# LocalAI vs Polygraph AI

The clearest difference is update cadence: Polygraph AI at every 2 days against LocalAI's every 3 weeks. Polygraph AI also leads on iOS requirement (15.0 vs 17.0). 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.

LocalAI ships an update every 3 weeks, Polygraph AI every 2 days. The most recent releases landed on September 14, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | LocalAI | Polygraph AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/localai-stable-diffusion/id6769394498/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 882 MB | 31 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [音格日乐 白](https://appshunter.io/developer/1896643352) | [Andres Saiz Ruiperez](https://appshunter.io/developer/6781788677) |

## What reviewers say

### LocalAI

[App page](https://appshunter.io/ios/app/localai-stable-diffusion/id6769394498)

Generate AI art directly on your iPhone or iPad using your device's chip. This app allows for private image creation without relying on remote services, offering a fee-free experience to bring your imagination to life.

**Highlights:** On-device AI image generation, Private creation, no remote service, Free to use, Supports iPhone and iPad, Generates images from imagination

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

**In-app purchases:** none


### Polygraph AI

[App page](https://appshunter.io/ios/app/polygraph-ai-lie-analysis/id6796011746)

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

**In-app purchases:** none


## Frequently asked questions

### Is LocalAI free?

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

### Is Polygraph AI free?

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

### Do LocalAI or Polygraph AI have ads?

Both LocalAI and Polygraph AI show ads.

### Which is updated more often, LocalAI or Polygraph AI?

LocalAI ships an update every 3 weeks, and Polygraph AI every 2 days. Most recently, LocalAI was updated on September 14, 2026 and Polygraph AI on September 13, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*