Keto App Comparison

Keto Kit vs MacroFactor

MacroFactor is a premium adaptive macro tracker built by the team behind Stronger By Science. Its signature feature is an algorithm that adjusts your daily macros based on your actual rate of weight change — popular with serious lifters and physique-focused users. Keto Kit is a keto-first app with macro tracking plus a built-in 5-stage fasting timer, a daily 0–100 Keto Score, and a keto-trained AI coach. The two apps target different audiences and price tiers, and both can work for keto, but they optimize for different goals.

Bottom line

MacroFactor's adaptive algorithm is a genuinely strong differentiator if you're optimizing physique outcomes and want macros that recalibrate as your weight changes. Keto Kit is the better fit for keto adherence specifically — its Keto Score, 5-stage fasting timer, and keto-curated recipes are designed for ketogenic users, and most live on the free tier. MacroFactor has no permanent free tier (free trial only); annual pricing is roughly comparable for paid users (~$71.99/yr MacroFactor vs $49.99/yr Keto Kit Premium).

Last reviewed: April 2026

Choose Keto Kit if…

Choose Keto Kit if you follow keto and want a free tier that handles your daily tracking — Keto Score, fasting, net carbs, and basic logging are free. Premium ($5.99/month) adds AI photo recognition, voice logging, and the AI coach.

Choose MacroFactor if…

Choose MacroFactor if you're optimizing physique outcomes (cut, maintain, bulk), want macros that auto-adjust based on actual weight trends, prefer evidence-based defaults, and don't mind paying upfront. Less ideal if you need fasting tracking, keto-specific recipes, or any free tier.

Pricing & free-tier coverage

What you actually get for free, what costs extra, and how aggressively each app pushes you toward a paid tier.

Keto Kit

Recommended
Free tier
Manual food search, barcode scanning against the 500,000+ database, fasting timer with 5 metabolic stages, the daily 0–100 Keto Score, gamification, restaurant guide, and basic recipe access. No credit card required.
Paid tier
AI Photo Scan, Voice Food Logging, Keto AI Coach, full recipe library access, AI Shopping Lists, Batch Barcode Scanner, AI Meal Planning, advanced analytics, ad-free experience.
Price
$5.99/month or $49.99/year (annual saves ~30%)
Paywall posture
Premium adds AI conveniences; the keto-specific tracking core (Score, fasting, gamification) stays free

MacroFactor

Free tier
Free trial only (typically ~7 days). After trial, the app requires a subscription to continue using.
Paid tier
Full app: adaptive macro algorithm, food database with verified entries, expenditure modeling, weight trend analysis, recipe builder, advanced analytics.
Price
Approximately $11.99/month or $71.99/year (US App Store; varies by region)
Paywall posture
Premium-only — the entire app is paid after a short trial

Pricing reviewed April 2026; verify in-app for current rates as both apps adjust pricing periodically.

Side-by-side: Keto Kit vs MacroFactor

A feature-by-feature comparison of how Keto Kit and MacroFactor stack up for ketogenic dieters.

FeatureKeto KitMacroFactor
Designed specifically for ketoYes — keto-first from day oneNo — general macro tracker for any diet
Daily Keto Score (0–100)YesNo
Intermittent fasting timerYes — 5 metabolic stages, free tierNo
Adaptive macro algorithmNo — macros set manually or via in-app calculatorYes — recalibrates based on weight trend vs intake
Free tierYes — generous free tierNo — free trial only, then subscription required
Net carb trackingYesYes
AI photo food recognitionYes (Premium)No
Voice meal loggingYes (Premium)No
AI coach for diet questionsYes — keto-trained (Premium)No
Curated keto recipes1,000+ keto-only recipesRecipe builder; not keto-curated
Food database500,000+ items, curatedVerified database with strong accuracy emphasis
Premium price$5.99/month or $49.99/yearApproximately $11.99/month or $71.99/yearMacroFactor has no permanent free tier; access requires a subscription after the trial. Pricing varies by region.

Source: Keto Kit team analysis, April 2026. Competitor feature sets change frequently — see each app's website for the latest.

How they compare, category by category

Going beyond the feature-checklist view — the substantive differences in how each app handles the things keto dieters actually use day-to-day.

01

Adaptive macro coaching

Keto Kit

Keto Kit doesn't adapt macros automatically. You set targets manually or via the in-app Keto Calculator (Mifflin-St Jeor and Katch-McArdle BMR formulas) and adjust as needed. For most keto users, net carbs stay pegged at a constant target (often 20g) regardless of phase, which makes the adaptive recalibration that MacroFactor offers less critical for the carb axis.

MacroFactor

MacroFactor's signature feature. The algorithm estimates your maintenance calories from logged intake plus weight trend, then adjusts your daily macros to keep you on your chosen rate of change. Most useful for cut/bulk phases where rate-of-change matters; less differentiating for steady-state keto adherence.

02

Keto-specific tooling

Keto Kit

Daily Keto Score (0–100), 5-stage fasting timer (Fed → Autophagy), 1,000+ keto-only recipes with verified macros, restaurant guide for keto-friendly menu items. Most of this is on the free tier.

MacroFactor

No Keto Score, no integrated fasting timer, no keto-specific recipe library. MacroFactor handles keto by setting your macros to a keto distribution; the rest of the keto-specific signal isn't part of the product.

