YTHSDigi vs Caffeine Tracking
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
YTHSDigi
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YTHSDigi is the digital service of the Finnish Student Health Service (FSHS) for higher education students. YTHSDigi is available around the clock to support you with health-related matters. YTHSDigi is available if you are a degree student in higher education and have registered as attending for the current semester at your institution. You can access the services through a chat with a healthcare professional or via a digital care pathway. You can also use the service through a pre-booked remote appointment with a professional and fill in care-related questionnaires and pre-information forms addressed to you. You can act on behalf of another person via the Suomi.fi service.
Caffeine Tracking
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Caffeine tells you how much caffeine is in your body right now, and when it will drop low enough for you to sleep. It doesn't just add up milligrams. Every drink is absorbed slowly and then clears at your own pace, so the number climbs after a coffee, reaches a peak, and falls, the way caffeine really behaves. Last night's espresso still counts in the morning. Tap a preset to log a drink, or enter a custom amount. Had a coffee earlier and forgot? Set the time and add it. The daily curve shows where you are, and you can drag along it to check your level at any point. When you're deciding on one more cup, drinks that would keep you up past bedtime are greyed out. Make it yours in Settings: how quickly you clear caffeine, your bedtime, and how much you'll allow before sleep. Add the Home Screen widget to keep an eye on your level. Your data stays on your phone. No account, no sign up, no tracking. Export everything as a CSV whenever you like.
Screenshots
Verdict
YTHSDigi and Caffeine Tracking are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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 | YTHSDigi | Caffeine Tracking |
|---|---|---|
| Price | Free | Free |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 140 MB | 4 MB |
| Age rating | 12+ | 4+ |
| Developer | Ylioppilaiden terveydenhoitosäätiö | Ideakettu Oy |
In-app purchases
YTHSDigi
No in-app purchases
Caffeine Tracking
No in-app purchases









