# Stack & Fill vs PoPGrid

Stack & Fill and PoPGrid are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Stack & Fill ships an update every 9 days, PoPGrid every 10 days. The most recent releases landed on September 11, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Stack & Fill | PoPGrid |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 9 days** | Every 10 days |
| Monetization | Ad-supported | — |
| Size | 257 MB | 125 MB |
| Requires iOS | 13.0 | **12.4** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Carlton Forrester](https://appshunter.io/developer/1163317954) | [Hyeyoung Lim](https://appshunter.io/developer/1624407273) |

## What reviewers say

### Stack & Fill

[App page](https://appshunter.io/ios/app/stack-and-fill/id6755960530)

Tap cubes to fill spaces with matching colors and advance through stages. This puzzle game requires strategic thinking and planning to complete levels. Only the most skilled players can progress.

**Highlights:** Color matching gameplay, Space filling puzzles, Stage progression, Strategic planning, Skill-based challenges

**Features:** macOS Compatibility

**In-app purchases:** none


### PoPGrid

[App page](https://appshunter.io/ios/app/popgrid-puzzle-blocks/id6757603677)

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

**In-app purchases:** none


## Frequently asked questions

### Is Stack & Fill free?

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

### Is PoPGrid free?

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

### Do Stack & Fill or PoPGrid have ads?

Both Stack & Fill and PoPGrid show ads.

### Which is updated more often, Stack & Fill or PoPGrid?

Stack & Fill ships an update every 9 days, and PoPGrid every 10 days. Most recently, Stack & Fill was updated on September 11, 2026 and PoPGrid on September 10, 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.*