Comparison

I 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

I

Read full description

I-FLAT(アイフラット)の公式アプリです。 【概要】 ■ アプリ上から24時間いつでも予約が可能。 指名予約にも対応しているので担当スタッフのスケジュールを確認してからの予約が可能です。 ■ クーポン お得なクーポンが配信されます。ネット予約時にクーポン利用での予約も可能なので来店時もスムーズに施術頂けます。 ■ スタッフが施術したスタイルを掲載 前もって画像を確認しておけばスムーズなオーダーが可能です。 ■ マイページ機能 予約状況の確認やキャンセルがマイページ上から行えます。スタイリストの登録が出来るので前もって担当者を登録しておけばマイページからスムーズな指名予約が可能です。又、マイページにお気に入りのヘアカタログを登録出来るので来店時に画像を見せるだけでイメージを伝えることが出来るので安心です。

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. 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

Screenshots

I2 screens
75 Days Challenge4 screens

Verdict

The call

The clearest difference is in-app purchases: I at none against 75 Days Challenge's 18. I also leads on iOS requirement (8.0 vs 18.0). On price 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 18 in-app purchases, starting at $1.99 per 7 days. I asks for nothing beyond the download.

Scorecard2 real differences · 8 level
I versus 75 Days Challenge: the parameters behind the verdict, then further details
ParameterI75 Days Challenge
PriceFreeFree
Rating—4.8 (689 ratings) — better
Positive reviews—57.4% of reviews
Number of ratings—689 — better
Update frequency—Every 2 weeks
Ads—Yes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
Devices—iPhone — better
Requires iOS8.0 — better18.0
Further details — not scored
Size3 MB91 MB
Age rating4+4+
Developershingo kameiAlexander Parnev

Bugs and requests

I

Not enough reviews yet to summarise bugs or 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

In-app purchases

None

I

No in-app purchases

18 purchases

75 Days Challenge

Subscriptions12
  • Full Access (Weekly)3 Days trial$1.997 Days
  • Full Access$2.991 Month
  • Full Access (Monthly)$3.991 Month
Show 9 more
  • Pro3 Days trial$5.997 Days
  • Full Access (Weekly)$5.997 Days
  • 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 access7 Days trial$39.991 Year
  • Full Access (Annual)7 Days trial$49.991 Year
  • Pro7 Days trial$59.991 Year
One-time6
  • Small Tip$0.99
  • Medium Tip$2.99
  • Lifetime Premium$5.99
Show 3 more
  • Lifetime Pro$9.99
  • Lifetime Premium$19.99
  • Lifetime Pro$59.99

Questions

Is I free?
I 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.

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