# Fill It Happy vs LowPoly 3D Puzzle

The clearest difference is in-app purchases: LowPoly 3D Puzzle at none against Fill It Happy's 4. LowPoly 3D Puzzle also leads on update cadence (weekly vs monthly). Fill It Happy's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Fill It Happy sells 4 one-off in-app purchases. LowPoly 3D Puzzle asks for nothing beyond the download.

Fill It Happy ships an update monthly, LowPoly 3D Puzzle weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Fill It Happy | LowPoly 3D Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fill-it-happy/id1521881753/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | — |
| Size | 62 MB | 269 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [振 曲](https://appshunter.io/developer/1077151938) | [Irina Ivanova](https://appshunter.io/developer/1383242689) |

## What reviewers say

### Fill It Happy

[App page](https://appshunter.io/ios/app/fill-it-happy/id1521881753)

Test your observation and visual acuity with this unique puzzle game. Maneuver fillings to match given contours across dozens of diverse levels featuring animals, food, and themed adventures. Enjoy an entirely ad-free experience.

**Highlights:** Innovative contour matching gameplay, Dozens of diverse levels, Ad-free gaming experience, Boosts visual acuity, Variety of themes and patterns

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Undo+10 | $0.99 | one-time |
| remove Ads | $1.99 | one-time |
| All-in-One Pack | $1.99 | one-time |
| Undo + 50 | $2.99 | one-time |


### LowPoly 3D Puzzle

[App page](https://appshunter.io/ios/app/lowpoly-3d-puzzle/id6739111456)

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

**In-app purchases:** none


## Frequently asked questions

### Is Fill It Happy free?

Fill It Happy is free to download, with in-app purchases available.

### Is LowPoly 3D Puzzle free?

LowPoly 3D Puzzle is free to download, with no in-app purchases.

### Do Fill It Happy or LowPoly 3D Puzzle have ads?

LowPoly 3D Puzzle shows ads; Fill It Happy does not.

### Which is updated more often, Fill It Happy or LowPoly 3D Puzzle?

Fill It Happy ships an update monthly, and LowPoly 3D Puzzle weekly. Most recently, Fill It Happy was updated on October 27, 2026 and LowPoly 3D Puzzle on October 31, 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.*