LowSalt4Life vs Class With Catherine
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LowSalt4Life
This research application is designed for participants in a specific clinical hypertension study conducted by the University of Michigan. Access is restricted to individuals enrolled in this study.
- Clinical study participation
- Hypertension research data collection
- University of Michigan developed
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The LowSalt4Life app is a research app made by the University of Michigan. User participation is limited to those enrolled in a clinical hypertension study.
Class With Catherine
Access over 500 on-demand fitness classes for strength, HIIT, and sculpting. Find workouts tailored to your mood and body focus with quick filters. Enjoy a fun, motivating approach to wellness that celebrates movement.
- 500+ on-demand live classes
- Strength, HIIT, Sculpt, Low Impact
- Filter by body focus, time, vibe
- Motivation and energy focused
- Balanced lifestyle approach
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Class With Catherine is your new, go to digital platform for all things fitness, fun and wellness. We believe in a balanced lifestyle and that working out should be a form of celebration, not punishment. These workouts will transform your body and your confidence! [ON-DEMAND LIVE CLASSES] - Access 500+ on-demand live classes, providing motivation, energy and variety to keep your workouts fun, engaging and effective. [VARIETY OF TRAINING STYLES] - Strength, HIIT, Sculpt, Low Impact, No Repeat, Muscle Specific [QUICK & EASY FILTERS] - Use the filters to find the perfect workout for your mood. Filter by body focus, time, music vibe, energy, etc. Ensuring a perfect workout experience every time. INTO OFFER: 7 DAYS FREE for new members!
Screenshots
Verdict
The clearest difference is review sentiment: Class With Catherine at 100% against LowSalt4Life's 0%. Class With Catherine also leads on rating (5.0 vs 2.0). LowSalt4Life's advantage is update cadence (every 3 months vs every 12 months). 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Class With Catherine holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 8 and 16 respectively. Written reviews point the same way: 0% of LowSalt4Life's written reviews are positive against 100% of Class With Catherine's.
LowSalt4Life ships an update every 3 months, Class With Catherine every 12 months. The most recent releases landed on June 3, 2026 and September 9, 2026 respectively.
| Parameter | LowSalt4Life | Class With Catherine |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (8 ratings) | 5.0 (16 ratings) — better |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 8 | 16 — better |
| Update frequency | Every 3 months — better | Every 12 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 74 MB | 121 MB |
| Age rating | 12+ | 12+ |
| Developer | The University of Michigan | Sutra Fitness, Inc. |
Customer experience
LowSalt4Life
Class With Catherine
In-app purchases
LowSalt4Life
No in-app purchases
Class With Catherine
No in-app purchases
Questions
Is LowSalt4Life free?
Is Class With Catherine free?
Which has better reviews, LowSalt4Life or Class With Catherine?
Do LowSalt4Life or Class With Catherine have ads?
Which is updated more often, LowSalt4Life or Class With Catherine?
Other comparisons
