Cronometer vs MacroFactor

If you want to understand a nutrient gap, start with Cronometer. If you want calorie and macro targets to respond to your intake and weight trend, start with MacroFactor. Both now offer assisted logging; the useful distinction is what happens after the log.

About this comparison. Fuel publishes this page and competes with these apps. This September 8, 2026 update compares documented features, tier access, and practical use cases. It is not a new controlled speed, accuracy, or reliability test. Recommendations are qualitative; an older review score is not a measured head-to-head result.

01Choose by the question you want answered

Choose Cronometer for nutrient detail and inspectable food sources. Choose MacroFactor for calorie and macro adjustments based on intake and weight trends.

02What each app currently offers

Cronometer is the stronger starting point when you want to inspect vitamins, minerals, and the source behind a food entry. Its current listing documents free barcode scanning, an Apple Watch app, and Gold features including photo/voice logging, fasting, and Crono Coach. A branded label entry can still lack nutrients that were never measured or supplied; a long nutrient panel is not a guarantee that every field is known.

MacroFactor is built around estimating expenditure from logged intake and weight trends. Its AI logging workflow also supports a photo or photo plus description, followed by editable food results. The official terms list a seven-day trial and no continuing free tier. It is no longer accurate to describe the choice as AI logging versus manual logging.

03Nutrient investigation versus target adjustment

A runner checking iron-rich foods and a lifter adjusting a calorie target need different feedback. Cronometer makes nutrient detail easier to investigate. MacroFactor centers the relationship between intake, weight, and expenditure. Neither turns an incomplete food log into a measured energy requirement.

Before paying, decide whether your next useful action is changing food selection or changing the size of your calorie target.

04Food sources and regional coverage

A database total does not tell you whether your usual yogurt or restaurant meal is represented correctly. Search several products you actually buy, inspect serving units, and compare labels. In Cronometer, distinguish detailed generic-food records from branded entries with label-limited data. In MacroFactor, inspect the food returned after an AI suggestion.

Avoid a blanket Europe-versus-North-America verdict without a dated regional sample. The useful result is whether your own recurring meals are quick to verify.

05The first two weeks

MacroFactor needs enough consistent intake and weight data for its expenditure estimate to become useful. Cronometer can answer a nutrient question from the first correctly chosen entry, although meaningful diet patterns still require repeated days.

Try a normal training day and a rest day. Judge the food-entry effort and the feedback separately, rather than expecting a new plan to be calibrated immediately.

06Compare the full cost before choosing

Cronometer: US Gold: $10.99/month or $59.99/year; free basic tier. Official features and terms.

MacroFactor: US: $11.99/month or $71.99/year; seven-day trial. Official features and terms.

A monthly equivalent for an annual plan is still an upfront annual charge. Where a public fixed price is unavailable, compare the offers shown on the same day in the same country rather than treating an old promotional price as universal.

07Make the choice from your next ordinary week

Start with the app that solves the problem named above, then log a normal workday and a training or weekend day. Check portions, reuse a meal, and inspect the feedback before the trial ends.

If your priority is Apple Watch-based targets and a daily coaching workflow, see how Fuel works. That is a separate product choice; the case for either app here should stand on its own.