# Dosii: Peptide Calculator — Reconstitution & syringe units

> Peptide reconstitution calculator for precise syringe measurements and cost estimation. (iPhone/iPad app by John Samuelson.)

- Source: https://appshunter.io/ios/app/dosii-peptide-calculator/id6759966611 (this page in markdown: same URL + `.md`)
- Developer: [John Samuelson](https://appshunter.io/developer/1881988634)
- Category: Utilities
- Price: $9.99
- Rating: 5.00/5 from 1 App Store ratings
- Age rating: 4+
- Requires: iOS 15.1 · 70 MB
- Languages: American English
- Released: 2026-03-20
- Data updated: 2026-09-29
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/dosii-peptide-calculator/id6759966611/reviews.md

## What is Dosii?

Understand your numbers, then calculate. Dosii brings a peptide reconstitution calculator, saved calculations and 24 illustrated resources together in one app.

CALCULATE WITH CONTEXT
Enter the amounts from your own instructions. See the calculated draw in syringe units and mL, inspect the U-100 scale, and follow the arithmetic step by step. Compare water volumes while keeping your entered dose unchanged.

ANSWERS WITHIN REACH
Explore 24 illustrated answers about mg, mcg, mL, syringe markings, concentration, equipment, storage and expiry. Search for a question or browse by topic. Resources are included and available offline.

KEEP YOUR SETUPS
Name, find and restore saved calculations on your device. Use vial-plus-water or ready-mixed inputs, and choose a 30-, 50- or 100-unit U-100 syringe capacity. Optional vial pricing helps you understand cost per dose.

NO ACCOUNT REQUIRED
Start using the calculator and resources right away. Calculations stay in local app storage. No subscription.

Dosii calculates from the values you enter. It does not choose a dose, verify a product, or replace instructions from a qualified healthcare professional. Follow the product-specific instructions for preparation, equipment, storage and use.

## Key features

- Peptide reconstitution calculation
- Exact syringe fill line display
- Cost per dose calculation
- Supports mg, mcg, and IU units
- Works with pre-mixed compounds
- No data collection or accounts


## Frequently asked questions about Dosii

### How does Dosii calculate the syringe fill line?

Dosii uses your input for vial size, desired dose, and water amount to precisely calculate the exact fill line on a 30u, 50u, or 100u insulin syringe. This eliminates the need for manual calculations.

### Does Dosii collect any user data?

No, Dosii prioritizes user privacy. It explicitly states it has zero analytics and zero tracking, with all calculations performed locally on your device. No accounts are required.

### What units does Dosii support for dosing?

Dosii supports multiple dosing units, including milligrams (mg), micrograms (mcg), and International Units (IU). This flexibility accommodates various peptide formulations.

### Can Dosii calculate the cost of my dose?

Yes, Dosii can calculate the cost per dose. Simply enter the price of your vial, and the app will provide an estimated cost for each dose.

### What is the price of Dosii?

Dosii is a paid application, priced at $9.99. The app emphasizes a 'pay once, own it forever' model with no subscriptions.

### On which devices can I use Dosii?

Dosii is currently supported on iPhones and iPods. It is designed for iOS devices.

### How often is Dosii updated?

Dosii was last updated on March 20, 2026, with version 1.0. As a utility app focused on calculation, major updates may be infrequent unless new features or significant bug fixes are required.

### Is Dosii suitable for pre-mixed compounds?

Yes, Dosii is designed to work with pre-mixed compounds, such as testosterone. It simplifies the reconstitution process for these types of substances.

## Version history (last 3 releases)

### 1.1.1 — 2026-09-28

Updated App Store name and details.

### 1.1.0 — 2026-09-15

Meet Resources: 24 illustrated answers about your numbers, equipment, mixing and storage, available offline.

A refreshed calculator shows syringe units and mL together, with a worked explanation and water comparisons. Name and restore saved calculations, switch between vial-plus-water and ready-mixed inputs, and enjoy clearer controls and a cleaner launch screen.

### 1.0 — 2026-03-20

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-09-29.*