# 75 Day Challenge Tracker vs ScaleFlow

The clearest difference is update cadence: ScaleFlow at every 3 days against 75 Day Challenge Tracker's every 2 months. ScaleFlow also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. 75 Day Challenge Tracker sells 2 in-app purchases, starting at $3.99 per 7 days and ScaleFlow sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

75 Day Challenge Tracker ships an update every 2 months, ScaleFlow every 3 days. The most recent releases landed on October 19, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | 75 Day Challenge Tracker | ScaleFlow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3 ratings)](https://appshunter.io/ios/app/75-day-challenge-tracker/id6756486796/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Freemium | — |
| Size | 25 MB | 15 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Inkolab](https://appshunter.io/developer/1726749975) | [Tornike Svanidze](https://appshunter.io/developer/1889493474) |

## What reviewers say

### 75 Day Challenge Tracker

[App page](https://appshunter.io/ios/app/75-day-challenge-tracker/id6756486796)

Build discipline and improve habits with a flexible challenge tracker. Customize your goals, track daily progress with photos and journal entries, and stay accountable with reminders. This app focuses on consistency over perfection, allowing you to adapt challenges to your lifestyle.

**Highlights:** Customizable challenge levels (Soft, Medium, Intense, Custom), Daily progress tracking with photos, Mood and journal logging, Visual calendar for accountability, Forgiving mode to continue after missed days, Daily reminders for consistency

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium – Weekly Access | $3.99 | per 7 days |
| Premium - Annual Access | $19.99 | per year |


### ScaleFlow

[App page](https://appshunter.io/ios/app/scaleflow/id6761417592)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ScaleFlow Pro | $4.99 | one-time |


## Frequently asked questions

### Is 75 Day Challenge Tracker free?

75 Day Challenge Tracker is free to download, with in-app purchases available.

### Is ScaleFlow free?

ScaleFlow is free to download, with in-app purchases available.

### Do 75 Day Challenge Tracker or ScaleFlow have ads?

Neither 75 Day Challenge Tracker nor ScaleFlow shows ads.

### Which is updated more often, 75 Day Challenge Tracker or ScaleFlow?

75 Day Challenge Tracker ships an update every 2 months, and ScaleFlow every 3 days. Most recently, 75 Day Challenge Tracker was updated on October 19, 2026 and ScaleFlow on October 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.*