# Image Saliency vs Face Authenticator

The clearest difference is ads: Face Authenticator at none against Image Saliency's shown. Face Authenticator also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.7.2). On price, update cadence 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.

Both ship on a similar rhythm, roughly fortnightly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | Image Saliency | Face Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | Fortnightly |
| Size | 38 MB | 74 MB |
| Requires iOS | 17.7.2 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Face Technology Sdn.Bhd](https://appshunter.io/developer/1836630042) |

## What reviewers say

### Image Saliency

[App page](https://appshunter.io/ios/app/image-saliency/id6511211544)

**Features:** macOS Compatibility

**In-app purchases:** none


### Face Authenticator

[App page](https://appshunter.io/ios/app/face-authenticator/id6751752500)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Image Saliency free?

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

### Is Face Authenticator free?

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

### Do Image Saliency or Face Authenticator have ads?

Image Saliency shows ads; Face Authenticator does not.

### Which is updated more often, Image Saliency or Face Authenticator?

Image Saliency ships an update fortnightly, and Face Authenticator fortnightly. Most recently, Image Saliency was updated on November 4, 2026 and Face Authenticator on November 8, 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.*