# Stack Fill vs PhotoClue

The clearest difference is in-app purchases: Stack Fill at none against PhotoClue's 5. Stack Fill also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.5). PhotoClue's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. PhotoClue sells 5 one-off in-app purchases. Stack Fill asks for nothing beyond the download.

Stack Fill ships an update every 3 days, PhotoClue every 4 days. The most recent releases landed on October 1, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Stack Fill | PhotoClue |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 4 days |
| Size | 104 MB | 11 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Huseyin Bener Bozkurt](https://appshunter.io/developer/1503888821) | [SquidWeb](https://appshunter.io/developer/1801489583) |

## What reviewers say

### Stack Fill

[App page](https://appshunter.io/ios/app/stack-fill/id6741890183)

**Features:** macOS Compatibility

**In-app purchases:** none


### PhotoClue

[App page](https://appshunter.io/ios/app/photoclue/id6748281880)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Diamonds - Small | $1.99 | one-time |
| Coins - Small | $1.99 | one-time |
| No Ads | $4.99 | one-time |
| Diamonds - Large | $4.99 | one-time |
| Coins - Large | $4.99 | one-time |


## Frequently asked questions

### Is Stack Fill free?

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

### Is PhotoClue free?

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

### Do Stack Fill or PhotoClue have ads?

Stack Fill shows ads; PhotoClue does not.

### Which is updated more often, Stack Fill or PhotoClue?

Stack Fill ships an update every 3 days, and PhotoClue every 4 days. Most recently, Stack Fill was updated on October 1, 2026 and PhotoClue on October 7, 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.*