# testraum vs 75 Soft Challenge

The clearest difference is review sentiment: 75 Soft Challenge at 100% against testraum's 0%. 75 Soft Challenge also leads on update cadence (weekly vs every 15 months). testraum's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 75 Soft Challenge sells 4 in-app purchases, starting at $2.99 per 7 days. testraum asks for nothing beyond the download.

testraum ships an update every 15 months, 75 Soft Challenge weekly. The most recent releases landed on October 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | testraum | 75 Soft Challenge |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/75-soft-challenge-habit-grid/id1608023757/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 15 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 23 MB | 47 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Untiedt Research GmbH](https://appshunter.io/developer/992507979) | [Sunwoo Kim](https://appshunter.io/developer/1518511762) |

## What reviewers say

### testraum

[App page](https://appshunter.io/ios/app/testraum/id992507980)

Share your opinions on new products and media for market research. Earn incentives for your participation in surveys and interviews, with payouts via PayPal or online vouchers.

**Highlights:** Share opinions on products and media, Participate in surveys and interviews, Earn incentives for participation, Payouts via PayPal or online vouchers, Strict data protection laws, Free and voluntary registration

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

**In-app purchases:** none


### 75 Soft Challenge

[App page](https://appshunter.io/ios/app/75-soft-challenge-habit-grid/id1608023757)

Track your progress through a personalized 75-day challenge with a visual grid. Customize your rules, check off completed tasks daily, and celebrate milestones. Offers optional premium features for enhanced customization and content.

**Highlights:** Customizable 75-day challenge grid, Daily rule checking, Visual progress tracking, Partial day completion counts, Milestone sharing features, Optional photo integration, Optional daily video creation

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Monthly premium | $9.99 | per month |
| Yearly Premium | $39.99 | per year |
| Yearly Premium | $49.99 | per year |


## Frequently asked questions

### Is testraum free?

testraum is free to download, with no in-app purchases.

### Is 75 Soft Challenge free?

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

### Do testraum or 75 Soft Challenge have ads?

Neither testraum nor 75 Soft Challenge shows ads.

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

testraum ships an update every 15 months, and 75 Soft Challenge weekly. Most recently, testraum was updated on October 9, 2026 and 75 Soft Challenge on October 30, 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.*