The Peptide App
Keep calculations, research, and tracking in one place.
- guided reconstitution and blend calculations
- peptide, protocol, source, and market context
- reminders, logs, check-ins, photos, and progress metrics
Verifiable facts · first-party sources · 2026
Peptide calculator apps for iPhone, compared without a fake winner.
Both apps handle calculations from user-entered values and keep records. Device support, features, privacy, and price separate them.
Sources checked August 18, 2026
Pick the app that matches your setup.
The Peptide App connects its calculator to research, protocol planning, reminders, and outcome tracking. PeptideCalc favors offline-first records, iPad support, more syringe formats, and a one-time purchase.
Side-by-side facts
The Peptide App vs PeptideCalc
| What to compare | The Peptide Appcalculator + protocol and outcome workflow | PeptideCalcoffline-first calculator and tracker |
|---|---|---|
| Device support | Designed for iPhone; the current U.S. listing requires iOS 15.1 or later. | Designed for iPhone and iPad; the official page requires iOS or iPadOS 18.6 or later. |
| Listed price | Free to download. The U.S. listing shows $9.99 monthly and $49.99 yearly in-app purchases. | $4.99 one-time purchase, with no recurring subscription listed on the official page. |
| Calculator workflow | Guided reconstitution for user-entered vial, diluent, and instructed amount values, including multi-peptide blends. | User-entered reconstitution and unit calculations for vials, pens, liquids, blends, and multiple syringe calibrations. |
| Planning and records | Protocol schedules, reminders, dose logs, progress check-ins, photos, body scans, and goal-specific metrics. | Schedules, reminders, dose logs, injection-site records, inventory, adherence summaries, and modeled medication levels. |
| Research and discovery | Peptide and protocol pages, goal-based discovery, source tabs, and vendor price and COA-document filters. | Saved protocols, reference presets, search, inventory, and insights centered on records the user enters. |
| Data approach | The App Store privacy label says contact info, identifiers, usage data, and diagnostics may be collected but not linked to identity. | No account required; core records are stored locally by default, with optional iCloud sync and read-only Apple Health import. |
| Current rating evidence | 4.6 from 57 U.S. App Store ratings, checked August 18, 2026. | 4.9 from 217 U.S. App Store ratings, reported by its official page as of August 10, 2026. |
PeptideCalc
Keep the calculator and records local.
- iPhone and iPad support on newer operating systems
- multiple syringe calibrations and medication formats
- no account, offline use, and optional iCloud sync
Free browser option
Start with the web calculator.
Enter the amount from your own instructions and confirm the vial and diluent values. The web calculator returns concentration, milliliters, and U-100 syringe units. It does not choose an amount, product, or schedule.
Questions people ask
Peptide calculator app FAQ
Which peptide calculator app is best for iPhone?
Start with what you need beyond the calculation. The Peptide App adds research pages, protocol planning, reminders, and outcome tracking. PeptideCalc adds offline-first records, iPad support, more syringe formats, and a one-time purchase.
Do these apps choose a peptide amount or dosing schedule?
No calculator should be treated as a prescriber. Both products describe calculations and recordkeeping based on values or schedules the user enters. Confirm the product label, supplied instructions, and professional guidance before relying on a conversion.
Is there a free peptide calculator without an iPhone app?
Yes. ThePeptide.app/calculator is a free browser calculator for user-supplied vial, diluent, and instructed amount values. It converts those inputs into concentration, milliliters, and U-100 syringe units without choosing an amount or schedule.
Why does this comparison include a review date?
Prices, ratings, compatibility, privacy labels, and features change. The date shows when we last checked the two source listings.
How we compared them
The comparison uses public product facts.
We checked platform support, listed price, documented features, privacy disclosures, and current rating counts. Clinical accuracy and private source code fall outside that scope. Sponsored placements and anonymous testimonials did not influence the comparison.
Calculator output depends on the vial, diluent, syringe, and instructed amount entered. Check the product label. Ask a pharmacist or licensed clinician about anything unclear.