Comparison

Karbs vs FIT4DT1

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Karbs

Easily track carbohydrate intake for managing diabetes. Create custom food lists, build meals, and instantly see total carb counts. Syncs with Health for comprehensive health monitoring.

Highlights
  • Create custom food lists
  • Build meals from food lists
  • Track quantities
  • Instant carb calculation
  • Sync with Health app
Read full description

Count carbs easier than ever. Crafted with love for patients with diabetes. - Create a list of food you buy at the supermarket or order at your favorite restaurants. - Create meals and add food from your own list. - Add the quantity for each item. - See the total calculation immediately. - Sync data with Health. Disclaimer: This application can cause you severe harm in case of misuse. If you are a patient with a metabolic disease such as diabetes, your doctor must teach you how to count carbohydrates properly from nutrition facts. You should stop using this application immediately if you do not know how to count carbohydrates. If you use a bolus calculator and you inject insulin based on an erroneous amount of carbohydrates you could be at serious risk, including risk of death. If you use this application, you understand and agree that you are solely responsible for its correct use and supervision by a professional. This application is not a regulated medical device.

About

FIT4DT1

Read full description

L'application FIT4DT1 est destinée aux personnes vivant avec de diabète de type 1. FIT4DT1 est une application de santé et d'éducation thérapeutique basée sur le protocole FIT dont l'efficacité pour améliorer la qualité de vie et la santé des patients diabétique de type 1 a été démontrée par des études cliniques. FIT4DT1 n'est ni une application de diagnostic ni une application de soin. Fonctionnalités principales de l’application : - Visualiser la dynamique de la glycémie dans des situations contrôlées - Permettre le suivi de l’évolution sur le long terme (âge, changement etc..) Objectifs: - Amélioration de l’autogestion du traitement par insuline sur la base d’une meilleure connaissance cette dynamique - Extension massive des participants qui ont accès au cours FIT par l’outil digital

Screenshots

Karbs4 screens
FIT4DT13 screens

Verdict

The call

The clearest difference is price: FIT4DT1 at Free against Karbs's $2.99. FIT4DT1 also leads on iOS requirement (15.1 vs 27.0). Karbs's advantage is update cadence (every 8 days vs every 6 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

FIT4DT1 is free to download; Karbs costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Karbs ships an update every 8 days, FIT4DT1 every 6 months. The most recent releases landed on September 24, 2026 and September 14, 2026 respectively.

Scorecard3 real differences · 5 level
Karbs versus FIT4DT1: the parameters behind the verdict, then further details
ParameterKarbsFIT4DT1
Price$2.99Free — better
Positive reviews0.0% of reviews—
Update frequencyEvery 8 days — betterEvery 6 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
DevicesiPhoneiPhone, iPod — better
Requires iOS27.015.1 — better
Further details — not scored
Size12 MB21 MB
Age rating17+17+
DeveloperCristian Ortega GomezAyaru sarl

In-app purchases

None

Karbs

No in-app purchases

None

FIT4DT1

No in-app purchases

Questions

Is Karbs free?
Karbs costs $2.99, with no in-app purchases.
Is FIT4DT1 free?
FIT4DT1 is free to download, with no in-app purchases.
Do Karbs or FIT4DT1 have ads?
Neither Karbs nor FIT4DT1 shows ads.
Which is updated more often, Karbs or FIT4DT1?
Karbs ships an update every 8 days, and FIT4DT1 every 6 months. Most recently, Karbs was updated on September 24, 2026 and FIT4DT1 on September 14, 2026.

Other comparisons