations securely stored locally. It's ideal for brainstorming, proofreading, and exploring AI capabilities without data collection.

**Highlights:** On-device AI processing, Offline model execution, Document summarization, Privacy-focused design, Multiple AI model selection, Local data storage

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $9.99 | one-time |
| Extra Large Tip | $19.99 | one-time |


### teemoon

[App page](https://appshunter.io/ios/app/teemoon/id6762371161)

This app enables private AI chat by running models directly on your device or connecting to your own computer. It supports various local and cloud-based AI models, ensuring your conversations remain on your phone with no account or analytics.

**Highlights:** Private AI chat, On-device model execution, Connect to own computer, Bring-your-own-key support, No account or subscription, Open source

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

**In-app purchases:** none


## Frequently asked questions

### Is Arbiter free?

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

### Is teemoon free?

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

### Which has better reviews, Arbiter or teemoon?

teemoon is rated higher. Arbiter averages 4.9 out of 5 from 16 ratings, while teemoon averages 5.0 from 2 ratings.

### Do Arbiter or teemoon have ads?

Neither Arbiter nor teemoon shows ads.

### Which is updated more often, Arbiter or teemoon?

Arbiter ships an update fortnightly, and teemoon weekly. Most recently, Arbiter was updated on October 8, 2026 and teemoon on October 18, 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.*