# Polygraph AI vs Sail

The clearest difference is ads: Sail at none against Polygraph AI's shown. Polygraph AI's advantage is update cadence (every 2 days vs weekly) and device support (3 vs 1). On price and in-app purchases there is nothing between them.

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

Polygraph AI ships an update every 2 days, Sail weekly. The most recent releases landed on October 17, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Polygraph AI | Sail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[2.5 (2 ratings)](https://appshunter.io/ios/app/sailpirate-roulette/id6798509352/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 days** | Weekly |
| Size | 31 MB | 32 MB |
| Requires iOS | **15.0** | 18 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Andres Saiz Ruiperez](https://appshunter.io/developer/6781788677) | [M. Maselli And Sons, Inc.](https://appshunter.io/developer/6794408420) |

## What reviewers say

### Polygraph AI

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

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

**In-app purchases:** none


### Sail

[App page](https://appshunter.io/ios/app/sailpirate-roulette/id6798509352)

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

**In-app purchases:** none


## Frequently asked questions

### Is Polygraph AI free?

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

### Is Sail free?

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

### Do Polygraph AI or Sail have ads?

Polygraph AI shows ads; Sail does not.

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

Polygraph AI ships an update every 2 days, and Sail weekly. Most recently, Polygraph AI was updated on October 17, 2026 and Sail on October 24, 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.*