Comparison

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.

Head to head
About

Coordinate Geometry

Features
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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

About

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.

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
Read full description

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

Pettson's Inventions 34 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Coordinate Geometry versus Pettson's Inventions 3: the parameters behind the verdict, then further details
ParameterCoordinate GeometryPettson'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 frequencyEvery 27 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPadiPhone, iPad, iPod — better
Requires iOS12.012.0
Further details — not scored
Size28 MB245 MB
Age rating4+4+
DeveloperVentura Educational SystemsFilimundus AB

In-app purchases

None

Coordinate Geometry

No in-app purchases

None

Pettson's Inventions 3

No in-app purchases

Questions

Is Coordinate Geometry free?
Coordinate Geometry costs $1.99, with no in-app purchases.
Is Pettson's Inventions 3 free?
Pettson's Inventions 3 costs $4.99, with no in-app purchases.
Do Coordinate Geometry or Pettson's Inventions 3 have ads?
Neither Coordinate Geometry nor Pettson's Inventions 3 shows ads.
Which is updated more often, Coordinate Geometry or Pettson's Inventions 3?
Coordinate Geometry ships an update every 27 months, and Pettson's Inventions 3 every 2 months. Most recently, Coordinate Geometry was updated on October 5, 2026 and Pettson's Inventions 3 on October 13, 2026.

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