How this comparison was put together
Every app in this roundup was assessed against the same question: can it describe a real protocol without forcing you to keep half of it somewhere else? That means reconstitution math for anything mixed from powder, an inventory that knows how many doses are left in an open vial, a record of which site was used last, a way to represent compounds that cycle on and off rather than run forever, and some form of interaction checking between the things you actually take together.
Apps that were built for prescription adherence score well on reminders and badly on everything else, and that is not a criticism of them — a pill list is the correct data model for a pill list. The distinction that matters when you are choosing is whether your routine is a fixed list of tablets or a protocol that changes month to month.
Where an app is genuinely better than DoseRoutine at something, that is stated plainly above. Medisafe's caregiver feature and refill tracking have no equivalent here. Cronometer's micronutrient database is deeper than anything a dose tracker needs. Peptide Tracker and OptiPin are smaller and quicker to set up if injectables are all you log.
The features people underestimate
Vial inventory sounds like a nice-to-have until the first time a vial runs out mid-week. An app that knows the concentration you mixed and counts down as you log doses tells you when to reorder several days before it becomes urgent, and it also catches the quiet error where a dose was logged twice.
Injection-site rotation is the same story. Written down, a rotation pattern is easy; held in your head across two compounds on different frequencies, it drifts, and the sites that get overused are the ones that develop scarring first. A visual site history removes the guesswork in about two seconds per dose.
Interaction checking is the feature most often skipped entirely. Prescription-focused apps check drug against drug and ignore supplements. In practice the routines that need checking most are the mixed ones — a supplement stack layered over a hormone protocol with a couple of prescriptions in the background — because that combination is exactly what no single system was designed to see.
Switching without losing your history
Nobody wants to re-enter a year of logs. The practical approach is to keep the old app read-only for history, start the new one from today, and export a summary from the old app if it offers one. Doses going forward will be complete, and the historical record stays available where it already lives.
Rebuilding the protocol itself is faster than people expect when the app has a reference library: pick the compound, confirm the dose and schedule, and the units, typical ranges and interaction data come attached rather than being typed in by hand.