# PenPal vs DoseWeek

The clearest difference is ads: PenPal at none against DoseWeek's shown. PenPal also leads on monetization model (freemium vs paid). DoseWeek's advantage is update cadence (every 5 days vs every 2 weeks) and device support (3 vs 1). On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. PenPal sells 2 in-app purchases, starting at $6.99 per month and DoseWeek sells 4 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

PenPal ships an update every 2 weeks, DoseWeek every 5 days. The most recent releases landed on October 28, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | PenPal | DoseWeek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/penpal-glp-1-shot-tracker/id6758325416/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 87.5% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Every 5 days** |
| Monetization | **Freemium** | Paid |
| Size | 11 MB | 96 MB |
| Requires iOS | **26.2** | 27.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [敏 张](https://appshunter.io/developer/1872251963) | [Wonyoung Labs](https://appshunter.io/developer/6803027743) |

## What reviewers say

### PenPal

[App page](https://appshunter.io/ios/app/penpal-glp-1-shot-tracker/id6758325416)

Track your GLP-1 medication journey, including injections, weight changes, and wellbeing. Generate reports for your doctor and gain insights into your progress. Earn badges for achievements and sync data across devices.

**Highlights:** Log injections with site and dose, Track weight and set goals, Monitor appetite, energy, and symptoms, Generate PDF reports for doctors, Smart injection reminders, Rotation tracking for injection sites, Earn achievement badges

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PenPal Buddy Monthly | $6.99 | per month |
| PenPal Annual | $29.99 | per year |


### DoseWeek

[App page](https://appshunter.io/ios/app/doseweek-injection-tracker/id6803027741)

This app is a private, manual log for tracking injection therapy schedules, doses taken, side effects, and body changes. It offers customizable cycle lengths and intervals, with all data stored locally and encrypted for user control. Optional on-device AI features assist with data entry and visit preparation.

**Highlights:** Track injection schedules, Log doses taken and locations, Record side effects and body changes, Customizable cycle lengths (1-90 days), Flexible dosing intervals, Private, on-device data storage, Encrypted backups controlled by user

**Features:** Apple Watch app, iPhone Duo support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DoseWeek Plus Monthly | $1.99 | per month |
| DoseWeek Pro Monthly | $4.99 | per month |
| DoseWeek Plus Annual | $13.99 | per year |
| DoseWeek Pro Annual | $34.99 | per year |


## Frequently asked questions

### Is PenPal free?

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

### Is DoseWeek free?

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

### Do PenPal or DoseWeek have ads?

DoseWeek shows ads; PenPal does not.

### Which is updated more often, PenPal or DoseWeek?

PenPal ships an update every 2 weeks, and DoseWeek every 5 days. Most recently, PenPal was updated on October 28, 2026 and DoseWeek on October 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*