# Summon [Lab11] vs Image Saliency

The clearest difference is ads: Summon [Lab11] at none against Image Saliency's shown. Summon [Lab11] also leads on device support (4 vs 1) and iOS requirement (11.0 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 October 7, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Summon [Lab11] | Image Saliency |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | Fortnightly |
| Size | 18 MB | 38 MB |
| Requires iOS | **11.0** | 17.7.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Thomas Zachariah](https://appshunter.io/developer/1051205681) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Summon [Lab11]

[App page](https://appshunter.io/ios/app/summon-lab11/id1051205682)

**In-app purchases:** none


### Image Saliency

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Summon [Lab11] free?

Summon [Lab11] is free to download, with no in-app purchases.

### Is Image Saliency free?

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

### Do Summon [Lab11] or Image Saliency have ads?

Image Saliency shows ads; Summon [Lab11] does not.

### Which is updated more often, Summon [Lab11] or Image Saliency?

Summon [Lab11] ships an update fortnightly, and Image Saliency fortnightly. Most recently, Summon [Lab11] was updated on October 7, 2026 and Image Saliency on October 1, 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.*