# Peptide Calculator + vs Dosebook

The clearest difference is update cadence: Dosebook at daily against Peptide Calculator +'s every 8 days. Dosebook also leads on review sentiment (100% vs 75%) and rating (5.0 vs 4.7). Peptide Calculator +'s advantage is ratings volume (59 vs 7). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Peptide Calculator + sells 5 in-app purchases, starting at $3.99 per 7 days and Dosebook sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Dosebook holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Peptide Calculator + has 59 ratings behind it against 7, so its average is the more settled of the two. Written reviews point the same way: 75% of Peptide Calculator +'s written reviews are positive against 100% of Dosebook's.

Peptide Calculator + ships an update every 8 days, Dosebook daily. Both last shipped on October 24, 2026.

## The numbers

| Metric | Peptide Calculator + | Dosebook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (59 ratings)](https://appshunter.io/ios/app/peptide-calculator-plus/id6759960358/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/dosebook-peptide-tracker/id6761605951/reviews)** |
| Number of ratings | **59** | 7 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Freemium | Freemium |
| Size | 124 MB | 58 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Joseph Stein](https://appshunter.io/developer/535382667) | [Dustin Sparage](https://appshunter.io/developer/1874579031) |

## What reviewers say

### Peptide Calculator +

[App page](https://appshunter.io/ios/app/peptide-calculator-plus/id6759960358)

This app simplifies peptide dosing, reconstitution, and mixing. It calculates exact syringe draw amounts, helps blend multiple peptides, and determines precise dilution volumes for your protocol.

**Highlights:** Peptide dose calculator, Syringe draw amount calculation, Blend calculator for multiple peptides, Reconstitution calculator for dilution, Support for multiple syringe sizes, Intuitive interface

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $3.99 | per 7 days |
| Monthly | $9.99 | per month |
| Yearly | $11.99 | per year |
| Yearly | $19.99 | per year |
| Lifetime | $29.99 | one-time |


### Dosebook

[App page](https://appshunter.io/ios/app/dosebook-peptide-tracker/id6761605951)

This app helps organize research-focused routines with a peptide calculator and logbook. It assists with reconstitution math, logging doses, tracking inventory, and exploring a peptide reference library.

**Highlights:** Peptide reconstitution calculator, Dose and shot logbook, Active-level timeline estimation, Inventory tracking, Peptide reference library, Premium pro tools

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dosebook | $7.99 | per month |
| DoseBook | $49.99 | per year |


## Frequently asked questions

### Is Peptide Calculator + free?

Peptide Calculator + is free to download, with in-app purchases available.

### Is Dosebook free?

Dosebook is free to download, with in-app purchases available.

### Which has better reviews, Peptide Calculator + or Dosebook?

Dosebook is rated higher. Peptide Calculator + averages 4.7 out of 5 from 59 ratings, while Dosebook averages 5.0 from 7 ratings.

### Do Peptide Calculator + or Dosebook have ads?

Neither Peptide Calculator + nor Dosebook shows ads.

### Which is updated more often, Peptide Calculator + or Dosebook?

Peptide Calculator + ships an update every 8 days, and Dosebook daily. Most recently, Peptide Calculator + was updated on October 24, 2026 and Dosebook on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*