X vs RED Study
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
X
Explore a curated collection of authentic X-ray images showcasing serious trauma and surgical procedures. This app features over 55 detailed images, many with annotations, and allows for pinch-to-zoom functionality. It also provides links to medical terms and relevant YouTube videos for deeper understanding.
- Authentic X-ray images
- Over 55 annotated images
- Pinch-to-zoom functionality
- Medical term definitions
- Links to procedure videos
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A collection of authentic x-ray images of 20 patients who have experienced serious trauma or unusual surgical procedures. More than 55 x-ray images are included many pointing out the pathology using arrows and lines. The images can be pinch-zoomed. Links are included for medical terms and also there is the option to view youtube videos on some procedures.
RED Study
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This app is designed for the RED study, initiated by OCON to evaluate blood loss during this medical research study. This app can only be used on invitation and participation of the RED study.
Screenshots
Verdict
The clearest difference is update cadence: RED Study at every 14 months against X's every 32 months. X's advantage is iOS requirement (11.0 vs 15.6). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
X ships an update every 32 months, RED Study every 14 months. The most recent releases landed on October 2, 2026 and September 17, 2026 respectively.
| Parameter | X | RED Study |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 32 months | Every 14 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 11.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 51 MB | 7 MB |
| Age rating | 12+ | 17+ |
| Developer | Ballinger and Bruckner, LLP | ideact |
In-app purchases
X
No in-app purchases
RED Study
No in-app purchases
