Comparison

Grind75 vs 75 Days Challenge

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

Head to head
About

Grind75

This app helps you build discipline and stay consistent with self-improvement challenges like 75 Hard or 75 Soft. It offers flexible tracking for various habits, multiple challenge modes, and progress visualization to support your personal growth journey without rigid rules.

Highlights
  • Customizable challenge lengths
  • Multiple challenge modes (Hard, Medium, Soft, Parent)
  • Habit tracking for fitness, water, reading, diet, and more
  • Progress photo and milestone tracking
  • Flexible system with pause and resume options
  • Health integration for step tracking
  • Shareable transformation cards
Features
Read full description

Grind75 is a flexible habit tracker and challenge tracker designed to help you complete 75 Hard, 75 Soft, or any custom self-improvement challenge. Build discipline, stay consistent, and track your daily habits—without rigid rules or burnout. Whether you're working on fitness, routine building, or personal growth, Grind75 adapts to your lifestyle. Start Any Challenge Choose from 21, 30, 60, 75, or 100-day challenges—or create your own custom challenge tailored to your goals. Build routines that work for you. Multiple Challenge Modes ● Hard Mode – for strict 75 Hard-style discipline ● Medium Mode – balanced and structured ● Soft Mode – sustainable and flexible habits ● Parent Mode – designed for busy parents Parent Mode – Built for Real Life Stay consistent while balancing responsibilities: ● Realistic daily goals ● Grace days ● Audiobook-friendly reading ● Quiet-time tracking Habit Tracker for Daily Consistency Track habits like: ● Workouts & fitness ● Water intake (with reminders) ● Reading (books or audiobooks) ● Diet & nutrition ● Outdoor activity ● Daily steps (Health integration) ● Custom habits Stay accountable, build streaks, and improve every day. Track Progress & Transformation ● Capture progress photos ● Compare before & after results ● Track milestones throughout your challenge ● View past challenges with stats and insights Stay Motivated ● Generate shareable transformation cards ● Completion recognition screen for finished challenges ● Celebrate wins and milestones ● Stay consistent through your journey Flexible & Forgiving System Missed a day? Keep going. ● Restart anytime ● Pause, stop, or resume your challenge ● Focus on progress over perfection Smart Features That Make It Easy ● Browse 21 ready-made tasks across 6 categories ● Add, edit, delete, or reorder tasks ● Swipe to manage your habits ● Automatic step tracking with Health integration ● Set multiple water reminders ● Localized water units (oz / mL) No Subscriptions. No Ads. Grind75 keeps it simple: ● Start free ● Unlock everything with a one-time purchase ● No ads ● No subscriptions ● Just results Why Grind75? ● Perfect for 75 Hard & 75 Soft challenges ● Flexible habit tracking system ● Designed for real-life consistency ● Built for discipline without burnout Your challenge. Your rules. Let’s grind.

About

75 Days Challenge

This app helps you complete self-improvement challenges with customizable tasks, progress tracking, and motivational tools. Log daily activities, capture progress photos, and generate timelapse videos. All your data is stored securely on your device.

Highlights
  • Customizable challenge templates
  • Daily task logging with multiple input types
  • Progress photo capture and timelapse video generation
  • Detailed statistics and insights
  • Shareable progress cards
  • On-device data storage
  • Home screen widgets
Features
Read full description

