Answers
Ask anything. Get the studies.
The AI Researcher answers from published research, says when something is anecdote, and reads your own logs when you want it to.
Compare · Updated October 26, 2026
Peptide trackers, side by side
Every app here logs doses. PepperLedger is the one that also answers your questions from published studies and tells you when something is anecdote.
Start free · 23 days of Pro, no cardComparison
| Feature | PepperLedger | MyPeptideApp | DoseTrace | DoneDose | Regimen | Notes & spreadsheets |
|---|---|---|---|---|---|---|
| Price (USD) | Free · Pro $14.99/mo or $99/yr | Free | Free · Premium $2.99/mo or $28.99/yr | Free · Pro $4.99/mo or $34.99/yr | Free · Premium $7.99 or $49.99/yr | Free |
| Free plan | 2 protocols (a whole stack each), 30 days of history | No limits | 3 protocols | 3 medications | 1 compound | No limits |
| Log by typing or saying it | Yes | Not listed | Not listed | Not listed | Not listed | Partly (just text) |
| AI answers from the studies | Yes | No | No | Not listed | No | No |
| Compound guides | Yes, 105 compounds | No | Not listed | Partly (a few guides) | Partly (no studies cited) | No |
| Schedules and titration | Yes | Yes | Partly (schedules only) | Pro only | Yes | By hand |
| On/off cycles | Yes | Yes | Not listed | Not listed | Yes | By hand |
| Vial inventory and expiry | Yes | Yes | Yes | Partly (no expiry) | Premium only | By hand |
| Half-life level chart | Yes, free | Yes, free | Premium only | Pro only | Yes | No |
| Bloodwork | No | Yes | Yes | Not listed | Yes | Partly (if you type it in) |
| Dose reminders | Yes | Yes | Yes | Yes | Yes | No |
| Share with a coach or doctor | Yes (Pro) | Yes, free | Yes (Premium) | Yes (Pro) | Yes | Yes |
| Export your data | Pro only | Yes, free | Premium only | Pro only | Yes | Yes |
| Where it runs | Web app, installs an icon on your phone's home screen | Web app | iPhone, Android, Mac | iPhone, iPad, Mac, Android | iPhone, iPad, Mac, Android | Anywhere |
| Privacy | Doesn't sell your data or use it for ads | Doesn't sell or share your data | Doesn't sell or share your data | Doesn't sell your data; no account | Doesn't sell your health data | Up to you |
Only on PepperLedger
The tracker that answers back
Library
105 compound guides
Every citation checked against the paper itself. Mechanism, dosing, and what the studies actually show.
Logging
Log it like a text
"5mg sema, left abdomen, 8am" — or paste your whole stack. No forms to fill in.
Where others are ahead
- MyPeptideApp is free with no limits, including a share link for your coach or doctor. If price is all that matters, start there.
- Half-life charts from your logged doses:MyPeptideApp and Regimen chart your levels from what you log. PepperLedger's free half-life chart shows a dose you enter.
- Bloodwork: MyPeptideApp, DoseTrace and Regimen track lab results. PepperLedger tracks sleep, energy and mood instead.
- Lowest paid price: DoseTrace Premium at $2.99 a month.
- Phone apps: DoseTrace, DoneDose and Regimen are in the app stores. PepperLedger is a web app that puts an icon on your home screen.
Spotted something out of date? Email hello@realee.ai and we'll fix it.
Sources (26 pages)
- apps.apple.com/app/id6753905449
- apps.apple.com/app/id6761788157
- apps.apple.com/us/app/donedose/id6757083101
- donedose.com
- donedose.com/privacy
- dosetrace.io
- dosetrace.io/privacy-policy
- helloregimen.com
- helloregimen.com/bpc-157-tracker
- helloregimen.com/features
- helloregimen.com/llms-full.txt
- helloregimen.com/privacy
- mypeptideapp.com
- mypeptideapp.com/blog/best-free-peptide-tracker-app
- mypeptideapp.com/bloodwork
- mypeptideapp.com/changelog
- mypeptideapp.com/install
- mypeptideapp.com/peptide-log
- mypeptideapp.com/privacy
- mypeptideapp.com/sitemap.xml
- mypeptideapp.com/stash
- pepperledger.com
- pepperledger.com/learn
- pepperledger.com/pricing
- pepperledger.com/privacy
- play.google.com/store/apps/details?id=com.bolinas.donedose
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