# 75 day soft challenge vs Proof

The clearest difference is ads: Proof at none against 75 day soft challenge's shown. Proof also leads on iOS requirement (17.0 vs 26.2). 75 day soft challenge's advantage is update cadence (every 6 days vs every 2 weeks). On price, in-app purchases and device support there is nothing between them.

Both are free to download. 75 day soft challenge sells 3 in-app purchases, starting at $19.99 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 day soft challenge ships an update every 6 days, Proof every 2 weeks. The most recent releases landed on October 31, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | 75 day soft challenge | Proof |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (42 ratings)](https://appshunter.io/ios/app/75-day-soft-challenge/id6741357917/reviews)** | — |
| Number of ratings | **42** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 25 MB | 4 MB |
| Requires iOS | 26.2 | **17.0** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Innonexa Tech Private Limited](https://appshunter.io/developer/1763386442) | [Devin Tripp](https://appshunter.io/developer/1494964580) |

## What reviewers say

### 75 day soft challenge

[App page](https://appshunter.io/ios/app/75-day-soft-challenge/id6741357917)

Build discipline and achieve personal growth with a daily habit and goal tracker. This app offers a balanced approach to self-improvement, helping you stay consistent and accountable through structured challenges and progress visualization.

**Highlights:** Habit tracking, 75-day challenge structure, Progress visualization, Daily reminders, Easy task logging, Sustainable habit building

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Month Plan | $19.99 | per 3 months |
| Pro Features | $49.99 | per year |
| Lifetime | $39.99 | one-time |


### 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 day soft challenge free?

75 day soft challenge is free to download, with in-app purchases available.

### Is Proof free?

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

### Do 75 day soft challenge or Proof have ads?

75 day soft challenge shows ads; Proof does not.

### Which is updated more often, 75 day soft challenge or Proof?

75 day soft challenge ships an update every 6 days, and Proof every 2 weeks. Most recently, 75 day soft challenge was updated on October 31, 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.*