Rash vs SPIRO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Rash
An educational tool and memory aid for identifying and understanding common childhood eruptive diseases. It offers essential information on care, treatment, and prevention, complemented by visual aids.
- Childhood disease identification
- Care and treatment information
- Preventive measures
- Photos and illustrations
- Memory aid sheets
- Multilingual support (English, French, Spanish)
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This application is an educational tool and memory aid. It has the essential characteristics of the main eruptive childhood diseases: gianotti-crosti, measles, scarlet fever, rubella, fifth disease, roseola, chicken pox disease, hand-foot-mouth disease, meningococcal purpura and Kawasaki disease. It provides useful information on their care, treatment and preventive measures. Features: - Photos - Illustrations - Memory aid sheets - Language: English/French/Spanish
SPIRO
This medical app assists healthcare professionals and students in interpreting spirometry tests. It provides diagnostic and treatment suggestions based on entered data and offers access to educational materials and respiratory health guidelines.
- Interpret spirometry tests
- Diagnostic suggestions
- Treatment suggestions
- Access respiratory guidelines
- Educational material
- Patient follow-up tool
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Objective measurement of respiratory function is of primary importance in the assessment of chronic obstructive pulmonary diseases. However, the interpretation of respiratory function tests, especially spirometry tests, is considered suboptimal in primary care. A team from the Quebec Heart and Lung Institute affiliated with Laval University (IUCPQ-UL) developed an interactive mobile application called SPIRO© to facilitate the interpretation of spirometry tests. The SPIRO© app guides healthcare professionals and medical students in interpreting spirometry tests by entering basic data from a spirometry report (FEV1, FVC, FEV1/FVC). The software gives a diagnostic suggestion to the user based on pre-set intervals. In addition to being a resource for educational material (explanatory video, questionnaires, documents related to respiratory health guidelines), the SPIRO© application guides the user in applying the guidelines in respiratory health by providing the necessary references (scientific articles, respiratory health guidelines) to develop a treatment plan. The app allows: - Optimizing interpretation of spirometry; - Obtaining a diagnostic suggestion; - Obtaining a treatment suggestion according to respiratory guidelines; - Getting quick access to respiratory health guidelines; - Facilitating the work of health professionals; - Carrying out better follow-up of patients with chronic obstructive pulmonary disease (COPD) or asthma; - Obtaining continuing education through specific and relevant educational material. This tool was developed by the Chair in Knowledge Translation, Education and Prevention in Respiratory and Cardiovascular Health affiliated with Laval University in collaboration with the IUCPQ-UL.
Screenshots
Verdict
The clearest difference is review sentiment: Rash at 88% against SPIRO's 0%. SPIRO's advantage is price ($3.99 vs $9.99). On update cadence, ads, in-app purchases and monetization model 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
Rash costs $9.99 and SPIRO $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 7 months. The most recent releases landed on September 22, 2026 and September 30, 2026 respectively.
| Parameter | Rash | SPIRO |
|---|---|---|
| Price | $9.99 | $3.99 — better |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 87.5% of reviews — better | 0.0% of reviews |
| Number of ratings | 1 — better | — |
| Update frequency | Every 7 months | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 | 12.0 |
| Further details — not scored | ||
| Size | 172 MB | 125 MB |
| Age rating | 4+ | 12+ |
| Developer | Bruno Girodias | Universite Laval |
Customer experience
Rash
SPIRO
In-app purchases
Rash
No in-app purchases
SPIRO
No in-app purchases







