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Best Keto Diet Tracking Apps for iPhone (2026)

10 apps ranked S through F · · Ranked by AppTierList, computed, never sold · JSON

Part of Nutrition Tracking.

Keto Diet App - Carb Tracker is the top-ranked of 10 keto diet tracking apps on iPhone, at S tier with 4.7/5 from 82,192 ratings.

  1. 1
    Free + IAP · ★ 4.7 · 82,192 ratings · score 96
  2. 2
    Free + IAP · ★ 4.8 · 736,090 ratings · score 95
  3. 3
    Free + IAP · ★ 4.6 · 62,047 ratings · score 95
  4. 4
    Free download · ★ 4.7 · 9,401 ratings · score 92
  5. 5
    Free download · ★ 4.7 · 5,184 ratings · score 91

What belongs in this list

Track food intake on a ketogenic diet and stay within carb and macro targets.

Not here: A general calorie counter alone; Keto recipes alone; A fasting timer alone; A meal plan with no tracking alone; A general chatbot that could be prompted for keto advice alone

How we pick

For this list we ask the App Store the same searches a person would, in several countries, and keep every app it returns. A model reads each app's listing and rejects the ones that only mention the use case. Every app that stays is scored out of 100 from four parts, each 0 to 100 and averaged with no weights: its App Store rating, how many people rated it, where the App Store itself ranks it for this list's searches, and how recently its current version shipped. An app showing Apple's Editors' Choice badge gets a fifth part of 100, which can only lift its score. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. The list's leader is S if it scores 80 or more. On a list of 20 or more ranked apps, a tier from S to D takes in new apps only up to a quarter of the top 40: an app pushed out of a full tier falls to the next tier with room, and F takes the rest. An app already in a tier keeps its place while the tier is at most 2 apps over a quarter; past that, only the apps over that margin go down, lowest score first. Equal scores share a tier, and no app has a better tier than an app ranked above it. An app keeps its tier until its score passes the band edge by more than 1 point, or a full tier or the order above moves it. Only the top 40 of a list get a tier. Read the full method →

Compare every app

  1. 1
    Free + IAP · ★ 4.7 · 82,192 ratings · score 96 · best in class
  2. 2
    Free + IAP · ★ 4.8 · 736,090 ratings · score 95 · best in class
  3. 3
    Free + IAP · ★ 4.6 · 62,047 ratings · score 95 · best in class
  4. 4
    Free download · ★ 4.7 · 9,401 ratings · score 92 · best in class
  5. 5
    Free download · ★ 4.7 · 5,184 ratings · score 91 · best in class
  6. 6
    Free download · ★ 4.6 · 8,933 ratings · score 90 · excellent
  7. 7
    Free download · ★ 4.8 · 10,814 ratings · score 80 · excellent
  8. 8
    Free download · ★ 4.6 · 3,989 ratings · score 61 · situational
  9. 9
    Free + IAP · ★ 4.5 · 197 ratings · score 57 · weak
  10. 10
    Free download · ★ 4.4 · 2,449 ratings · score 54 · weak · provisional

New in the last 30 days

Questions people ask

What is the best keto diet tracking app for iPhone?
Keto Diet App - Carb Tracker, S tier, ranked #1 of 10, rated 4.7 by 82,192 people.
Which keto diet tracking apps are free?
10 of 10 are free to download: Keto Diet App - Carb Tracker (S), Carb Manager: Keto & Macro Log (S), Keto diet app-Low carb manager (S), Keto Diet App: Keto Manager (S) and more. 4 of them sell in-app purchases.
Which keto diet tracking app has the best App Store rating?
Carb Manager: Keto & Macro Log at 4.8 from 736,090 ratings.
How many keto diet tracking apps reach S or A tier?
7 of 10. Tiers follow fixed score bands: S from 90, A from 80, B from 70, C from 60, D from 50, F below. The list's leader is S if it scores 80 or more. On a list of 20 or more ranked apps, a tier from S to D takes in new apps only up to a quarter of the top 40: an app pushed out of a full tier falls to the next tier with room, and F takes the rest. An app already in a tier keeps its place while the tier is at most 2 apps over a quarter; past that, only the apps over that margin go down, lowest score first. Equal scores share a tier, and no app has a better tier than an app ranked above it. An app keeps its tier until its score passes the band edge by more than 1 point, or a full tier or the order above moves it. Only the top 40 of a list get a tier.

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