xGeometry vs Tri
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
xGeometry
This app helps solve geometry problems with step-by-step solutions. It supports various geometric data and allows users to draw directly on shapes to input information. Explore and manipulate shapes with interactive features and access reference sheets with formulas.
- Step-by-step problem solving
- Gesture input by drawing on shapes
- Smart shortest solution finder
- Customizable problem options
- Multiple shapes per problem
- Interactive shape exploration
- Reference sheets with formulas
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Solve geometric problems step by step! Features: + Elementary and middle school problems + Gesture: add new data drawing directly on the shape + Smart: it always finds the shortest solution + Options to customize the problem + Add multiple shapes to the same problem + Explore and play: resize or rotate shapes + Reference sheets with formulas and drawings Data supported by the editor: • segment, perimeter, area • sum, difference • fraction • equality • special angles
Tri
This app simplifies math homework with a suite of tools including area, basic, and trigonometry calculators. It offers offline access and equation solvers for first and second-degree equations, with more features planned.
- Offline Access
- Area Calculator
- Basic Calculator
- Trigonometry Calculator
- Unit Converter
- Equation Solvers
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Easily complete your homework with this app! Key Features: Offline Access: Use the app anytime, anywhere. Area Calculator: Quickly compute the area of shapes. Basic Calculator: Simplify everyday calculations. Trigonometry Calculator: Solve the Pythagorean theorem. Calculate trigonometric functions. Unit Converter: Convert between units with ease. Equation Solvers: Solve first-degree equations! Solve second-degree equations! And More Features Coming Soon!
Screenshots
Verdict
The clearest difference is rating: Tri at 4.5 against xGeometry's 2.7. xGeometry's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, review sentiment, ratings volume and update cadence 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. Tri sells 1 one-off in-app purchase. xGeometry asks for nothing beyond the download.
Tri holds the better App Store score, 4.5 against 2.7. Both are backed by a comparable volume of ratings — 35 and 17 respectively. Written reviews point the same way: 64% of xGeometry's written reviews are positive against 67% of Tri's.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on August 15, 2026 and June 4, 2026 respectively.
| Parameter | xGeometry | Tri |
|---|---|---|
| Price | Free | Free |
| Rating | 2.7 (35 ratings) | 4.5 (17 ratings) — better |
| Positive reviews | 63.6% of reviews | 66.7% of reviews — better |
| Number of ratings | 35 — better | 17 |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 6 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | Matteo D'Ignazio | Alejandro Apodaca |
Customer experience
xGeometry
Tri
In-app purchases
xGeometry
No in-app purchases
Tri
- Quitar anuncios$1.99