03

Food logging UX

Keto Kit

500,000+ curated food database with barcode scanning on the free tier. Premium adds AI Photo Scan and natural-language voice logging, both fast for keto-frequent foods. Keto Kit's logging is optimized for speed in the keto context.

MacroFactor

MacroFactor users praise the verified-entry flow and the database's accuracy emphasis. Manual entry is fast and the food database covers most needs. No AI photo or voice logging — purely typed/searched.

04

Pricing model

Keto Kit

Free tier covers most keto users' daily needs (Score, fasting, net carbs, basic recipes). Premium ($5.99/month or $49.99/year) is optional and adds AI tooling.

MacroFactor

Subscription-only (~$71.99/year) after a free trial. There's no permanent free tier, so the comparison is between Keto Kit's free tier and MacroFactor's full paid product.

Pros & cons

Where each app shines and where it falls short — straightforward, no marketing spin.

Keto Kit

Pros

  • Keto-first design — Keto Score, fasting, recipes built for keto
  • Generous free tier covers most keto users' daily workflow
  • 1,000+ keto-only recipes with verified macros
  • Keto-trained AI coach (Premium)
  • AI photo and voice logging on Premium
  • Lower paid price ($49.99/yr vs $71.99/yr MacroFactor)

Cons

  • No adaptive macro algorithm — macros are manual or calculator-driven
  • Less of a fit for non-keto physique optimization (cut/bulk cycles)
  • Smaller serious-lifter community than MacroFactor

MacroFactor

Pros

  • Best-in-class adaptive macro algorithm
  • Evidence-based defaults from a respected research team
  • Clean, fast UX with verified food database
  • Strong fit for physique outcomes (cut, maintain, bulk cycles)

Cons

  • No permanent free tier — paid only after trial
  • No fasting timer at any tier
  • No keto-specific scoring or signals
  • No keto-curated recipe library
  • More expensive annual price
Migration tips

Switching from MacroFactor to Keto Kit

A practical checklist for moving your data, habits, and baseline tracking over without losing momentum.

  1. 1

    Export your MacroFactor logs (CSV from the web dashboard) so you have a record of past intake and weight trends.

  2. 2

    Set your keto macros in Keto Kit using the in-app Keto Calculator (Mifflin-St Jeor by default, Katch-McArdle if you know your body fat).

  3. 3

    If MacroFactor's adaptive algorithm gave you a maintenance estimate that worked, use that as your starting calorie target in Keto Kit and adjust by ±10% based on results.

  4. 4

    Re-add favorites in Keto Kit's quick-add list during the first week for fast logging.

  5. 5

    Run both apps for one to two weeks if you want to compare maintenance estimates and feel out the workflow difference.

Frequently asked questions

Common questions about choosing between Keto Kit and MacroFactor.

Can MacroFactor work for keto?

Yes — you can set MacroFactor's macros to a keto distribution (low carb, moderate protein, high fat) and use it for general macro tracking. You won't get keto-specific signal (Keto Score, ketosis estimates) or an integrated fasting timer, and the recipe builder isn't keto-curated.

Does MacroFactor have a fasting timer?

No. MacroFactor doesn't include a fasting timer at any tier. Keto Kit's free tier includes a 5-stage metabolic fasting timer with presets for 12:12 through OMAD plus custom windows.

Does MacroFactor have a free tier?

MacroFactor offers a free trial (typically around 7 days), but no permanent free tier. After the trial, continued access requires a subscription.

How does MacroFactor's adaptive algorithm differ from Keto Kit's calculator?

MacroFactor's algorithm continuously updates your maintenance estimate from your logged intake and weight trend, then recalibrates daily macros. Keto Kit uses a fixed BMR/TDEE calculation (Mifflin-St Jeor or Katch-McArdle) that you can manually adjust. For steady-state keto, the adaptive recalibration is less critical because net carbs and protein targets typically stay constant.

Is Keto Kit good for non-keto users?

Keto Kit is designed for keto specifically. Many of its differentiators (Keto Score, ketosis estimates, keto recipes, fasting + macro integration) only deliver value if you're following a ketogenic diet. For non-keto macro tracking, MacroFactor is a better fit.

Which has better food logging?

Both have well-curated food databases. MacroFactor's verified-entry flow is highly praised for accuracy. Keto Kit on Premium adds AI Photo Scan and natural-language voice logging, which are faster for keto-frequent foods. Manual logging is fast on either app; the difference is primarily about Premium AI features.

The verdict

MacroFactor and Keto Kit serve different primary audiences. MacroFactor is excellent if your goal is physique optimization with evidence-based adaptive macros (lifting, recomp, contest prep). Keto Kit is the right choice for keto adherence specifically — the Keto Score, integrated 5-stage fasting, and keto-curated recipes target a different user. For most keto users, Keto Kit's free tier alone covers what would require MacroFactor's full subscription elsewhere — and Keto Kit's Premium ($49.99/yr) is comparable on annual price for users who also want AI logging and the AI coach.

Free forever · No credit card

Try Keto Kit free

Free on iOS and Android. No card needed. No subscription to cancel.

4.8App Store
4.6Google Play
1M+Downloads

Other comparisons