CASP vs FABULINUS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
CASP
Critically appraise medical literature using evidence-based templates. Includes a glossary, calculators for NNT and post-test probability, and the ability to save and share appraisals.
- Critical appraisal templates
- Glossary of terms
- NNT calculator
- Post-Test Probability calculator
- Save and share appraisals
- PDF export
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CASP offers a convenient way to critically apprais the medical literature, it is based in CASP (Critical Appraisal Skills Programme) templates. And incorporates a Glossary section, and NNT and Post-Test Probability calculators with interpretation of the results. It allows to save and share critical appraisals in CASP and PDF formats.
FABULINUS
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This application has been created especially for the FABULINUS DRI17476 study participants and will support you through all steps of the study conduct. You will use this app to perform and complete questionnaires, electronic diaries and access study related information.
Screenshots
Verdict
The clearest difference is update cadence: CASP at every 2 months against FABULINUS's every 5 months. CASP also leads on iOS requirement (7.0 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.
CASP ships an update every 2 months, FABULINUS every 5 months. The most recent releases landed on October 5, 2026 and October 7, 2026 respectively.
| Parameter | CASP | FABULINUS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 133 MB |
| Age rating | 4+ | 12+ |
| Developer | Luis Ruiz del Fresno | Hello Thread |
In-app purchases
CASP
No in-app purchases
FABULINUS
No in-app purchases
