Corevex vs 75 Days Challenge
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Corevex
Generate unique daily fitness routines tailored to your level and goals. Choose from quick home sessions or comprehensive gym workouts. Track your progress and stay motivated with a clean, intuitive interface.
- Randomized workout generation
- Customizable fitness routines
- Home and gym workout options
- Body part or full-body focus
- Progress tracking
- Simple interface
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Corevex helps you stay in shape with quick, customizable workouts for home or gym. Generate new routines every day and never get bored. Features: Randomized workouts tailored to your fitness level Select specific body parts or full-body routines Quick home workouts (5–60 mins) or full gym sessions Track your progress and improve over time Clean, simple interface for easy navigation
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.
- 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
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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
Verdict
The clearest difference is price: 75 Days Challenge at Free against Corevex's $1.99. 75 Days Challenge also leads on ratings volume (92 vs 1). Corevex's advantage is in-app purchases (none vs 3) and ads (none vs shown). On rating, device support and iOS requirement 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
75 Days Challenge is free to download; Corevex costs $1.99 up front. 75 Days Challenge sells 3 in-app purchases, starting at $4.99 per 7 days. Corevex asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Corevex against 4.9 for 75 Days Challenge. That said, the two scores are not equally well evidenced: 75 Days Challenge has 92 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 100% of Corevex's written reviews are positive against 80% of 75 Days Challenge's.
| Parameter | Corevex | 75 Days Challenge |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | 5.0 (1 ratings) — better | 4.9 (92 ratings) |
| Positive reviews | 100.0% of reviews — better | 80.0% of reviews |
| Number of ratings | 1 | 92 — better |
| Update frequency | — | Fortnightly |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Free with in-app purchases — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.1 | 15.0 — better |
| Further details — not scored | ||
| Size | 195 MB | 55 MB |
| Age rating | 4+ | 4+ |
| Developer | Tanner Berkenstock | EHM TECH LLC |
Customer experience
Corevex
75 Days Challenge
In-app purchases
Corevex
No in-app purchases
75 Days Challenge
- Pro - Weekly7 Days trial$4.997 Days
- Pro - Annual7 Days trial$19.991 Year
- Pro - Annual7 Days trial$39.991 Year









