# Glow vs Peptify

The clearest difference is in-app purchases: Glow at none against Peptify's 3. Glow also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Peptify sells 3 in-app purchases, starting at $4.99 per month. Glow asks for nothing beyond the download.

Glow ships an update every 6 days, Peptify every 4 days. The most recent releases landed on September 17, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Glow | Peptify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (22 ratings)](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148/reviews)** |
| Number of ratings | — | **22** |
| Positive reviews | — | 85.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 6 days | **Every 4 days** |
| Monetization | — | Freemium |
| Size | 8 MB | 85 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Heather Quintal](https://appshunter.io/developer/1877546562) | [Peptify LLC](https://appshunter.io/developer/6808306686) |

## What reviewers say

### Glow

[App page](https://appshunter.io/ios/app/glow-skincare-device-timer/id6759227475)

**Features:** macOS Compatibility

**In-app purchases:** none


### Peptify

[App page](https://appshunter.io/ios/app/peptify-peptide-tracker/id6760272148)

This app provides comprehensive tools for tracking peptide protocols, including advanced pharmacokinetic modeling, bloodwork analysis, and educational resources. It helps users monitor their progress, understand compound interactions, and generate reports for healthcare providers.

**Highlights:** Pharmacokinetic modeling, Bloodwork analysis and import, Research-backed compound library, Professional PDF report generation, Body composition tracking, Educational courses and quizzes, Protocol and injection site management

**Features:** macOS Compatibility, Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Peptify Pro Monthly | $4.99 | per month |
| Peptify Pro Annual | $29.99 | per year |
| Lifetime Access | $89.99 | one-time |


## Frequently asked questions

### Is Glow free?

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

### Is Peptify free?

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

### Do Glow or Peptify have ads?

Peptify shows ads; Glow does not.

### Which is updated more often, Glow or Peptify?

Glow ships an update every 6 days, and Peptify every 4 days. Most recently, Glow was updated on September 17, 2026 and Peptify on September 22, 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.*