Subterra TLV vs Permed2
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Subterra TLV
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Welcome to the Subterra TLV members app! Download our app to plan and book your fitness classes. At the click of a button, you can view class schedules, sign up for classes and even invite a friend to join you! With the app, youโll keep in touch with Subterra TLV staff and coaches, receive notifications, news and reminders.
Permed2
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Permed2 is a specialized mobile application developed by Tel Aviv University, designed exclusively for participants enrolled in our clinical research studies. Currently, the app hosts the BreastCare research module, serving as a centralized platform for secure data collection, combining subjective user feedback with objective physiological measurements to support advanced medical research. Key Features: - Daily Questionnaires: Easily complete your required daily surveys directly within the app. The app also includes guided instructions for specific study tasks, such as securely taking required clinical photographs as part of the research protocol. - Smartwatch Integration: Pair and sync your smartwatch through the app to log wearing hours and objective physiological data, providing researchers with a complete health picture. - Progress & Rewards: Stay engaged with the study through a built-in reward system. Maintain your daily response "Streaks" and earn "Coins" based on your survey completion rates and smartwatch wearing hours. - Study Information & Resources: Access explanations about the research, read through Frequently Asked Questions (FAQs), and find relevant contact information for the research team and medical center. - Secure & Anonymous: Participant privacy is our top priority. All collected data is synced and stored anonymously and securely, adhering to strict research data protection standards. Medical Disclaimer: This application is intended strictly for research data collection purposes. It does not provide medical diagnoses, medical advice, or treatment. Always consult a qualified healthcare professional for any medical concerns.
Screenshots
Verdict
Subterra TLV and Permed2 are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Subterra TLV ships an update every 4 months, Permed2 every 3 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.
| Parameter | Subterra TLV | Permed2 |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 3 months โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod โ better |
| Requires iOS | 15.1 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 52 MB | 80 MB |
| Age rating | 4+ | 17+ |
| Developer | Arbox LTD | Tel Aviv University |
In-app purchases
Subterra TLV
No in-app purchases
Permed2
No in-app purchases









