Comparison

75 Days Challenge vs Day75

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

Head to head
About

75 Days Challenge

This app helps you build lasting habits by tracking your progress on custom challenges. Set flexible durations, log daily progress with photos and notes, and monitor weight trends. Stay motivated with home screen widgets to maintain your streaks.

Highlights
  • Custom challenges
  • Flexible durations
  • Home Screen widgets
  • Photo progress & compare
  • Notes on every entry
  • Weight tracking & summaries
Features
Read full description

Your challenge. Your rules. Set a goal, pick the duration, add your tasks — and show up every day. Run a 15-day sprint, a 30-day reset, a 75-day grind, a 90-day marathon — or anything from 1 to 365 days. Better keeps you accountable and makes progress visible. Build your challenge Create any habit challenge with custom tasks. Choose binary tasks (done/not done) or incremental ones (track reps, glasses, pages). Set reminders so nothing slips. See your transformation Snap daily progress photos and compare them side by side. Log weight and body measurements to watch trends over weeks and months. Write journal entries — even add voice notes — to stay mindful. Stay connected to your health Sync with Apple Health to auto-track steps, calories, water, sleep, exercise minutes, and more — 14 health metrics that update your tasks automatically. Get coached by AI Stuck in a rut? Ask your AI coach for advice on habits, motivation, or your weekly progress. It knows your data and gives personalized nudges. Join the community Share updates, follow friends, cheer each other on with likes and comments. Seeing others show up makes you want to show up too. Celebrate every win Unlock achievements across 9 categories, watch your streak grow on the activity heatmap, and share custom progress cards. Lives on your Home Screen Home screen and lock screen widgets let you check off tasks without even opening the app. One tap. Done. On your wrist Better on Apple Watch shows today's tasks: tick them off, count with the Digital Crown, and see your Apple Health tasks update live. Included with Pro. Available in 35+ languages. Subscription Better offers a 7-day free trial so you can explore everything the app has to offer. After the trial, payment will be charged to your Apple ID account. The subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. You can manage and cancel your subscription in your Apple ID account settings. Ready to start? Make today Day 1. Terms of Service: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.joinbetter.app/privacy-policy Contact us: alexander.feedback@icloud.com

About

Day75

This app guides users through a 75-day challenge focused on building discipline and mental toughness. It provides tools to track daily tasks like workouts, diet, water intake, and reading, with options for custom challenges and progress visualization.

Highlights
  • Daily task checklist
  • Smart countdown timer
  • Water intake tracker
  • Reading log
  • Progress photo journal
  • Challenge analytics
  • Custom challenge durations
Features
Read full description

A 75-day mental toughness challenge that transforms your discipline one day at a time. This isn't about motivation—it's about keeping promises to yourself. Track your journey with an app that keeps you accountable. Complete two 45-minute workouts (one outdoors), follow your chosen diet, drink a gallon of water, read at least 10 pages, and take a progress photo. Every single day, for 75 days. CORE FEATURES - Daily checklist for all 6 tasks - Smart countdown timer to your daily reset - Water intake tracker (128 oz daily goal default) - Reading log with book title and page counter - Progress photo journal with side-by-side comparisons - 75-day calendar with monthly and weekly views - Daily reminders, milestone alerts, and streak notifications - Challenge variants: Hard, Medium, and Soft modes - Daily notes to journal your progress - Challenge analytics and completion stats - Share your achievements with custom progress images PREMIUM FEATURES - Cloud photo backup and sync across devices - Up to 5 photos per day - Custom challenge durations - Create your own challenge rules and tasks - Edit previous day entries - Adjust start dates retroactively - Photo timelapse generation with export options - Health snapshot and trends dashboard - Export challenge data (CSV format) - Downloadable PDF completion certificate - Unlimited grace periods for missed days - Unlimited challenge history - Access to community workout links - Group challenges with friends THE CHALLENGE: - Two 45-minute workouts daily (one must be outdoors) - Follow a diet of your choice (no cheat meals, no alcohol) - Drink 1 gallon (128 oz) of water - Read at least 10 pages of a non-fiction book (no audiobooks) - Take a daily progress photo - Miss any task? Restart from Day 1 Built for those who understand that discipline isn't negotiable. Whether you're tackling the full 75 days in Hard mode, easing in with Medium or Soft mode, or building a completely custom challenge—this app tracks every task, logs every check mark, and holds you accountable when it's easier to quit. PERFECT FOR: - Building consistent daily habits - Mental toughness training - Fitness transformations - Accountability partners - Challenge communities - Personal development journeys Track your water intake, log your reading, store your progress photos, generate a time-lapse of your transformation, and watch your discipline compound—one day at a time. This app won't motivate you. It'll just show you exactly where you stand. The rest is up to you. Ready to commit? Download now and start your 75-day transformation. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://day75.com/privacy/

