# 75 Soft Challenge Tracker vs Proof

The clearest difference is update cadence: Proof at every 2 weeks against 75 Soft Challenge Tracker's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 75 Soft Challenge Tracker sells 3 in-app purchases, starting at $12.99 per 3 months and Proof sells 1 in-app purchase, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.

75 Soft Challenge Tracker ships an update every 2 months, Proof every 2 weeks. The most recent releases landed on October 25, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 75 Soft Challenge Tracker | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (7 ratings)](https://appshunter.io/ios/app/75-soft-challenge-tracker/id6740633846/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Freemium | — |
| Size | 94 MB | 4 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Anton Churakov](https://appshunter.io/developer/1708569064) | [Devin Tripp](https://appshunter.io/developer/1494964580) |

## What reviewers say

### 75 Soft Challenge Tracker

[App page](https://appshunter.io/ios/app/75-soft-challenge-tracker/id6740633846)

This habit tracker helps women build better routines and achieve self-improvement goals over a 75-day journey. It supports tracking daily habits, visualizing progress, and offers motivational content. Tailor your challenge to fit personal fitness, productivity, or mindfulness objectives.

**Highlights:** Daily habit tracking, Progress visualization, Motivational affirmations, Photo journaling, Personalized challenge editing, Flexible reminders

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Quarterly | $12.99 | per 3 months |
| Monthly | $14.99 | per month |
| Yearly | $29.99 | per year |


### Proof

[App page](https://appshunter.io/ios/app/proof-ai-habit-tracker/id6798916057)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proof Pro | $14.99 | per month |


## Frequently asked questions

### Is 75 Soft Challenge Tracker free?

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

### Is Proof free?

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

### Do 75 Soft Challenge Tracker or Proof have ads?

Neither 75 Soft Challenge Tracker nor Proof shows ads.

### Which is updated more often, 75 Soft Challenge Tracker or Proof?

75 Soft Challenge Tracker ships an update every 2 months, and Proof every 2 weeks. Most recently, 75 Soft Challenge Tracker was updated on October 25, 2026 and Proof on October 22, 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.*