NutrientOS vs Cronometer

The honest summary

Cronometer is a nutrient-data product. Its defining strength is the depth and curation of its food database: it publishes the specific food composition databases it draws from, states that its data is laboratory-analysed rather than crowd-sourced, and tracks a broad panel of nutrients and compounds. If your priority is the widest possible nutrient panel from carefully curated records, that is a real and documented advantage.

On the exact size of that panel, this page does not assert a number. Cronometer's own current pages give different figures — its free-account feature page says up to 95 nutrients and compounds are tracked free of charge, its food-tracking page says up to 95 without tying that to a tier, its Gold comparison table lists up to 84 for Basic against up to 95 for Gold, and a blog post refers to 82 micronutrients. Because these are all first-party sources and they disagree, no tier-specific count is stated here rather than picking whichever figure suits the argument. The panel is broad either way; the precise ceiling is a question for Cronometer.

NutrientOS is a nutrition-context product. It tracks calories, macros, and micronutrients, and then adds derived signals — Food Grade, satiety, estimated glycemic impact — plus training, sleep, hydration, and recovery in the same app. The emphasis is on interpreting a day rather than maximising the nutrient count.

Neither of those is a defect. They are different products for overlapping audiences, and a serious micronutrient user could reasonably pick either.

Where Cronometer is the stronger choice

• •You want the broadest documented nutrient panel available and are comfortable checking Cronometer's current pages for exactly what each tier includes.
• •You want a vendor that publicly enumerates its food composition databases by name and standardises entries across them.
• •You work primarily from whole-food and laboratory-analysed records and want that curation to be the product's central promise.

Where NutrientOS is the stronger choice

• •You want food quality, satiety, and glycemic-impact context attached to foods as you log them, not just nutrient totals.
• •You want training, sleep, hydration, and recovery in the same app as nutrition rather than correlated across separate tools.
• •You want the substantive quality signals — Food Grade, satiety, micronutrients — available without a subscription.

Side by side

Cronometer details last reviewed against official sources on 2026-07-31.

Features and prices change, and both products ship regularly. The competitor details on this page were read from the official pages linked below on the review date shown, and may have changed since. Check the source before making a decision on price.

Sources

• Cronometer plans and pricing (official) — lists 84 for Basic, 95 for Gold
• Cronometer free-account features (official) — says up to 95 free of charge
• Cronometer food tracking (official) — says up to 95, no tier stated
• Cronometer free-features blog (official) — says 82 micronutrients
• Cronometer food data sources (official)
• NutrientOS pricing
• NutrientOS data sources

Common questions

Is NutrientOS more accurate than Cronometer?

That is not a claim either product can substantiate, and this page does not make it. Both draw on published food composition data, and both are limited by the same underlying reality: database values are representative averages, and portion estimation is the dominant source of error in practice.

Can I use both?

Yes, and some people do — one for nutrient depth and one for day-to-day context. Duplicate logging is tedious enough that most people settle on one after a few weeks.