Comparison

Habit Jars vs Kairos

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

Head to head
About

Habit Jars

This app helps you build self-improvement routines by visualizing your progress with a unique jar metaphor. Log habits to fill jars with marbles, track streaks, and organize your goals with custom colors. It's designed for privacy and ease of use.

Highlights
  • Visualize progress with habit jars
  • Log habits by adding marbles
  • Track streaks and stats
  • Organize habits with custom colors
  • Private data storage via iCloud
Read full description

The perfect habit tracker to help you on your shelf-improvement journey (pun intended). Habit Jars helps you visualize your progress. Every time you log a habit, you drop a marble into a jar. Keep stacking marbles at your own pace or start a Streak to help you stay consistent and motivated. You can organize your shelves, and give a unique color to each jar to easily track your progress at a glance. Why people love it: - Designed to feel like a real object in your hand. - Easy to use: tap to add a marble, that's it. - Track your streaks and stats over time. - Decorate your shelves to make the app feel like home. The app is free to download and you can unlock unlimited jars and marbles with a one-time purchase. No subscriptions, ever. So start small, fill your jars, and become the best version of yourshelf (fine I’ll stop). Privacy Policy: https://floperillat.com/habit-jars/privacy Terms of Service: https://floperillat.com/habit-jars/terms

About

Kairos

This app helps you track important dates and milestones with customizable countdowns. Set goals, break them into tasks, and build routines to stay on track. Visualize your progress and stay motivated with daily overviews and projections.

Highlights
  • Customizable countdowns for any event
  • Goal setting with tasks and routines
  • Progress tracking for numerical targets
  • Daily overview of upcoming tasks
  • Projection of completion timelines
  • Count up or count down functionality
  • Home and Lock Screen widgets
Read full description

Pick a moment that matters: a trip, a birthday, an exam, a wedding, a milestone, or a fresh start. Keep it as a simple countdown, or give it goals and the steps that get you there. Kairos keeps your dates in view, and helps you arrive ready. • Goals, your way: - Set goals for any countdown, as many as you like - Add tasks. Schedule when to do them and save them for later when you're overwhelmed. - Build a routine. Check off recurring habits and keep the streak going. - Hit a target. Track progress toward a number: miles run, pages written, money saved. - Hold the line. Count the days you've stayed away from something, or count up from day one. • Everything in one place. Your Today view gathers what’s due across every countdown into one daily list, with suggestions for what to do next. • Stay on pace. Kairos shows your history and projects what it takes to finish on time, so you never have to wonder if you’ll make it. • Count down, or count up. Track days until, days since, and yearly dates like birthdays that roll over on their own. • Always in sight. Lock Screen and Home Screen widgets keep your countdowns at a glance. The days are counting. Make them count. Arrive ready. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Habit Jars4 screens
Kairos4 screens

Verdict

The call

The clearest difference is iOS requirement: Kairos at 17.0 against Habit Jars's 26. On price, rating, ratings volume and update cadence 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

Both are free to download. Habit Jars sells 5 one-off in-app purchases and Kairos sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Habit Jars against 5.0 for Kairos. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

UpkeepUpdate frequency

Habit Jars ships an update every 3 days, Kairos every 4 days. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
Habit Jars versus Kairos: the parameters behind the verdict, then further details
ParameterHabit JarsKairos
PriceFreeFree
Rating5.0 (3 ratings)5.0 (2 ratings)
Positive reviews—100.0% of reviews
Number of ratings3 — better2
Update frequencyEvery 3 days — betterEvery 4 days
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhoneiPhone
Requires iOS2617.0 — better
Further details — not scored
Size79 MB23 MB
Age rating4+4+
DeveloperFlorent PerillatJonathan Davis

Customer experience

Habit Jars

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Kairos

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

5 purchases

Habit Jars

One-time5
  • Habit Jars - Lifetime$4.99
  • Habit Jars - Lifetime$8.99
  • Habit Jars - Lifetime$12.99
Show 2 more
  • Habit Jars - Lifetime$17.99
  • Habit Jars - Lifetime$22.99
3 purchases

Kairos

Subscriptions2
  • Monthly7 Days trial$4.991 Month
  • Annual7 Days trial$24.991 Year
One-time1
  • Lifetime$49.99

Questions

Is Habit Jars free?
Habit Jars is free to download, with in-app purchases available.
Is Kairos free?
Kairos is free to download, with in-app purchases available.
Which has better reviews, Habit Jars or Kairos?
Habit Jars and Kairos are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.
Do Habit Jars or Kairos have ads?
Neither Habit Jars nor Kairos shows ads.
Which is updated more often, Habit Jars or Kairos?
Habit Jars ships an update every 3 days, and Kairos every 4 days. Most recently, Habit Jars was updated on October 31, 2026 and Kairos on October 31, 2026.

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