# Peptide Calculator + vs PepsLab

The clearest difference is monetization model: Peptide Calculator + at freemium against PepsLab's subscription. PepsLab's advantage is review sentiment (100% vs 75%). On price, update cadence, ads and in-app purchases 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 PepsLab sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Peptide Calculator + ships an update every 8 days, PepsLab every 4 days. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Peptide Calculator + | PepsLab |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 4 days** |
| Monetization | **Freemium** | Subscription |
| Size | 124 MB | 42 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Joseph Stein](https://appshunter.io/developer/535382667) | [Eyko LLC](https://appshunter.io/developer/1881731925) |

## 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 |


### PepsLab

[App page](https://appshunter.io/ios/app/pepslab-peptide-tracker/id6788729970)

Manage your peptide and GLP-1 journey with this app. Track inventory, health metrics, nutrition, and personal logs. Features include AI meal scanning, injection mapping, and symptom tracking for a consistent routine.

**Highlights:** Inventory management with vial photos, Visual injection zone mapping, Symptom and dosage tracking, AI meal scanning for macro estimation, Hydration and sleep monitoring, GLP-1 weight trend visualization, AI pattern recognition for correlations

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PepsLab Pro Monthly | $8.99 | per month |
| PepsLab Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Peptide Calculator + free?

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

### Is PepsLab free?

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

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

Neither Peptide Calculator + nor PepsLab shows ads.

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

Peptide Calculator + ships an update every 8 days, and PepsLab every 4 days. Most recently, Peptide Calculator + was updated on October 24, 2026 and PepsLab on October 10, 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.*