# 75 Days Challenge vs StudioFlow

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.

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.

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.

## The numbers

| Metric | 75 Days Challenge | StudioFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (682 ratings)](https://appshunter.io/ios/app/75-days-challenge-better/id6667095733/reviews)** | — |
| Number of ratings | **682** | — |
| Positive reviews | 58.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 91 MB | 43 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Parnev](https://appshunter.io/developer/1645934480) | [Trevor Sweetnam](https://appshunter.io/developer/1808167847) |

## What reviewers say

### 75 Days Challenge

[App page](https://appshunter.io/ios/app/75-days-challenge-better/id6667095733)

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:** macOS Compatibility, Vision Pro support

**In-app purchases (17)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Access (Weekly) | $1.99 | per 7 days |
| Full Access | $2.99 | per month |
| Full Access (Monthly) | $3.99 | per month |
| Pro | $5.99 | per 7 days |
| Full Access (Weekly) | $5.99 | per 7 days |
| Full Access | $5.99 | per month |
| Full Access (Monthly) | $9.99 | per month |
| Full Access (Annual) | $19.99 | per year |
| Full Access (Annual) | $29.99 | per year |
| Full Access (Annual) | $49.99 | per year |
| Pro | $59.99 | per year |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Lifetime Premium | $5.99 | one-time |
| Lifetime Pro | $9.99 | one-time |
| Lifetime Premium | $19.99 | one-time |
| Lifetime Pro | $59.99 | one-time |

**What reviewers like**

- 👍 Easy to use
- 💡 Customizable challenges
- 🚀 Straightforward layout
- 🔒 Lifetime premium access

**What reviewers complain about**

- 🐛 Glitchy and buggy
- 🚫 Limited features for paid version
- 💰 Not truly free, requires payment
- 🤔 Lack of advanced tracking features

**Reported bugs**

- 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**

- 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

[App page](https://appshunter.io/ios/app/studioflow/id6752293586)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Top Up 10 | $8.99 | one-time |
| Top Up 20 | $17.99 | one-time |
| Top Up 50 | $44.99 | one-time |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*