Ideal diet vs FatFlow
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Ideal diet
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The Ideal diet Protocol is a medically developed, scientifically-validated, and nutritionally balanced ketogenic Protocol designed to help patients lose weight and better manage their health. Thousands of healthcare providers across North America offer Ideal Protein to their patients, helping them to gravitate safely and naturally to a more ideal weight and metabolic stability. Ideal Protein combines low-fat, low-carb foods with an optimal amount of protein resulting in safe, effective and sustainable weight loss. The Protocol features behavior modification, education and empowerment critical for long-term healthy weight maintenance. According to a study conducted and published by Aspirus, an eight-hospital health system in Wisconsin and Michigan, entitled Effect of the Ideal Protein Weight Loss Method on Weight Loss and Metabolic Parameters,ΒΉ 233 patients completed at least 12 weeks of the Protocol. The 12-week results were presented at the Cleveland Clinicβs 9th Annual Obesity Summit and at the Annual Scientific Meeting of the National Obesity Society. Our peer-reviewed, published research demonstrates that, among patients who completed the study, metabolic health can be improved in as little as 12 weeks
FatFlow
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Most people know what they ate. Far fewer understand what may be happening in the hours afterward. After eating, insulin rises to help the body use and store incoming energy, while reducing the release of stored fat. As time passes without more food, insulin generally falls and the body gradually shifts toward using more stored energy. FatFlow makes this invisible process easier to understand. Log meals, drinks and activity in seconds. FatFlow then provides an educational estimate of whether your body is likely processing recent food, shifting fuel sources, or spending more time in a fat-burning state. Use FatFlow to: β’ See your current estimated metabolic state β’ Understand how long it may take to return to fat burning β’ Review daily and weekly patterns β’ Log meals, drinks and activity quickly β’ Set recurring entries and reminders β’ Create optional backups of your history FatFlow is designed for awareness, not judgment. It does not count calories, prescribe a diet or tell you when to eat. It helps you see how timing may shape your day so you can make more informed choices. Privacy first: β’ Your meal, drink and activity history stays on your device β’ No account is required β’ No ads β’ No subscriptions β’ 100% free Important: FatFlow provides educational estimates, not direct measurements. Actual responses vary based on meal size and composition, activity, metabolism, sleep, medications and health conditions. FatFlow is not a medical device and does not provide medical advice, diagnosis or treatment.
Screenshots
Verdict
The clearest difference is update cadence: FatFlow at every 11 days against Ideal diet's every 5 weeks. Ideal diet's advantage is iOS requirement (10.0 vs 15.0). On price, ads, in-app purchases and device support 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. Neither carries in-app purchases, so what you see is what you pay.
Ideal diet ships an update every 5 weeks, FatFlow every 11 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.
| Parameter | Ideal diet | FatFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks | Every 11 days β better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 10.0 β better | 15.0 |
| Further details β not scored | ||
| Size | 54 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Eslam Saad | Ossama Eldeeb |
In-app purchases
Ideal diet
No in-app purchases
FatFlow
No in-app purchases









