Comparison

75 Days Challenge vs StudioFlow

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. 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

StudioFlow

Features
Read full description

StudioFlow is the admin app for independent fitness instructors. Not big gyms — solo instructors and small studios who'd rather be teaching than buried in spreadsheets. Schedule classes, manage clients, track attendance, and send bulk reminders — all from your phone. Pay as you go. No monthly fees. No subscriptions. Ever. What you can do with StudioFlow: → Set up class schedules with terms, weekly timetables, and pricing in minutes → Manage your full client list — import contacts, send intake forms, scan paper forms with AI → Track attendance for drop-ins, term bookings, and class packs → Send bulk SMS, email, or WhatsApp reminders to any group of clients in seconds → Share a live public class schedule — link it from your website or Instagram bio → Track revenue and client purchase history without touching a spreadsheet → Let clients self-register via QR code signup forms   Ask Claude or ChatGPT about your studio StudioFlow connects to Claude and ChatGPT via MCP. Ask about your attendance, create classes, or message clients — all in plain English, without opening the app. Pricing that scales with you: Pay per client, per term. Free credits when you sign up. If you take a month off, you pay nothing. "I used to spend Sunday evenings chasing payments and updating spreadsheets. StudioFlow handles all of it — I just teach." — Cathy, Pilates Instructor

Screenshots

75 Days Challenge4 screens
StudioFlow4 screens

Verdict

The call

The clearest difference is ads: StudioFlow at none against 75 Days Challenge's shown. StudioFlow also leads on device support (3 vs 1) and iOS requirement (15.1 vs 18.0). 75 Days Challenge's advantage is update cadence (every 2 weeks vs every 2 months). On price 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 17 in-app purchases, starting at $1.99 per 7 days and StudioFlow sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

75 Days Challenge ships an update every 2 weeks, StudioFlow every 2 months. The most recent releases landed on September 23, 2026 and September 10, 2026 respectively.

Scorecard4 real differences · 6 level
75 Days Challenge versus StudioFlow: the parameters behind the verdict, then further details
Parameter75 Days ChallengeStudioFlow
PriceFreeFree
Rating4.8 (682 ratings) — better—
Positive reviews58.5% of reviews—
Number of ratings682 — better—
Update frequencyEvery 2 weeks — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size91 MB43 MB
Age rating4+4+
DeveloperAlexander ParnevTrevor Sweetnam

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

StudioFlow

Not enough reviews yet to summarise bugs or requests.

In-app purchases

17 purchases

75 Days Challenge

Subscriptions11
  • Full Access (Weekly)3 Days trial$1.997 Days
  • Full Access$2.991 Month
  • Full Access (Monthly)$3.991 Month
Show 8 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 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
3 purchases

StudioFlow

One-time3
  • Top Up 10$8.99
  • Top Up 20$17.99
  • Top Up 50$44.99

Questions

Is 75 Days Challenge free?
75 Days Challenge is free to download, with in-app purchases available.
Is StudioFlow free?
StudioFlow is free to download, with in-app purchases available.
Do 75 Days Challenge or StudioFlow have ads?
75 Days Challenge shows ads; StudioFlow does not.
Which is updated more often, 75 Days Challenge or StudioFlow?
75 Days Challenge ships an update every 2 weeks, and StudioFlow every 2 months. Most recently, 75 Days Challenge was updated on September 23, 2026 and StudioFlow on September 10, 2026.

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