Reimers App vs Triangle Sketch
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reimers App
This educational tool assists orthopedic surgeons, radiologists, and physiotherapists in quickly and accurately measuring key radiological indices for pediatric hip assessment. It allows for easy import of X-rays, interactive landmark positioning, and automatic calculation and export of results.
- Reimers Migration Index (RMI) calculation
- Acetabular Index (AI) calculation
- Import X-rays from camera or library
- Interactive anatomical landmark positioning
- Automatic calculation for both hips
- Export results as an image
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Reimers App is an educational tool designed for orthopedic surgeons, radiologists, and physiotherapists working with pediatric patients. The app provides fast, accurate measurement of two essential radiological indices for pediatric hip assessment: • Reimers Migration Index (RMI) — quantifies the degree of hip subluxation by comparing the extent of the femoral epiphysis outside the acetabulum. • Acetabular Index (AI) — evaluates the inclination of the acetabular roof as an indicator of acetabular development. How it works: 1. Import a pelvic X-ray directly from your camera or photo library. 2. Position 8 interactive anatomical landmarks (triradiate cartilage, acetabular edge, medial and lateral femoral head — bilaterally). 3. RMI and AI are calculated automatically for both hips. 4. Export the results as an image. Indicated for evaluation of developmental dysplasia of the hip (DDH), cerebral palsy, and other pediatric hip conditions. Available in Portuguese, English, and Spanish. Disclaimer: This app is intended for educational use. Diagnosis and treatment decisions are the sole responsibility of the licensed healthcare professional.
Triangle Sketch
This geometry tool allows users to draw and manipulate triangles on a graph. It provides measurements, allows editing of sides and angles, and displays various triangle facts and properties. It's designed to help students visualize geometric concepts.
- Draw triangles on a graph
- Edit side lengths and angles
- View triangle measurements
- Explore triangle properties
- Use right-triangle trig tools
- Customize display options
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Triangle Sketch is a hands-on geometry tool for drawing and exploring triangles. Draw a triangle with your finger, check its measurements, edit side lengths and angles, move vertices, enter coordinates, and view useful triangle facts. Triangle Sketch helps students see how triangle measurements connect instead of only reading formulas. Features: • Draw triangles directly on a graph • Edit side lengths, angles, and vertex coordinates • Work with any triangles and right triangles • View area, perimeter, triangle type, height, centroid, incircle, and circumcircle • Use right-triangle trig tools • Change units, decimals, colors, grid snapping, and display options • One-time hints help students discover important tools Triangle Sketch is designed for students, teachers, and anyone learning geometry.
Screenshots
Verdict
The clearest difference is price: Reimers App at Free against Triangle Sketch's $0.99. Reimers App also leads on update cadence (every 5 days vs monthly). Triangle Sketch's advantage is iOS requirement (17.6 vs 26.0). On ads, in-app purchases, monetization model and device support 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
Reimers App is free to download; Triangle Sketch costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Reimers App ships an update every 5 days, Triangle Sketch monthly. Both last shipped on October 31, 2026.
| Parameter | Reimers App | Triangle Sketch |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 2 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | INSTITUTO FISE DE ENSINO E PESQUISA EM ORTOPEDIA | Eduardo Longoria Alaniz |
Customer experience
Reimers App
Triangle Sketch
In-app purchases
Reimers App
No in-app purchases
Triangle Sketch
No in-app purchases
Questions
Is Reimers App free?
Is Triangle Sketch free?
Do Reimers App or Triangle Sketch have ads?
Which is updated more often, Reimers App or Triangle Sketch?
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