SiApp vs Angulus Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SiApp
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Aplicación móvil para realizar controles de campo, y que se nutre de la información cargada en SIA - Sistema Integral de Auditorías. Específicamente destinada a controlar el cumplimiento de las normas de seguridad en las tareas y de los estándares establecidos en general, y por cada empresa que contrata el servicio, en particular. Su moderno sistema incluye control de acceso, escaneo de credenciales, inhabilitaciones, controles realizados en el campo y permisos de permanencia.
Angulus Pro
This app provides professional-grade angle measurements for clinical and personal use. It offers high precision, multiple measurement modes, and AI-powered camera assistance for accurate assessments and progress tracking.
- Precision to 0.01°
- Four Measurement Modes
- AI-Powered Camera Overlay
- Real-Time Analysis
- Clinical Documentation & Export
- Progress Tracking
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Angulus Pro: Clinically Validated Angle Measurement Trusted by researchers worldwide with 40+ peer-reviewed publications. Angulus Pro delivers professional-grade angle measurements validated in leading medical journals: • Journal of Medical Internet Research • Journal of Clinical Orthopaedics and Trauma • Journal of Neuromuscular Diseases → Learn more: https://www.yonaga.app/angulus/research Research Validated • 40 published studies using Angulus (2021-2026) • 3,000+ patients assessed by researchers • Validated against gold-standard goniometry • Applied in orthopedics, rehabilitation, neurology, and sports medicine Key Features • Precision to 0.01°: Professional accuracy for clinical assessments • Four Measurement Modes: V, W, X, and N modes for ROM, fractures, and specialized angles • AI-Powered Camera: Overlay technology for precise alignment • Real-Time Analysis: Instant measurements from camera or photo library • Clinical Documentation: Add annotations and export reports • Progress Tracking: Monitor improvement over time Professional Applications • Joint range of motion (ROM) • Hallux valgus and deformity angles • Fracture assessment • Postural analysis • Telehealth assessments For Patients and Non-Clinical Users • Track rehabilitation progress • Share measurements with providers • Sports performance analysis Privacy Policy: https://www.yonaga.app/angulus/privacy Terms of Use (EULA): Yonaga - https://yonaga.app/angulus/terms Apple - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: SiApp at none against Angulus Pro's 3. SiApp also leads on iOS requirement (13.0 vs 17.6). Angulus Pro's advantage is update cadence (fortnightly vs every 23 months). On price, ads 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
Both are free to download. Angulus Pro sells 3 in-app purchases, starting at $2.99 per month. SiApp asks for nothing beyond the download.
SiApp ships an update every 23 months, Angulus Pro fortnightly. The most recent releases landed on October 5, 2026 and October 9, 2026 respectively.
| Parameter | SiApp | Angulus Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.6 (26 ratings) — better |
| Number of ratings | — | 26 — better |
| Update frequency | Every 23 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 13.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 28 MB | 134 MB |
| Age rating | 4+ | 4+ |
| Developer | JOSE EDUARDO FERRERA | Yonaga |
In-app purchases
SiApp
No in-app purchases
Angulus Pro
- Angulus Pro Monthly7 Days trial$2.991 Month
- Angulus Pro Annually$29.991 Year
- Angulus Pro Lifetime$49.99
