# Pettson's Inventions Deluxe vs Weakspot

The clearest difference is price: Weakspot at Free against Pettson's Inventions Deluxe's $6.99. Weakspot also leads on update cadence (every 4 days vs every 13 months) and rating (5.0 vs 4.7). Pettson's Inventions Deluxe's advantage is in-app purchases (none vs 3) and ratings volume (72 vs 2). On ads and device support there is nothing between them.

Weakspot is free to download; Pettson's Inventions Deluxe costs $6.99 up front. Weakspot sells 3 in-app purchases, starting at $6.99 per 7 days. Pettson's Inventions Deluxe asks for nothing beyond the download.

Weakspot holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Pettson's Inventions Deluxe has 72 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 84% of Pettson's Inventions Deluxe's written reviews are positive against 100% of Weakspot's.

Pettson's Inventions Deluxe ships an update every 13 months, Weakspot every 4 days. The most recent releases landed on November 1, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Pettson's Inventions Deluxe | Weakspot |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | [4.7 (72 ratings)](https://appshunter.io/ios/app/pettsons-inventions-deluxe/id625286540/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/weakspot/id6806154239/reviews)** |
| Number of ratings | **72** | 2 |
| Positive reviews | 83.7% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Every 4 days** |
| Monetization | Paid | **Freemium** |
| Size | 570 MB | 12 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Filimundus AB](https://appshunter.io/developer/468644481) | [Justice Kwaku Mfum](https://appshunter.io/developer/1521152993) |

## What reviewers say

### Pettson's Inventions Deluxe

[App page](https://appshunter.io/ios/app/pettsons-inventions-deluxe/id625286540)

Help Pettson and his cat Findus build 66 amazing contraptions by dragging and dropping parts into place. This fun and educational app stimulates logic and creativity for children, featuring a new VS mode and optional visual instructions.

**Highlights:** 66 ingenious inventions, 6 brand new inventions, VS mode for competition, Co-op friendly layout, Optional visual instructions, Adjustable difficulty with fake parts

**Features:** macOS Compatibility

**In-app purchases:** none


### Weakspot

[App page](https://appshunter.io/ios/app/weakspot/id6806154239)

Transform your notes into custom quizzes. Import PDFs, slides, or handwritten materials to generate multiple-choice, true-or-false, and fill-in-the-blank questions. Track your progress and focus on areas needing improvement.

**Highlights:** Import notes from various sources, Generate multiple-choice, true/false, fill-in-the-blank questions, Track mastery by topic, Adaptive practice for weak areas, Organize subjects and materials, Delete documents and associated questions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weakspot Pro Weekly | $6.99 | per 7 days |
| Weakspot Pro Annual | $39.99 | per year |
| 200 Extra Cloud Questions | $4.99 | one-time |


## Frequently asked questions

### Is Pettson's Inventions Deluxe free?

Pettson's Inventions Deluxe costs $6.99, with no in-app purchases.

### Is Weakspot free?

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

### Which has better reviews, Pettson's Inventions Deluxe or Weakspot?

Weakspot is rated higher. Pettson's Inventions Deluxe averages 4.7 out of 5 from 72 ratings, while Weakspot averages 5.0 from 2 ratings.

### Do Pettson's Inventions Deluxe or Weakspot have ads?

Neither Pettson's Inventions Deluxe nor Weakspot shows ads.

### Which is updated more often, Pettson's Inventions Deluxe or Weakspot?

Pettson's Inventions Deluxe ships an update every 13 months, and Weakspot every 4 days. Most recently, Pettson's Inventions Deluxe was updated on November 1, 2026 and Weakspot 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.*