Comparison

Oasis vs Prove It

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

Head to head
About

Oasis

Discover healthier products through independent lab testing and transparent data. Get unbiased ratings and personalized recommendations for water, filters, supplements, and food to safeguard your well-being.

Highlights
  • Independent lab testing
  • Transparent product data
  • Lab-tested ratings
  • Personalized recommendations
  • Focus on water, filters, and air purifiers
  • Health and lifestyle goal tailoring
Features
Read full description

The #1 trusted and original platform for finding what's healthy. Independent lab tests and top ranking waters, filters, supplements, foods and more! We live in a world of products that poison us, brands that hide the truth, and governments that fail to safeguard our health. Oasis is here to change that. Starting with water, filters, and air purifiers, we help you find the healthiest products through independent lab testing and transparent data. Why Oasis? - Unbiased & Transparent: We charge to fund expensive lab testing and remain independent—no ads, no hidden agendas. - Lab-Tested Ratings: Get trusted insights into product purity, safety, and environmental impact. - Personalized Recommendations: Tailored suggestions based on your health and lifestyle goals. Subscription plans: • Free: access all lab results and reports • Oasis Pro: $47 /yr: top rankings, advanced features Funds from subscriptions go to further research and help us remain independent. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: https://www.oasiswater.app/privacy-policy

About

Prove It

Empower your supplement choices with science-backed reviews. Instantly scan barcodes or search our database to understand ingredient efficacy, safety, and research quality. Make informed decisions about your health investments.

Highlights
  • Evidence-based analysis
  • Barcode scanning
  • Extensive supplement database
  • Ingredient efficacy and safety
  • Research quality assessment
  • Informed decision making
Features
Read full description

Take control of your supplement choices with comprehensive, science-based reviews in seconds. Whether you're at the store or researching at home, our app helps you: - Access evidence-based analysis of supplement efficacy and safety - Instantly scan product barcodes to get detailed reviews - Search our extensive database of supplements - Understand the science behind ingredient claims - Make informed decisions about your health investments Every review is grounded in scientific research, helping you understand: - What the research actually says about effectiveness - Known safety considerations and interactions - Recommended dosages based on clinical studies - Quality of available evidence Stop wondering about supplement claims and start making evidence-based decisions for your health. MEDICAL DISCLAIMER: This app is for educational and informational purposes only. It is not intended to provide medical advice, diagnosis, or treatment recommendations. The information provided should not be used as a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified healthcare provider with any questions you may have regarding supplements, a medical condition, or treatment, and never disregard professional medical advice or delay in seeking it because of something you have read in this app. Decisions about supplement use should be made in consultation with your healthcare providers, taking into account your individual health circumstances. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Oasis4 screens
Prove It4 screens

Verdict

The call

The clearest difference is rating: Oasis at 4.8 against Prove It's 4.4. Oasis also leads on update cadence (every 2 days vs every 6 days) and review sentiment (19% vs 9%). Prove It's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 18.0). On price, ratings volume, ads and in-app purchases 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. Oasis sells 7 in-app purchases, starting at $4.99 per 7 days and Prove It sells 25 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Oasis holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 13K and 16K respectively. Written reviews point the same way: 19% of Oasis's written reviews are positive against 9% of Prove It's.

UpkeepUpdate frequency

Oasis ships an update every 2 days, Prove It every 6 days. Both last shipped on November 1, 2026.

