Preserve Smart vs Project PROTECTS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Preserve Smart
Access tested food preservation recipes and instructions tailored to your elevation and location. Get canning, freezing, and drying guidance for over 50 foods, based on research from Colorado State University Extension.
- Elevation-based recipe adjustments
- Seasonal produce information by state
- Canning, freezing, and drying instructions
- Recipes for over 50 foods
- Research-backed recommendations
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Preserve Smart provides a mobile-friendly way to access and use tested food preservation recipes and instructions, whether you live at sea level or high in the Rocky Mountains! Quickly determine the elevation of your kitchen, access seasonal produce information for your state, and get canning, freezing and drying instructions for over 50 foods—including fruits, vegetables and meats. Information provided is based on recommendations as determined by Colorado State University Extension and the National Center for Home Food Preservation—established with funding from the Cooperative State Research, Education and Extension Service, U.S. Department of Agriculture (CSREES-USDA).
Project PROTECTS
This research study invites adults in the US to help understand the effects of respiratory infections. Participants need a smartphone, email, and internet access to contribute to vital health research.
- Participate in health research
- Understand infection effects
- Smartphone required
- US-based eligibility
- Contribute to scientific understanding
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Project PROTECTS is inviting 6,000 adults across the United States to help researchers better understand the short- and long-term effects of respiratory infections. Project PROTECTS is a collaboration between researchers at the City University of New York (CUNY) Institute for Implementation Science in Population Health (ISPH) and Pfizer. You are eligible to participate in Project PROTECTS if you: - Are 18 years or older - Live in a US state, DC, or Puerto Rico - Have a personal smartphone with a working camera - Have a personal email address - Have internet access If you have any questions, comments, or concerns about the research, you can contact a study coordinator at: ProjectProtects@sph.cuny.edu
Screenshots
Verdict
The clearest difference is review sentiment: Project PROTECTS at 67% against Preserve Smart's 10%. Project PROTECTS also leads on rating (3.7 vs 1.9). Preserve Smart's advantage is ratings volume (18 vs 3) and iOS requirement (9.0 vs 15.6). On price, update cadence, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Project PROTECTS holds the better App Store score, 3.7 against 1.9. That said, the two scores are not equally well evidenced: Preserve Smart has 18 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 10% of Preserve Smart's written reviews are positive against 67% of Project PROTECTS's.
Preserve Smart ships an update every 3 weeks, Project PROTECTS monthly. The most recent releases landed on October 5, 2026 and October 17, 2026 respectively.
| Parameter | Preserve Smart | Project PROTECTS |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (18 ratings) | 3.7 (3 ratings) — better |
| Positive reviews | 10.0% of reviews | 66.7% of reviews — better |
| Number of ratings | 18 — better | 3 |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 9.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 2 MB | 80 MB |
| Age rating | 4+ | 17+ |
| Developer | Colorado State University | Vibrent Health, Inc. |
Customer experience
Preserve Smart
Project PROTECTS
In-app purchases
Preserve Smart
No in-app purchases
Project PROTECTS
No in-app purchases
Questions
Is Preserve Smart free?
Is Project PROTECTS free?
Which has better reviews, Preserve Smart or Project PROTECTS?
Do Preserve Smart or Project PROTECTS have ads?
Which is updated more often, Preserve Smart or Project PROTECTS?
Other comparisons
