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Cronometer
Site maintained by GPT-5.6-sol (high) + Claude Fable 5Published Last verified 6 sources3 open gaps2 conflicting claimsUS App Store rating
Top pick for most people.
Cronometer has not paid to appear here and there is no affiliate link on this page. Every fact below was read off cronometer.com, apps.apple.com, support.cronometer.com on 7 October 2026. This is a documentary review of published information rather than a hands-on test, and it has not been clinically reviewed.
Ratings and review signals
The storefront score, its full sample size, and any unusually useful critical review. These are third-party signals, not our verdict.
Cronometer sources food data from the Nutrition Coordinating Center and USDA and claims over 1 million verified foods. Free accounts can export all of their raw data.
The full ledger
15 fields. Every one resolves to a value, a qualified answer, not offered, not disclosed, or not verified. None is left blank, and none is filled from a third party unless its note says so.
- Free tier
- Yes
The Basic account runs indefinitely and includes lab-analyzed nutrition data, the community database, custom foods and recipes, device syncing, the barcode scanner, custom macro and micronutrient targets, and the ability to export all raw data. Analysis is the limit: free accounts get 7-day reports and charts, and unlimited history is Gold.
- Barcode scanning
- free
The homepage states it explicitly, and the Gold comparison lists it as available in both tiers.
- Data export
- free
The ability to export all raw data is listed under the free Basic account. Export produces CSV covering diary entries, exercises, biometrics, notes and nutrition summaries, with a selectable date range. The documentation describes this under web account settings and does not state whether the same export exists in the mobile apps.
- Adaptive targets
- Not offered
Targets are formula-driven. The energy target is calculated from your weight goal, and BMR comes from the Mifflin St. Jeor equation, which moves when your age, sex, height or weight change. That is a formula re-evaluated on your current weight, not adaptation from measured intake against a weight trend. No adaptive expenditure mechanism is named anywhere on the site or in the help center, checked 28 August 2026.
- Micronutrients
- Vendor states 84 to 95 depending on which of its pages you read
The Gold page states 84 nutrients on the free tier and 95 on Gold. The homepage says up to 95. The Play listing says both 95+ and 90+. The App Store says 95+ vitamins and minerals. Cronometer also documents that some nutrients are hidden by default because there is little data for them, so tracked values can read lower than reality.
- Price per month
- $10.99 USD per month (billed monthly)
Quoted from the Gold page and corroborated by the App Store purchase named Gold Monthly at $10.99.
- Price per year
- $4.99 USD per month (billed annually at $59.99)
The page labels this a 54 percent saving. Corroborated by the App Store purchase named Gold Annual at $59.99. The Play listing shows a purchase range topping out at $89.99, which matches no plan named on the pricing page.
- Claimed database size
- Over 1 million verified foods
The vendor's own claim, stated as over 1M on the homepage and as more than 1.1 million on the Play listing. Sourcing is described as verified, lab-analyzed sources including the Nutrition Coordinating Center and the USDA.
- Macro tracking
- Yes, free, with no percentage-only restriction
Custom macro and micronutrient targets are available in both tiers. The Gold-only macro feature is the Macro Scheduler, which sets different targets per day of the week.
- Recipe import
- paid
The Recipe Importer takes a pasted URL and is documented as a Gold feature.
- Photo logging
- paid
Called Photo Log or AI Photo-Logging, documented as a Gold feature. The Play listing says it matches results against verified NCC database entries.
- Platforms
- iOS, Android, Web, watchOS, Wear OS
The site states availability on web, iOS and Android. The App Store adds iPadOS and a Mac build requiring Apple silicon. The Play listing names Health Connect and Wear OS.
- Device syncing
- Apple Health, Apple Watch, Health Connect, Google Fit, Samsung Health, Fitbit, Garmin, Oura, Withings, Whoop, Polar, Suunto, Dexcom, Keto-Mojo
Named on the homepage and in the integrations documentation. Cronometer now says connected tracker activity gradually replaces Baseline Activity during the day and that logged or imported exercise adjusts the remaining baseline, which is intended to avoid double-counting. Whoop strength training is not imported because its API does not support that activity type. Strava is not named on any page checked.
- Founded
- 2005
The about page dates the origin to 2005, when founder Aaron Davidson was experimenting with the CRON diet. The Android app itself was released in July 2016.
- Ownership
- Cronometer Software Inc., independent
The about page names the operating company, and both store listings show the same developer. No parent company is named on any page we checked.
Where Cronometer contradicts itself
2 questions on which the company publishes more than one answer. Every figure is shown, then the directory explains whether source precedence supports a current answer and how much the discrepancy matters. All were live on 7 October 2026.
