# EvoFit321 vs DoseStack Peptide Tracker

The clearest difference is in-app purchases: EvoFit321 at none against DoseStack Peptide Tracker's 2. DoseStack Peptide Tracker's advantage is update cadence (every 5 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DoseStack Peptide Tracker sells 2 in-app purchases, starting at $7.99 per month. EvoFit321 asks for nothing beyond the download.

EvoFit321 ships an update every 4 months, DoseStack Peptide Tracker every 5 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | EvoFit321 | DoseStack Peptide Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dosestack-peptide-tracker/id6760562627/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 32 MB | 54 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Evolution Fitness 321 LLC](https://appshunter.io/developer/1691288480) | [OurOdysea LLC](https://appshunter.io/developer/1854209828) |

## What reviewers say

### EvoFit321

[App page](https://appshunter.io/ios/app/evofit321/id6449971704)

**Features:** macOS Compatibility

**In-app purchases:** none


### DoseStack Peptide Tracker

[App page](https://appshunter.io/ios/app/dosestack-peptide-tracker/id6760562627)

This app helps manage peptide, GLP-1, and hormone replacement therapies. It offers dose calculation, injection logging, medication reminders, symptom tracking, and provider-ready reports. Simplify your daily tracking routine for various medications and wellness metrics.

**Highlights:** Dose calculator for peptides and GLP-1, Injection logging and site tracking, Customizable medication reminders, Symptom and wellness tracking, Lab results and biomarker logging, Provider-ready reports

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoseStack Pro Monthly | $7.99 | per month |
| DoseStack Pro Annual | $59.99 | per year |


## Frequently asked questions

### Is EvoFit321 free?

EvoFit321 is free to download, with no in-app purchases.

### Is DoseStack Peptide Tracker free?

DoseStack Peptide Tracker is free to download, with in-app purchases available.

### Do EvoFit321 or DoseStack Peptide Tracker have ads?

Neither EvoFit321 nor DoseStack Peptide Tracker shows ads.

### Which is updated more often, EvoFit321 or DoseStack Peptide Tracker?

EvoFit321 ships an update every 4 months, and DoseStack Peptide Tracker every 5 days. Most recently, EvoFit321 was updated on November 3, 2026 and DoseStack Peptide Tracker on October 31, 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.*