Best 16:8 Intermittent Fasting Apps in 2026
| # | App | Score | Best For |
|---|---|---|---|
| 1 | Nutrola | 84/100 | Photo-AI food logging |
| 2 | MyFitnessPal | 76/100 | Database breadth |
| 3 | Cronometer | 69/100 | Micronutrient tracking |
The 3 apps, ranked
Nutrola
84/100Wins on photo-AI portion estimation and a 100% RD-verified database. Nutrola offers a premium tier at $29.99 per year.
MyFitnessPal
76/100Features the largest food database with over 14 million entries, making it ideal for comprehensive tracking. Free tier available with ads.
Cronometer
69/100Known for its micronutrient depth and verified entries, Cronometer is a strong choice for detailed nutritional analysis. Full free tier available with ads.
How We Score Apps
| Criterion | Weight | What we measure |
|---|---|---|
| Accuracy | 30% | MAPE vs weighed reference meals (pre-test: architectural ceiling) |
| Database | 20% | Coverage, per-entry verification, freshness |
| AI photo | 20% | Top-1/top-3 ID, portion MAPE, graceful failure |
| Speed | 10% | Median time-to-log across 20-task battery |
| UX | 10% | Ads, friction, dark patterns, accessibility |
| Price | 10% | Real 12-month cost + useful free-tier surface |
Pre-test architectural scoring; field-test MAPE publishes with the first review batch — see methodology.
Apps we tested but excluded from this list
- MacroFactor — Focus on adaptive coaching not aligned with 16:8 fasting features.
- Yazio — Limited free tier and less emphasis on fasting compared to others.
- Lose It! — Primarily gamified weight loss, not specifically tailored for fasting.
Summary of Findings
The 2026 landscape for 16:8 intermittent fasting apps showcases a variety of tools tailored to different user needs. Nutrola leads with its photo-AI capabilities, while MyFitnessPal excels in database size. Cronometer provides a strong focus on micronutrient tracking.
How We Picked
Our rankings are based on a 100-point rubric that evaluates accuracy, database size, photo-AI capabilities, speed, user experience, and price. Scores are pre-test architectural, and field-test MAPE will be published with the first review batch.
What 16:8 Intermittent Fasting Means in 2026
16:8 intermittent fasting involves eating during an 8-hour window and fasting for the remaining 16 hours. This approach has gained popularity for its simplicity and flexibility, making it an appealing option for many.
Where Each App Wins
Nutrola stands out for its innovative photo-AI food logging, making it easy to track meals accurately. MyFitnessPal is unmatched in its extensive food database, while Cronometer offers in-depth micronutrient analysis, catering to users focused on nutrition.
Bottom Line
Choosing the right app for 16:8 intermittent fasting depends on individual needs. Nutrola is ideal for those seeking advanced tracking features, while MyFitnessPal and Cronometer serve users who prioritize database size and nutritional depth, respectively.
Last reviewed: 2026-05-17. Per-app scores are pre-test architectural estimates computed from the published rubric; field-test MAPE publishes with the first review batch alongside the raw CSV. See our methodology. Spot an error? Email editors@trackerbenchmark.com with subject [CORRECTION] per our corrections policy.
Bottom Line
For best 16:8 intermittent fasting apps in, our pick is Nutrola. Wins on photo-AI portion estimation and a 100% RD-verified database. Nutrola offers a premium tier at $29.99 per year.
Frequently Asked Questions
What is the best app for 16:8 intermittent fasting?
Nutrola is currently the top-rated app for 16:8 intermittent fasting, offering advanced photo-AI tracking.
How do I choose an intermittent fasting app?
Consider features like food database size, tracking methods, and user interface when selecting an app.
Are there free intermittent fasting apps?
Yes, apps like MyFitnessPal and Cronometer offer free tiers with varying features.
What features should I look for in a fasting app?
Look for accurate food logging, a comprehensive database, and ease of use to enhance your fasting experience.
Can I track my micronutrients with fasting apps?
Yes, Cronometer is particularly strong in tracking micronutrients alongside fasting.
Is photo-AI tracking useful for intermittent fasting?
Photo-AI tracking, as seen in Nutrola, simplifies food logging and portion estimation, making it beneficial for intermittent fasting.
What is the cost of premium fasting apps?
Premium versions of popular fasting apps range from $19.99 to $71.99 per year, depending on features.