IRIS Ez vs 75 Days
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
IRIS Ez
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Cognitive Micro-Assessments in Daily Life: IRIS EZ-Aware is targeted to bring cognitive assessments into everyday environments. It incorporates age-friendly, digital interfaces for smartphones delivering periodic micro-assessments (span across several weeks) for various cognitive domains. This provides a robust estimate of cognitive functions.
75 Days
This app helps you track your progress through a 75-day challenge with customizable habits and proof photos. Choose from various challenge levels to build sustainable routines and visualize your transformation.
- Customizable 75-day challenges
- Habit tracking with proof photos
- Streak visualization
- Home screen widgets
- Private progress photo gallery
- Daily reminders and streak protection
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The 75 day challenge made for women. Pick your level: gentle reset or full discipline, and build the routine to become the best version of yourself. Track every habit with proof photos, watch your streak grow, and see your transformation day by day. — CHOOSE YOUR HARD — Some Examples: • 75 Days: made for women, by women • 75 Strict: the original, no compromises • 75 Medium: disciplined, but realistic for those with very busy lives • 75 Soft: gentle reset, sustainable habits • Better Me: habits that actually stick — DAILY MISSIONS — Workouts, water, reading, clean eating, no alcohol, daily progress photo: each challenge ships with smart defaults you can fully customise. Add your own habits. Swap the ones that aren't yours. — PROOF, NOT PROMISES — Tap a habit to mark it done and capture a quick proof photo. Your camera roll becomes a visual streak: receipts you can scroll back through on day 75. — BEAUTIFUL HOME SCREEN — Sticky-note widget pinned to your lock screen and home screen see today's tasks at a glance, tap to check them off without opening the app. Pair it with our custom wallpapers for a phone that actually feels like yours. — PROGRESS PHOTOS — A private, time-lapsed gallery of your transformation. Day 1 to Day 75, side by side. — SOFT, FEMININE, FOCUSED — No drill-sergeant energy. Just a calm, beautiful space to show up for yourself daily built with beautiful typography, sticky-note tasks, and pastel polaroids. — BUILT TO LAST 75 DAYS — Streak protection, daily reminders, calendar view, missed-day recovery designed so the challenge ends with you stronger, not burnt out. — MAKE IT YOURS — Pick a profile photo for your Today screen. Generate a home-screen wallpaper from a curated gradient library, our editorial photos, or your own camera roll — choose where the text sits, toggle a soft blur, and overlay your daily tasks if you want them visible from the lock screen. Match your widget background to your aesthetic with light or dark text. — REMINDERS THAT DON'T NAG — Three soft check-ins a day: morning, midday, evening. Edit the times, write a custom message, or turn slots off. Notifications are generated on your device — never sent through a server. — FRIENDS — Add your girlies, see their progress, and cheer each other through the 75. This isn't another habit app. It's a 75-day commitment to the girl you're becoming. Subscriptions: • 75 Weekly — 1 week, auto-renews • 75 Monthly — 1 month, auto-renews • 75 Yearly — 1 year, auto-renews Payment is charged to your Apple ID at confirmation of purchase. Subscriptions auto-renew unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Privacy: https://75daychallenge.com/privacy Terms: https://75daychallenge.com/terms
Screenshots
Verdict
The clearest difference is in-app purchases: IRIS Ez at none against 75 Days's 8. IRIS Ez also leads on device support (3 vs 1) and iOS requirement (12.0 vs 17.0). On price and ads 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
Both are free to download. 75 Days sells 8 in-app purchases, starting at $4.99 per 7 days. IRIS Ez asks for nothing beyond the download.
| Parameter | IRIS Ez | 75 Days |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.8 (286 ratings) — better |
| Positive reviews | — | 50.0% of reviews |
| Number of ratings | — | 286 — better |
| Update frequency | — | Every 3 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 194 MB | 167 MB |
| Age rating | 4+ | +4 |
| Developer | WellAware Research LLC | George Taylor |
In-app purchases
IRIS Ez
No in-app purchases
75 Days
- Weekly$4.997 Days
- Weekly Her$7.997 Days
- Weekly Trial3 Days trial$8.997 Days
Show 5 moreShow fewer
- monthly$9.991 Month
- Her Monthly$14.991 Month
- yearly discout$24.991 Year
- Yearly Trial3 Days trial$49.991 Year
- yearly$49.991 Year









