Allurion vs IFSO
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Allurion
This app supports a weight loss program by tracking weight, steps, sleep, and exercise. It facilitates data sharing with a healthcare team, enables messaging and telehealth, and offers an AI coach for personalized guidance.
- Weight, step, sleep, and exercise tracking
- Data sharing with healthcare team
- In-app messaging and telehealth
- AI weight loss coach
- Library of program articles
- HealthKit integration
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The companion app for the Allurion weight loss program. This app syncs with your Allurion Connected Scale and Health Tracker, and easily tracks your weight, steps, sleep and exercise, and enables you to share data with their Allurion healthcare team, message Allurion Clinics, participate in video Telehealth calls, and easily request support. Participants in the Allurion Program have access to a library of articles designed help them in the program and their weight loss journey. Users also have access to Coach Iris, Allurion’s AI weight loss coach, for personalized guidance and motivation. Health App Integration: This app stores your weight data using HealthKit, so you can use it in Apple Health and other iOS apps.
IFSO
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The International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO) is a Federation composed of national associations of bariatric surgeons and Integrated Health professionals. Currently, there are 64 official member societies of IFSO. There are also individual members from countries that thus far have not formed a national association. IFSO is a scientific organization that brings together surgeons and integrated health professionals, such as nurse, practitioners, dieticians, nutritionists, psychologists, internists and anesthesiologists, involved in the treatment of morbidly obese patients. One of IFSO’s main goals is to support its members in aspects directly related to their profession. One of IFSO’s main activities is the organization of the yearly World Congress, which provides a forum to exchange knowledge on surgical treatment of severely obese patients, to present new techniques, research and concepts, and to meet the experts in the field.
Screenshots
Verdict
Allurion and IFSO are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Allurion ships an update every 3 weeks, IFSO monthly. The most recent releases landed on October 16, 2026 and October 1, 2026 respectively.
| Parameter | Allurion | IFSO |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (776 ratings) — better | — |
| Positive reviews | 64.6% of reviews | — |
| Number of ratings | 776 — better | — |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 97 MB | 20 MB |
| Age rating | 17+ | 4+ |
| Developer | Allurion Technologies,inc. | IFSO INTERNATIONAL FEDERATION FOR THE SURGERY OBESITY AND METABOLIC DISORDERS |
Bugs and requests
Allurion
Reported bugs
5 issues- App freezes or crashes frequently
- Incorrect weight and body metric calculations
- Sync issues between app and connected devices
- User data loss after updates
- Persistent connection problems with Bluetooth scale
Requested features
5 requests- Add more exercise tracking options
- Improve data sync with third-party apps
- Restore detailed body composition tracking
- Provide manual weight entry option
- Enhance customization and personalization
IFSO
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Allurion
No in-app purchases
IFSO
No in-app purchases





