# Lets pop it vs Stack Fill

The clearest difference is in-app purchases: Stack Fill at none against Lets pop it's 1. Stack Fill also leads on update cadence (every 3 days vs every 3 months). Lets pop it's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lets pop it sells 1 one-off in-app purchase. Stack Fill asks for nothing beyond the download.

Lets pop it ships an update every 3 months, Stack Fill every 3 days. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Lets pop it | Stack Fill |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 3 days** |
| Size | 177 MB | 104 MB |
| Requires iOS | 12.0 | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Stfalcon](https://appshunter.io/developer/1639059408) | [Huseyin Bener Bozkurt](https://appshunter.io/developer/1503888821) |

## What reviewers say

### Lets pop it

[App page](https://appshunter.io/ios/app/lets-pop-it-fidget-puzzle/id6449355702)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | one-time |


### Stack Fill

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lets pop it free?

Lets pop it is free to download, with in-app purchases available.

### Is Stack Fill free?

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

### Do Lets pop it or Stack Fill have ads?

Stack Fill shows ads; Lets pop it does not.

### Which is updated more often, Lets pop it or Stack Fill?

Lets pop it ships an update every 3 months, and Stack Fill every 3 days. Most recently, Lets pop it was updated on October 10, 2026 and Stack Fill 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.*