Ready to actually finish a 75-day challenge? Reset75 keeps you honest. All data stays on your phone. Pick from 6 challenge templates or build your own with any combination of 20 tasks across 6 categories. Log daily tasks, capture progress photos, track streaks, and generate timelapse videos from your photos. Answers to your challenge questions • Which 75-day challenge is right for me? • How do I stay motivated past day 21? • What happens if I miss a day? • How do I track my progress photos over 75 days? • Can I customize my own fitness challenge? • Am I actually improving week over week? Challenge templates • 75 Tough — strict mode with workouts, diet, water, reading, and progress photos • 75 Soft — forgiving mode for a balanced approach • 75 Hotter — fitness, skincare, self-care, and journaling • Glow Within — meditation, journaling, reading, and no social media after 9pm • 30-Day Kickstart — a shorter challenge to build momentum • Custom — choose from 20 tasks across 6 categories, set any duration (21, 28, 30, 90 days, or more) Daily task tracking • 6 input types: checkbox, counter, duration, photo, text, measurement • Track workouts, water intake, meals, reading, journaling • Set per-task reminders at your preferred time • Strict mode restarts your count if you miss a day • Forgiving mode lets you skip and keep going Progress photos & timelapse • Capture daily photos from your camera or gallery • Browse your full photo gallery with day labels • Compare any two photos side by side • Generate a timelapse video from your photos • Add overlays: day counter, completed tasks, weight chart, watermark • Save to your camera roll or share directly Statistics & insights • Completion rate, best streak, and days completed • Daily completion chart with touch tooltips • Category breakdown: fitness, nutrition, hydration, mind, self-care • Individual task progress bars • Numeric trend charts for weight, water, steps • Lifetime view across all challenges Shareable progress cards • 3 card styles: task checklist, calendar grid, or both • Share daily or challenge completion cards • Streak badges and Reset75 branding included Reminders & notifications • Per-challenge and per-task reminder times • Choose which days to get notified • Timezone-aware scheduling Home screen widgets • Calendar grid widget showing your completed days • Today's tasks widget with completion status • Updates automatically as you log 20 themes • Free: Graphite, Chalk, Daylight • Pro: Midnight, Coral, Ember, Gilded, Golden, Cobalt, Navy, Neon, Cyber, Paper, Ink, Rose, Velvet, Bloom, Storm, Mint, Forest Private & on-device • All data stays on your phone • No account required. Works offline • No data sharing. Ever • Available in 39 languages 75 days. You either did it or you didn't. Questions or feedback? Reach out through the app's Help section.

Screenshots

Grind754 screens
75 Days Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: Grind75 at none against 75 Days Challenge's 3. Grind75 also leads on ads (none vs shown) and review sentiment (100% vs 80%). 75 Days Challenge's advantage is ratings volume (92 vs 22) and iOS requirement (15.0 vs 18.0). On price, rating, update cadence and device support 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 3 in-app purchases, starting at $4.99 per 7 days. Grind75 asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for Grind75 against 4.9 for 75 Days Challenge. Both are backed by a comparable volume of ratings — 22 and 92 respectively. Written reviews are what separate them: 100% of Grind75's written reviews are positive against 80% of 75 Days Challenge's.

UpkeepUpdate frequency

Grind75 ships an update monthly, 75 Days Challenge fortnightly. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

Scorecard6 real differences · 4 level
Grind75 versus 75 Days Challenge: the parameters behind the verdict, then further details
ParameterGrind7575 Days Challenge
PriceFreeFree
Rating5.0 (22 ratings) — better4.9 (92 ratings)
Positive reviews100.0% of reviews — better80.0% of reviews
Number of ratings2292 — better
Update frequencyMonthlyFortnightly — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS18.015.0 — better
Further details — not scored
Size21 MB55 MB
Age rating4+4+
DeveloperPriya Pappachen YohannanEHM TECH LLC

Customer experience

Grind75

All ratings13 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

75 Days Challenge

All ratings92 ratings
Positive96.7%
Neutral2.2%
Negative1.1%
Written reviews20 reviews
Positive80.0%
Neutral10.0%
Negative10.0%

In-app purchases

None

Grind75

No in-app purchases

3 purchases

75 Days Challenge

Subscriptions3
  • Pro - Weekly7 Days trial$4.997 Days
  • Pro - Annual7 Days trial$19.991 Year
  • Pro - Annual7 Days trial$39.991 Year

Questions

Is Grind75 free?
Grind75 is free to download, with no in-app purchases.
Is 75 Days Challenge free?
75 Days Challenge is free to download, with in-app purchases available.
Which has better reviews, Grind75 or 75 Days Challenge?
Grind75 is rated higher. Grind75 averages 5.0 out of 5 from 22 ratings, while 75 Days Challenge averages 4.9 from 92 ratings.
Do Grind75 or 75 Days Challenge have ads?
75 Days Challenge shows ads; Grind75 does not.
Which is updated more often, Grind75 or 75 Days Challenge?
Grind75 ships an update monthly, and 75 Days Challenge fortnightly. Most recently, Grind75 was updated on October 7, 2026 and 75 Days Challenge on October 19, 2026.

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