Screenshots

75 Days Challenge4 screens
Day754 screens

Verdict

The call

The clearest difference is ratings volume: 75 Days Challenge at 695 against Day75's 2. Day75's advantage is rating (5.0 vs 4.8) and iOS requirement (16.4 vs 18.0). On price, update cadence, ads and in-app purchases 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. 75 Days Challenge sells 10 in-app purchases, starting at $1.99 per 7 days and Day75 sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Day75 holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: 75 Days Challenge has 695 ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

75 Days Challenge ships an update fortnightly, Day75 every 2 weeks. The most recent releases landed on November 8, 2026 and November 5, 2026 respectively.

Scorecard3 real differences · 7 level
75 Days Challenge versus Day75: the parameters behind the verdict, then further details
Parameter75 Days ChallengeDay75
PriceFreeFree
Rating4.8 (695 ratings)5.0 (2 ratings) — better
Positive reviews57.4% of reviews—
Number of ratings695 — better2
Update frequencyFortnightly — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, Apple Watch — betteriPhone, Apple Watch
Requires iOS18.016.4 — better
Further details — not scored
Size96 MB117 MB
Age rating4+4+
DeveloperAlexander ParnevOKCOKER LLC

Customer experience

75 Days Challenge

All ratings693 ratings
Positive94.4%
Neutral2.7%
Negative2.9%
Written reviews68 reviews
Positive57.4%
Neutral7.4%
Negative35.3%

Day75

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

75 Days Challenge

Reported bugs

4 issues
  • Settings page freezes app
  • Checklist widget doesn't update automatically
  • App gets stuck on day 6 and won't unlock
  • Camera function is unreliable

Requested features

4 requests
  • Add ability to start over at day 1 instead of resetting whole challenge
  • Integrate with friends/social features
  • Expand tracking capabilities beyond just weight and photos
  • Add more customization options

Day75

Not enough reviews yet to summarise bugs or requests.

In-app purchases

10 purchases

75 Days Challenge

Subscriptions8
  • Full Access (Weekly)3 Days trial$1.997 Days
  • Full Access$2.991 Month
  • Full Access (Monthly)$3.991 Month
Show 5 more
  • Full Access$5.991 Month
  • Full Access (Monthly)$9.991 Month
  • Full Access (Annual)7 Days trial$19.991 Year
  • Full Access (Annual)7 Days trial$29.991 Year
  • Full Access (Annual)7 Days trial$49.991 Year
One-time2
  • Lifetime Premium$19.99
  • Lifetime Pro$59.99
2 purchases

Day75

Subscriptions2
  • Day75 Monthly7 Days trial$3.991 Month
  • Day75 Yearly7 Days trial$29.991 Year

Questions

Is 75 Days Challenge free?
75 Days Challenge is free to download, with in-app purchases available.
Is Day75 free?
Day75 is free to download, with in-app purchases available.
Which has better reviews, 75 Days Challenge or Day75?
Day75 is rated higher. 75 Days Challenge averages 4.8 out of 5 from 695 ratings, while Day75 averages 5.0 from 2 ratings.
Do 75 Days Challenge or Day75 have ads?
Both 75 Days Challenge and Day75 show ads.
Which is updated more often, 75 Days Challenge or Day75?
75 Days Challenge ships an update fortnightly, and Day75 every 2 weeks. Most recently, 75 Days Challenge was updated on November 8, 2026 and Day75 on November 5, 2026.

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