Scorecard5 real differences · 5 level
Oasis versus Prove It: the parameters behind the verdict, then further details
ParameterOasisProve It
PriceFreeFree
Rating4.8 (13K ratings) — better4.4 (16K ratings)
Positive reviews19.3% of reviews — better9.1% of reviews
Number of ratings13K16K — better
Update frequencyEvery 2 days — betterEvery 6 days
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size83 MB132 MB
Age rating4+4+
DeveloperCormac HaydenControl. Alt. Delete. LLC

Customer experience

Oasis

All ratings13,474 ratings
Positive94.2%
Neutral0.9%
Negative4.9%
Written reviews503 reviews
Positive19.3%
Neutral6.0%
Negative74.8%

Prove It

All ratings15,727 ratings
Positive85.4%
Neutral6.7%
Negative7.9%
Written reviews711 reviews
Positive9.1%
Neutral3.4%
Negative87.5%

User reviews

Oasis

From 13K App Store ratings

What we love

  • 🙌 Helpful water quality information
  • 🤝 Promotes health awareness
  • 💡 Innovative concept

Room to improve

  • 🔒 Mandatory sign-up required
  • 💰 Expensive subscription model
  • 🐛 Buggy and glitchy app
  • ⚠️ Inaccurate or inconsistent ratings

Prove It

From 16K App Store ratings

What we love

  • 🚀 Highly informative
  • 👍 Useful information
  • 👍 Simple and straightforward
  • 👍 Convenient and helpful
  • 👍 Personalized recommendations

Room to improve

  • 🐛 Incomplete database
  • 🐛 Scanning issues

Bugs and requests

Oasis

Reported bugs

3 issues
  • App freezes or fails to load
  • Login/sign-in issues
  • Scrolling and navigation problems

Requested features

4 requests
  • Ability to browse without signing up
  • More transparent rating system
  • Improved search and filtering options
  • Integration with water quality databases

Prove It

Reported bugs

2 issues
  • Scanning errors
  • Incompatibility with some supplements

Requested features

2 requests
  • Ability to manually add supplements
  • Reduce subscription cost

In-app purchases

7 purchases

Oasis

Subscriptions7
  • Oasis Weekly$4.997 Days
  • Oasis Pro$7.991 Month
  • Oasis Pro3 Days trial$12.991 Month
Show 4 more
  • Oasis Pro3 Days trial$29.991 Year
  • Oasis Pro (annual)3 Days trial$47.001 Year
  • Oasis Pro (annual)3 Days trial$59.991 Year
  • Oasis Pro (annual)3 Days trial$69.991 Year
25 purchases

Prove It

Subscriptions25
  • Weekly Subscription with Trial3 Days trial$4.997 Days
  • Weekly Subscription$4.997 Days
  • weekly$7.997 Days
Show 22 more
  • monthly subscription$9.991 Month
  • Yearly Subscription$14.991 Year
  • yearly subscription$19.991 Year
  • Pro Subscription$25.993 Months
  • Food and Skincare Health Plan$29.991 Year
  • Prove It Quarterly$29.993 Months
  • Yearly Subscription$29.991 Year
  • Pro Subscription$32.493 Months
  • Yearly Subscription$34.991 Year
  • Yearly Subscription$35.901 Year
  • Prove It Quarterly$39.993 Months
  • Yearly Subscription$39.991 Year
  • Yearly Subscription$47.901 Year
  • Yearly Subscription with Trial3 Days trial$49.991 Year
  • Yearly 49.99$49.991 Year
  • Prove It Subscription3 Months trial$59.993 Months
  • yearly subscription$59.991 Year
  • yearly subscription$69.991 Year
  • Yearly Subscription$71.901 Year
  • Yearly Subscription$83.901 Year
  • Yearly Subscription$95.901 Year
  • yearly subscription$99.991 Year

Questions

Is Oasis free?
Oasis is free to download, with in-app purchases available.
Is Prove It free?
Prove It is free to download, with in-app purchases available.
Which has better reviews, Oasis or Prove It?
Oasis is rated higher. Oasis averages 4.8 out of 5 from 13K ratings, while Prove It averages 4.4 from 16K ratings.
Do Oasis or Prove It have ads?
Both Oasis and Prove It show ads.
Which is updated more often, Oasis or Prove It?
Oasis ships an update every 2 days, and Prove It every 6 days. Most recently, Oasis was updated on November 1, 2026 and Prove It on November 1, 2026.

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