# Peptide Calculator + vs PeptideCore

The clearest difference is update cadence: Peptide Calculator + at every 8 days against PeptideCore's every 3 weeks. Peptide Calculator + also leads on iOS requirement (15.1 vs 26.4). On price, ads, in-app purchases and device support 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 PeptideCore sells 2 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Calculator + ships an update every 8 days, PeptideCore every 3 weeks. The most recent releases landed on October 10, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Peptide Calculator + | PeptideCore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (58 ratings)](https://appshunter.io/ios/app/peptide-calculator-plus/id6759960358/reviews)** | — |
| Number of ratings | **58** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 3 weeks |
| Monetization | Freemium | — |
| Size | 124 MB | 13 MB |
| Requires iOS | **15.1** | 26.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Joseph Stein](https://appshunter.io/developer/535382667) | [Nicolas Rios](https://appshunter.io/developer/1519523163) |

## 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 |


### PeptideCore

[App page](https://appshunter.io/ios/app/peptidecore-shot-and-stack-log/id6769197152)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $12.99 | per month |
| Pro Yearly | $79.99 | per year |


## Frequently asked questions

### Is Peptide Calculator + free?

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

### Is PeptideCore free?

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

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

Neither Peptide Calculator + nor PeptideCore shows ads.

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

Peptide Calculator + ships an update every 8 days, and PeptideCore every 3 weeks. Most recently, Peptide Calculator + was updated on October 10, 2026 and PeptideCore on October 11, 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.*