Coordinate Geometry vs Pettson's Inventions 3
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Coordinate Geometry
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Explore Concepts Related to Coordinate Geometry with an Interactive Learning Tool The Coordinate Geometry app is a tool designed to help teachers introduce analytic geometry. It provides students with an interactive learning device to help them better understand the system of geometry where the positions of points on a plane are described using ordered pairs. Designed in California by Dr. Fred Ventura, Coordinate Geometry is one of the apps in the Math Power Series. Coordinate Geometry turns your iPad into a mathematical playground for introducing the coordinate plane, ordered pairs, reflection, rotation, translation, slope, y-intercept and other important mathematical concepts. Topics: • Coordinate Plane • x and y axes • Origin (0,0) • Coordinate Pairs • Quadrants • Points, Lines and Planes • Slope and y-intercept
Pettson's Inventions 3
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.
- 36 new inventions
- 6 themed areas
- Drag and drop puzzle mechanics
- Physics-based challenges
- Stimulates logic and creativity
- Kid-friendly interface
- Adjustable difficulty
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In the third game about Pettson’s Inventions you get to explore Pettson and Findus farm while completing even more of their amazing inventions. Enjoy 36 brand new inventions divided into 6 different areas, each with it’s own unique theme. Construct a ferris wheel in the woodshed, create an egg-painting machine in the henhouse or build a wake-up invention by combining an apple, a dog and some paint! Look for the missing bike parts and see if you can complete the final mission, to fix Pettson’s bike! Drag and drop the items onto the unfinished invention and put them in the right place. Press play and see what happens! Follow Pettson’s instructions and help him to finish all inventions. The simple interface combined with challenging tasks makes this game appealing for both kids and parents who are interested in learning more about physics and creativity. Pettson’s Inventions 3 is a pedagogic app that practices logic and stimulates creativity for preschoolers. - 36 brand new amazing inventions - 6 fantastic areas - Voices in English, German and Swedish - Original artwork from the creator of Pettson, Sven Nordqvist - Kid friendly interface - No in-app purchase - No ads - Choose to play with or without fake objects to adjust the difficulty level Check out Pettson’s Inventions 1 & 2 for more amazing inventions to complete.
Screenshots
Verdict
The clearest difference is update cadence: Pettson's Inventions 3 at every 2 months against Coordinate Geometry's every 27 months. Pettson's Inventions 3 also leads on device support (3 vs 1). Coordinate Geometry's advantage is price ($1.99 vs $4.99). On ads, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Coordinate Geometry costs $1.99 and Pettson's Inventions 3 $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Coordinate Geometry ships an update every 27 months, Pettson's Inventions 3 every 2 months. The most recent releases landed on October 5, 2026 and October 13, 2026 respectively.
| Parameter | Coordinate Geometry | Pettson's Inventions 3 |
|---|---|---|
| Price | $1.99 — better | $4.99 |
| Rating | — | 4.8 (13 ratings) — better |
| Positive reviews | — | 42.9% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Every 27 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 28 MB | 245 MB |
| Age rating | 4+ | 4+ |
| Developer | Ventura Educational Systems | Filimundus AB |
In-app purchases
Coordinate Geometry
No in-app purchases
Pettson's Inventions 3
No in-app purchases
Questions
Is Coordinate Geometry free?
Is Pettson's Inventions 3 free?
Do Coordinate Geometry or Pettson's Inventions 3 have ads?
Which is updated more often, Coordinate Geometry or Pettson's Inventions 3?
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