Comparison

testraum vs 75 Soft Challenge

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

testraum

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
Read full description

Your consumers’ opinion matters! Are you interested in new, innovative product ideas, in media and advertisement? We – from Untiedt Research market research institute – test them for our clients. We pay for your opinion! In compensation for your effort you get an incentive. For a 30-minute-interview you can count on equivalent with up to 5 EUR / 7 CHF! For every completed survey you will get credits. After you have reached your payout minimum you can e. g. order money via PayPal or an online voucher for your purchases. Your opinion is important to us! All our surveys are subjected to the strict requirements of German laws of data protection. Your interview answers will not be analyzed in conjunction with your name and address. Your personal details will not be passed onto any third party. The clients get analyses of aggregated data like tables and charts without possibility to draw conclusions from this data to individuals. All interviews are also subjected to the rules of data privacy in market research defined by BVM and ADM and international market research organization ESOMAR as well. Furthermore your registration and participation in surveys are free and voluntary. How it works: 1. Download our App and install it on your smartphone or tablet. 2. If you are not a member of testraum or testpanel please answer few questions about your person and sign up in our system. You can skip this step if you are already our member. 3. We will inform you as soon as we will have an adequate survey for you. 4. Now you can start answering our survey. 5. Have fun! Who are we? Testraum is a consumer panel with over 70.000 respondents and you can become a part of it, then with us you can earn money stating your opinion. The panel is owned by the German market research institute Untiedt Research. Founded in 1998, we are one of the pioneers of the German online market research. For further information click www.untiedt.de/en/.

About

75 Soft Challenge

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
Read full description

75 days. 75 squares. Your rules. 75 Soft turns the 75 Soft Challenge into something you can see: a grid of 75 squares that fills a little every day you keep your rules. HOW IT WORKS • Pick your 75: Soft, Medium, Strict or your own rules • Check the rules you kept today • Hold to fill today's square, striped in the colors of the rules you kept, or with your photo of the day • Missed a day? It stays quiet. No restart. Tomorrow is a fresh square MADE FOR THE SOFT VERSION • Partial days count: keep 3 of 5 and today still fills • Water in small steps, any book counts, a rest day is fine • One gentle reminder a day, only when your square is still empty SHARE THE GOOD PARTS • Your rules card, the list people save before they start • Day 20/75 stamps for Stories and TikTok • Milestones at Day 7, 21 and 50 • Day 75: your whole 75 on one poster SOFT PLUS • Your photo inside every square • Fill in a quiet day, twice a month • Day 75 poster in full quality and a 15-second film of your 75 filling up Your days stay on your phone and are included in your phone's backup. No account needed. Soft Plus is offered yearly (with a free trial for eligible new subscribers) or monthly. It renews automatically unless canceled at least 24 hours before the end of the period. Manage or cancel anytime in your account settings. We use Mixpanel and PostHog (PostHog, Inc., United States) to understand how the app is used. They receive in-app events, such as screens reached, features used, purchase and subscription results and errors, together with a pseudonymous app user ID linked to the user ID RevenueCat uses for purchases, and an approximate location (country/city) derived from your IP address. We never send them your content (such as text, photos, recordings or documents), your name, email, phone number or precise location. Terms: https://www.secondearth.io/terms Privacy: https://www.secondearth.io/privacy

Screenshots

testraum4 screens
75 Soft Challenge4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences · 6 level
testraum versus 75 Soft Challenge: the parameters behind the verdict, then further details
Parametertestraum75 Soft Challenge
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews0.0% of reviews100.0% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 15 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad — betteriPhone
Requires iOS16.0 — better16.4
Further details — not scored
Size23 MB47 MB
Age rating4+4+
DeveloperUntiedt Research GmbHSunwoo Kim

Customer experience

testraum

Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

75 Soft Challenge

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

testraum

No in-app purchases

4 purchases

75 Soft Challenge

Subscriptions4
  • Weekly Premium$2.997 Days
  • Monthly premium$9.991 Month
  • Yearly Premium$39.991 Year
Show 1 more
  • Yearly Premium3 Days trial$49.991 Year

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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