GetPrincipia vs Geometry Tutor
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GetPrincipia
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Unlocking mathematical concepts with visuals, practice, progress tracking, study guides, and linking disciplines and topics across the field. Terms of Use: https://getprincipia.com/terms Privacy Policy: https://getprincipia.com/privacy
Geometry Tutor
Master geometry with an interactive, visual learning tool. Explore concepts on a dynamic canvas, visualize theorems in real-time, and solidify understanding with knowledge checks and practice problems. Offers a comprehensive curriculum for high school and advanced middle school students.
- Interactive learning canvas
- Real-time theorem visualization
- Comprehensive 6-unit curriculum
- 120-question practice engine
- End-of-unit knowledge checks
- Instant feedback on mistakes
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Geometry Tutor by Jaba Learning is a fully interactive, visual learning tool designed to help high school and advanced middle school students master core geometry concepts. Move past static textbooks and explore math on a dynamic canvas. TRY IT RISK-FREE Start your 7-Day Free Trial today to unlock the complete curriculum, interactive theorem visualizers, and the full 120-question practice engine! COMPLETE 6-UNIT CURRICULUM + COMPREHENSIVE QUIZ Designed by mathematicians, the app features 42 comprehensive modules across 6 core units, capped by a final quiz of 30 randomized questions drawn from a master bank of 120 expertly crafted problems. • Unit 1: Foundations & Logic • Unit 2: Transformations • Unit 3: Triangles & Trigonometry • Unit 4: Circles • Unit 5: Polygons • Unit 6: 3D Solids • Unit 7: Comprehensive Quiz INTERACTIVE LEARNING Built with a custom adaptive canvas, Geometry Tutor allows you to interact with shapes, sliders, and coordinate grids in real-time. Visualize complex theorems and formulas as you adjust the inputs yourself. KNOWLEDGE CHECKS & MASTERY Solidify your understanding with specific knowledge checks. Each of the 6 units features a dedicated end-of-unit randomized set of practice problems to ensure you are ready to move forward. Put your skills to the test, get instant feedback, and uncover key insights if you make a mistake, ensuring you truly understand the concepts from every angle. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is iOS requirement: GetPrincipia at 15.1 against Geometry Tutor's 17.6. On price, update cadence, ads and in-app purchases 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
Both are free to download. GetPrincipia sells 2 in-app purchases, starting at $6.99 per month and Geometry Tutor sells 2 in-app purchases, starting at $14.99 per year. Whichever you choose, the download price is not the number that matters.
GetPrincipia ships an update every 2 months, Geometry Tutor every 5 weeks. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.
| Parameter | GetPrincipia | Geometry Tutor |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (4 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 4 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 38 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | Axiom 38 LLC | JABA Learning LLC |
In-app purchases
GetPrincipia
- Monthly7 Days trial$6.991 Month
- Annual7 Days trial$44.991 Year
Geometry Tutor
- Premium Annual Access7 Days trial$14.991 Year
- Geometry Tutor Premium$14.99
Questions
Is GetPrincipia free?
Is Geometry Tutor free?
Do GetPrincipia or Geometry Tutor have ads?
Which is updated more often, GetPrincipia or Geometry Tutor?
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