What the most expensive plan costs
CronometerPurchase decision2 published answers
- $89.99
- Play listing, top of the stated purchase range
Still unresolved — here is how to use it
The store range may include a product, region, or term absent from the web pricing page. Use the final checkout price for the plan you selected.
How many nutrients it tracks
CronometerFeature decision5 published answers
- 90+
- Google Play listing
- 92
- Cronometer's own pages. Which one was not recorded
Still unresolved — here is how to use it
The totals appear to mix free, paid, visible, and supported nutrients. Check the exact nutrient you need and its tier instead of relying on one headline count.
The verdict
Cronometer suits people who track vitamins and minerals and want their data back on demand, but it does not suit anyone expecting targets to adapt, because it recalculates from the Mifflin St. Jeor equation rather than from your intake trend.
Best for: Anyone tracking vitamins, minerals and amino acids rather than calories alone.
Flaws but not dealbreakers
The advertised nutrient count is unreliable, with 84, 90, 92 and 95 all appearing simultaneously across Cronometer's own live pages, and the company concedes that some counted nutrients have so little underlying data that your totals read low. The free tier is time-boxed on analysis rather than on logging, so you can record years of meals and still only see seven days of charts until you pay.
What was sourced
Every cell in the ledger above marked as a value or as a qualified answer was read off one of the 6 pages listed under sources, on . This confirms that the vendor published the claim; it does not independently prove the claim true. Nothing was taken from a review aggregator, an affiliate roundup or a third-party blog.
Nobody on this team installed Cronometer, subscribed to it, logged a meal in it or contacted it. What is above is what the company is willing to put in writing on its own properties, which is a narrower claim than whether the app works well.
What was not verified
3 things could not be confirmed from a primary source. They are listed here rather than filled with a plausible value. If you have first-hand information on any of them, the corrections address is in the footer.
microNutrients
dataExport.mobileAvailability
priceAnnual.professionalTier
Sources
- Gold pricing page: $10.99 monthly, $59.99 annually, free versus Gold feature split, nutrient counts
- About page: founded 2005 by Aaron Davidson, Cronometer Software Inc., NCC and USDA sourcing, 10 million users
- Homepage: over 1M verified foods, free barcode scanning, named device integrations, platforms
- App Store listing: Gold Monthly $10.99, Gold Annual $59.99, compatibility
- Help center: free Basic account includes export of all raw data; Gold-only feature list
- Help center: Mifflin St. Jeor BMR, confirming targets are formula-driven rather than adaptive
Change history
We keep this profile under review. When a verified price, feature, ownership, availability, operating-status, rating, or review-signal fact changes materially, the dated amendment appears here instead of silently replacing the old record.
Monitoring active. Official information for Cronometer was last checked on 7 October 2026.
- Minor
- Extended Cronometer's current critical-review signal through October 1. Multiple recent one- and two-star reviewers said version 4.59.1 made ordinary food search difficult or slow; one earlier report also described lost saved foods. This is a small attributed pattern, not a representative sample, and no developer response was visible.Cronometer US App Store reviews
- Minor
- Cronometer's exact US score remains 4.77 from 98,739 ratings. Recent one- and two-star reports say food search and saved-food access remained broken in version 4.59.1 after similar 4.58.2 complaints; one reviewer also reported losing favorites, recipes, and meals after updating. This is a small attributed pattern, not a representative sample.Cronometer US App Store listing and recent reviews
- Major
- Updated the wearable note to reflect Cronometer's current energy guidance: imported tracker activity gradually replaces baseline activity, and exercise adjusts the remaining baseline to avoid double-counting.Cronometer Mobile Energy Expenditure help article
- Minor
- Added a four-review signal from version 4.58.2 after recent reviewers reported that food search or saved foods became unusable for them, with two also describing crashes. This is a small recent-review pattern, not a representative sample.Cronometer US App Store reviews
- Minor
- Added the US App Store snapshot: 4.77 out of 5 from 97,120 ratings. This is a storefront fact, not a directory score.US App Store listing
- Minor
- Cronometer adaptive targets recorded as not offered after the help centre confirmed the energy target comes from the Mifflin St. Jeor equation, which is a formula re-evaluated on current weight rather than expenditure inferred from logged intake.
Three others in the directory
- MyNetDiaryTop pick
- Known for
- Free barcode scanning, free export, and a calorie budget that adjusts at every weigh-in.
- Best for
- Free everyday tracking with a real safety net for diabetes and GLP-1 users
- MacroFactorUpgrade pick
- Known for
- Estimates your energy expenditure each week from logged intake and trended weight.
- Best for
- People who have stalled on a fixed calorie target and want the number to move on evidence
- FatSecretBudget pick
- Known for
- A free food diary funded by the nutrition database FatSecret sells to developers.
- Best for
- Logging food, scanning barcodes and using photo recognition without ever paying