Comparison

Flex vs Habit Tracker

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

Head to head
About

Flex

Features
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Flex-Ability Concepts is the leader in curved walls. This app allows precise arc length and dome calculations for your upcoming projects. Product specifications, cut sheets and more are available at a glance. You can also find distributors & product representatives across the country. We're here to help you learn the easy & fast techniques for framing curved walls, ceilings, soffits, arches, and more!

About

Habit Tracker

Features
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Build routines that stick. Set a habit, keep your streak alive, and let AI handle the busy work. Track your progress, compete on global leaderboards, and manage your appointments, all in one place. AI That Saves You Time โ€ข AI Habit Boosts: generate a habit name, description, and success tip in one tap โ€ข AI Appointments: turn a quick prompt into a ready-to-save appointment, with the time and reminders set for you Global Leaderboards Compete with people around the world across four rankings: โ€ข Longest streaks โ€ข Total completions โ€ข Consistency โ€ข Monthly champions Rankings update for everyone on the same schedule, so the competition stays fair. Habits and Appointments in One Place Manage your routines, work, health, and personal commitments together, with reminders that keep you on track. Progress You Can See โ€ข Calendar grids that show your streaks at a glance โ€ข Color-coded habits for fast tracking โ€ข Consistency scores and milestone celebrations Built for Daily Use โ€ข iPhone and iPad โ€ข Light and dark themes โ€ข Fast cloud sync across your devices when you sign in โ€ข Export your data anytime Track What Matters Fitness, focus, health, work, productivity, mindfulness, and more. Free and Premium The free plan includes one habit and core tracking. Premium unlocks: โ€ข Unlimited habits โ€ข AI Habit Boosts and AI Appointments โ€ข Advanced customization โ€ข Detailed insights โ€ข Future upgrades Priority support is included with every plan. Start small, stay consistent, and turn daily actions into real momentum. Terms of Use: https://ktforge.dev/habittracker-eula Privacy Policy: https://ktforge.dev/habittracker-privacy

Screenshots

Flex4 screens
Habit Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Flex at none against Habit Tracker's 2. Habit Tracker's advantage is update cadence (every 10 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Habit Tracker sells 2 in-app purchases, starting at $4.99 per month. Flex asks for nothing beyond the download.

UpkeepUpdate frequency

Flex ships an update every 3 months, Habit Tracker every 10 days. Both last shipped on October 2, 2026.

Scorecard2 real differences ยท 4 level
Flex versus Habit Tracker: the parameters behind the verdict, then further details
ParameterFlexHabit Tracker
PriceFreeFree
Update frequencyEvery 3 monthsEvery 10 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhoneiPhone, iPad โ€” better
Requires iOS17.616.4 โ€” better
Further details โ€” not scored
Size23 MB85 MB
Age rating4+12+
Developersean ELLISONKT Forge

In-app purchases

None

Flex

No in-app purchases

2 purchases

Habit Tracker

Subscriptions2
  • Premium Monthly3 Days trial$4.991 Month
  • Premium Yearly3 Days trial$29.991 Year

Questions

Is Flex free?
Flex is free to download, with no in-app purchases.
Is Habit Tracker free?
Habit Tracker is free to download, with in-app purchases available.
Do Flex or Habit Tracker have ads?
Neither Flex nor Habit Tracker shows ads.
Which is updated more often, Flex or Habit Tracker?
Flex ships an update every 3 months, and Habit Tracker every 10 days. Most recently, Flex was updated on October 2, 2026 and Habit Tracker on October 2, 2026.

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