LondonCryo vs Protocol Stack Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LondonCryo
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Download the LondonCryo App today to plan and schedule your appointments! From this mobile App you can view schedules, book appointments as well as view our location information. Optimize your time and maximize the convenience of booking your appointments from your device! Download this App today!
Protocol Stack Tracker
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Protocol is a fast, beautiful way to track your daily longevity stack. Build your routine, swipe to check things off, and keep your streak alive. — One card per supplement: swipe left to complete, right to skip — Morning, evening, and anytime sections — Streak + daily progress, on a home screen widget too — Optional reminders, plus one-tap export for your health AI — Add anything that's part of your protocol. Not just pills — Syncs privately through iCloud. No account, no ads, no tracking. Protocol is an independent passion project, not affiliated with or endorsed by Blueprint or Bryan Johnson.
Screenshots
Verdict
The clearest difference is iOS requirement: LondonCryo at 16.0 against Protocol Stack Tracker's 26.0. On price, ads, in-app purchases and device support 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.
| Parameter | LondonCryo | Protocol Stack Tracker |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 16.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 191 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | LondonCryo | DAVIS CABRERA |
In-app purchases
LondonCryo
No in-app purchases
Protocol Stack Tracker
No in-app purchases
Questions
Is LondonCryo free?
Is Protocol Stack Tracker free?
Do LondonCryo or Protocol Stack Tracker have ads?
Other comparisons
