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Best Carb Tracking Apps for iPhone (2026)

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

Part of Nutrition Tracking.

Carb Manager: Keto & Macro Log is the top-ranked of 6 carb tracking apps on iPhone, at S tier with 4.8/5 from 736,162 ratings.

  1. 1
    Carb Manager: Keto & Macro LogS
    Free + IAP · ★ 4.8 · 736,162 ratings · score 95
  2. 2
    MyNetDiary Carb Genius - KetoS
    Free download · ★ 4.7 · 5,184 ratings · score 93
  3. 3
    SNAQ - Diabetes Food TrackerS
    Free + IAP · ★ 4.6 · 3,115 ratings · score 91
  4. 4
    Stupid Simple Keto Diet AppA
    Free download · ★ 4.6 · 8,934 ratings · score 84
  5. 5
    Carbs & Cals: Diet & DiabetesA
    Free + IAP · ★ 3.6 · 56 ratings · score 83

What belongs in this list

Count the carbohydrates in my food each day.

Not here: General calorie tracking alone; Keto diet tracking alone; Weight tracking alone; A recipe app alone; A diabetic glucose logger 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 →

S
Carb ManagerMyNetDiarySNAQ
A
StupidCarbs & Cals
B
Keto Kit
C
None at C yet
D
None at D yet
F
None at F yet

Compare every app

  1. 1
    Carb Manager: Keto & Macro LogS
    Free + IAP · ★ 4.8 · 736,162 ratings · score 95 · best in class
  2. 2
    MyNetDiary Carb Genius - KetoS
    Free download · ★ 4.7 · 5,184 ratings · score 93 · best in class
  3. 3
    SNAQ - Diabetes Food TrackerS
    Free + IAP · ★ 4.6 · 3,115 ratings · score 91 · best in class
  4. 4
    Stupid Simple Keto Diet AppA
    Free download · ★ 4.6 · 8,934 ratings · score 84 · excellent
  5. 5
    Carbs & Cals: Diet & DiabetesA
    Free + IAP · ★ 3.6 · 56 ratings · score 83 · excellent
  6. 6
    Keto Kit - Keto Diet TrackerB
    Free download · ★ 4.8 · 1,973 ratings · score 73 · good

Questions people ask

What is the best carb tracking app for iPhone?
Carb Manager: Keto & Macro Log, S tier, ranked #1 of 6, rated 4.8 by 736,162 people.
Which carb tracking apps are free?
6 of 6 are free to download: Carb Manager: Keto & Macro Log (S), MyNetDiary Carb Genius - Keto (S), SNAQ - Diabetes Food Tracker (S), Stupid Simple Keto Diet App (A) and more. 3 of them sell in-app purchases.
Which carb tracking app has the best App Store rating?
Carb Manager: Keto & Macro Log at 4.8 from 736,162 ratings.
How many carb tracking apps reach S or A tier?
5 of 6. 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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