# DosePen vs GLP

The clearest difference is iOS requirement: GLP at 15.1 against DosePen's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. DosePen sells 2 in-app purchases, starting at $5.99 per 7 days and GLP sells 2 in-app purchases, starting at $9.99 per year. Whichever you choose, the download price is not the number that matters.

DosePen ships an update weekly, GLP fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | DosePen | GLP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 19 MB | 66 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [FAT FIRE APPS](https://appshunter.io/developer/1654496945) | [SERKAN SAYHAN](https://appshunter.io/developer/1882977806) |

## What reviewers say

### DosePen

[App page](https://appshunter.io/ios/app/dosepen-glp-1-tracker/id6761579709)

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DosePen Weekly Premium | $5.99 | per 7 days |
| DosePen Premium | $29.99 | one-time |


### GLP

[App page](https://appshunter.io/ios/app/glp-1-tracker-doseline/id6801880647)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Doseline Pro | $9.99 | per year |
| Doseline Pro | $19.99 | per year |


## Frequently asked questions

### Is DosePen free?

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

### Is GLP free?

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

### Do DosePen or GLP have ads?

Neither DosePen nor GLP shows ads.

### Which is updated more often, DosePen or GLP?

DosePen ships an update weekly, and GLP fortnightly. Most recently, DosePen was updated on October 28, 2026 and GLP on October 25, 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.*