# Peptide Calculator + vs PepLab

The clearest difference is in-app purchases: PepLab at none against Peptide Calculator +'s 5. PepLab also leads on review sentiment (100% vs 75%). On price, update cadence, ads 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. PepLab asks for nothing beyond the download.

Peptide Calculator + ships an update every 8 days, PepLab every 10 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Peptide Calculator + | PepLab |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (59 ratings)](https://appshunter.io/ios/app/peptide-calculator-plus/id6759960358/reviews)** | — |
| Number of ratings | **59** | — |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 8 days** | Every 10 days |
| Monetization | Freemium | **Free** |
| Size | 124 MB | 40 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Joseph Stein](https://appshunter.io/developer/535382667) | [YAKOV LLC](https://appshunter.io/developer/6775978971) |

## 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 |


### PepLab

[App page](https://appshunter.io/ios/app/peplab/id6775978969)

This app serves as a comprehensive, free educational guide to peptides, offering detailed scientific information, personalized protocol organization, and evidence-based methods. It provides access to studies, storage guides, and exclusive offers, all presented in a clear and accessible format.

**Highlights:** 38 peptides with detailed scientific info, Categorized peptide information, Links to PubMed studies, Personalized protocol organization, Daily progress tracking, Evidence-based peptide combinations

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

**In-app purchases:** none


## Frequently asked questions

### Is Peptide Calculator + free?

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

### Is PepLab free?

PepLab is free to download, with no in-app purchases.

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

Neither Peptide Calculator + nor PepLab shows ads.

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

Peptide Calculator + ships an update every 8 days, and PepLab every 10 days. Most recently, Peptide Calculator + was updated on October 24, 2026 and PepLab on October 8, 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.*