Comparison

Era vs 21/90 Habit

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

Head to head
About

Era

Features
Read full description

Era is a minimal, mindful breathing app designed to help you slow down, refocus, and reset. Follow a simple rhythm — breathe in for 4 seconds, hold for 2, release for 4 — and feel stress melt away in just three rounds. Set gentle reminders to pause and breathe throughout your day, build healthy habits, and track how often you take time to relax. Era’s clean interface and analytics help you see your progress without distractions. Whether you’re winding down for sleep, easing anxiety, or improving focus, Era brings calm to your routine. Perfect for: • Reducing stress and finding relief • Improving focus and mindfulness • Creating a daily meditation habit • Supporting better sleep and relaxation Features: • Guided breathing pacer & timer • Smart notifications to stay consistent • Minimal design for focus and clarity • Insights into your breathing patterns Take a moment. Breathe. Find your calm with Era.

About

21/90 Habit

This app guides you through building a single habit over 90 days, focusing on consistency over perfection. It offers gentle reminders, progress tracking, and a kind streak system that doesn't punish missed days. Unlock a new you by committing to one change.

Highlights
  • Focus on one habit at a time
  • 90-day habit building journey
  • Kind streak system with progress freezing
  • Daily reminders
  • Progress ring visualization
  • Home Screen & Lock Screen widgets
  • Day-90 keepsake card
Read full description

Most habit apps hand you a 40-item checklist and a streak that punishes you the moment you slip. 21/90 does the opposite. You pick ONE habit and that's the whole point. The idea is simple: it takes about 21 days to build a habit, and 90 to truly live it. 21/90 walks every one of those days with you. WHY ONE HABIT Focus beats volume. When you commit to a single thing walk, read, meditate, pray, drink more water, stay sober you actually do it. No dashboard to manage. No guilt. Just show up, tap once, and watch it become part of who you are. TWO ACTS, ONE JOURNEY Act 1 — Building it (days 1–21): the reps that wire the habit in. Act 2 — Living it (days 22–90): where the habit stops being a task and becomes your identity. The whole app visibly shifts when you cross day 21. A STREAK THAT'S KIND Miss a day? You don't start over here. Your progress is a record, not a rule and streak freezes let you protect a hard-won run. Consistency beats perfection. WHAT'S INSIDE A beautiful progress ring that fills as you show up Gentle daily reminders, tuned to your habit Streak, show-up rate, and clean insights A hand-picked quote for every one of the 90 days A day-90 keepsake card to share your story Home Screen & Lock Screen widgets Private by design your data is yours FREE, HONESTLY The Prayer habit is free forever. Every other habit comes with 21/90 Plus and a 7-day free trial, so you can try the full journey before you pay a cent. Pick one thing. Give it 90 days. Meet a new you. 21/90 Plus is an auto-renewable subscription. Monthly — $4.99 / month Yearly — $19.99 / year New subscriptions start with a 7-day free trial. Payment is charged to your Apple ID at the end of the trial unless auto-renew is turned off at least 24 hours before it ends. Manage or cancel anytime in your device's Settings → Apple ID → Subscriptions. Privacy Policy: https://2190habitbuilder.netlify.app/privacy-policy Terms of Use: https://2190habitbuilder.netlify.app/terms-of-service

Screenshots

Era4 screens
21/90 Habit4 screens

Verdict

The call

Era and 21/90 Habit are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. Era sells 1 one-off in-app purchase and 21/90 Habit sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

ScorecardNo meaningful differences
Era versus 21/90 Habit: the parameters behind the verdict, then further details
ParameterEra21/90 Habit
PriceFreeFree
Rating—5.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 2 weeks—
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhoneiPhone
Requires iOS18.5 — better18.6
Further details — not scored
Size6 MB11 MB
Age rating4+4+
DeveloperAlexander PicardPashtrik Kajtazaj

In-app purchases

1 purchases

Era

One-time1
  • Era Lifetime Access$9.99
2 purchases

21/90 Habit

Subscriptions2
  • 21/90 Plus Monthly7 Days trial$4.991 Month
  • 21/90 Plus Yearly7 Days trial$19.991 Year

Questions

Is Era free?
Era is free to download, with in-app purchases available.
Is 21/90 Habit free?
21/90 Habit is free to download, with in-app purchases available.
Do Era or 21/90 Habit have ads?
Neither Era nor 21/90 Habit shows ads.

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