iEDEN vs Atchoum
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
iEDEN
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The purpose of the iEDEN application is to enable participation in the new survey at 16-19 years of age for children in the EDEN cohort. This new follow-up, called iEDEN, will seek to better understand the influence of screen use on the health and development of adolescents included in the cohort. The project will rely on data collected in previous EDEN cohort follow-ups as well as new data collected through this application. For 7 days, the application will make it possible to estimate the time spent using the smartphone, the type of activities and applications used on a daily basis (for example, games, streaming, messaging) as well as movements thanks to geolocation. After these 7 days, questionnaires (10 min) will be sent to the application to learn more about the lifestyle, development, and health of the participants.
Atchoum
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Atchoum helps you live better with allergies: pollen around you, daily symptoms, treatments and foods to avoid, all in one app. Please note: the app is available in French only, and pollen forecasts cover Europe. POLLEN IN YOUR TOWN β’ Today's risk level for grass, birch, alder, olive, ragweed and mugwort β’ Expected peak and an hour-by-hour curve, today and the following days β’ Search any European town, or locate yourself in one tap β’ Pollen alerts: a daily notification at the time you choose YOUR ALLERGY DIARY β’ Log symptoms in seconds β’ Track treatments, stocks and desensitisation β’ Treatment reminders scheduled on your phone, even offline β’ Charts to spot what triggers you and discuss it with your doctor WHAT YOU EAT β’ Scan a product barcode: Atchoum flags your allergens in the ingredients β’ Allergy-friendly recipes from the AI assistant β’ Restaurants rated by the community ATCHOUM PREMIUM Statistics, pollen alerts, allergen detection, AI assistant and recipes, allergy sharing. 7-day free trial, then a monthly or yearly subscription you can cancel at any time in your Apple account settings. Atchoum provides general information and does not replace medical advice. In an emergency, call 112. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy: https://atchoum.kipdev.io/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: iEDEN at none against Atchoum's 2. iEDEN also leads on update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Atchoum sells 2 in-app purchases, starting at $6.99 per month. iEDEN asks for nothing beyond the download.
iEDEN ships an update every 3 weeks, Atchoum every 6 weeks. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.
| Parameter | iEDEN | Atchoum |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks β better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No β better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod β better |
| Requires iOS | 16.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 52 MB | 40 MB |
| Age rating | 4+ | 17+ |
| Developer | Avicenna Research Inc. | Yohann KIPFER |
In-app purchases
iEDEN
No in-app purchases
Atchoum
- Atchoum mensuel$6.991 Month
- Atchoum annuel$69.991 Year









