# Pettson's Inventions 3 vs Polisplugg

The clearest difference is price: Polisplugg at Free against Pettson's Inventions 3's $4.99. Polisplugg also leads on update cadence (fortnightly vs every 2 months). Pettson's Inventions 3's advantage is in-app purchases (none vs 6) and iOS requirement (12.0 vs 15.0). On ads and device support there is nothing between them.

Polisplugg is free to download; Pettson's Inventions 3 costs $4.99 up front. Polisplugg sells 6 in-app purchases, starting at $3.99 per month. Pettson's Inventions 3 asks for nothing beyond the download.

Pettson's Inventions 3 ships an update every 2 months, Polisplugg fortnightly. The most recent releases landed on October 26, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions 3 | Polisplugg |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.8 (13 ratings)](https://appshunter.io/ios/app/pettsons-inventions-3/id1157967043/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Fortnightly** |
| Monetization | Paid | — |
| Size | 245 MB | 12 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Driley AB](https://appshunter.io/developer/6809055150) |

## What reviewers say

### Pettson's Inventions 3

[App page](https://appshunter.io/ios/app/pettsons-inventions-3/id1157967043)

Explore a farm and complete 36 new inventions across six themed areas. Drag and drop items to solve physics-based puzzles and stimulate creativity. This app is designed for preschoolers to practice logic and creativity.

**Highlights:** 36 new inventions, 6 themed areas, Drag and drop puzzle mechanics, Physics-based challenges, Stimulates logic and creativity, Kid-friendly interface, Adjustable difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


### Polisplugg

[App page](https://appshunter.io/ios/app/polisplugg/id6809055148)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium – månad | $3.99 | per month |
| Premium – månad | $3.99 | per month |
| Premium – månad | $3.99 | per month |
| Premium – år | $39.99 | per year |
| Premium – år | $39.99 | per year |
| Premium – år | $39.99 | per year |


## Frequently asked questions

### Is Pettson's Inventions 3 free?

Pettson's Inventions 3 costs $4.99, with no in-app purchases.

### Is Polisplugg free?

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

### Do Pettson's Inventions 3 or Polisplugg have ads?

Neither Pettson's Inventions 3 nor Polisplugg shows ads.

### Which is updated more often, Pettson's Inventions 3 or Polisplugg?

Pettson's Inventions 3 ships an update every 2 months, and Polisplugg fortnightly. Most recently, Pettson's Inventions 3 was updated on October 26, 2026 and Polisplugg on October 29, 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.*