# C3ntro vs GLP 1 Tracker

The clearest difference is in-app purchases: C3ntro at none against GLP 1 Tracker's 3. C3ntro also leads on device support (3 vs 1) and iOS requirement (14.0 vs 16.0). GLP 1 Tracker's advantage is ads (none vs shown) and update cadence (every 5 days vs every 3 months). On price there is nothing between them.

Both are free to download. GLP 1 Tracker sells 3 in-app purchases, starting at $7.99 per month. C3ntro asks for nothing beyond the download.

C3ntro ships an update every 3 months, GLP 1 Tracker every 5 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | C3ntro | GLP 1 Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 126 MB | 40 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Timko, S.A](https://appshunter.io/developer/1711584911) | [Vexor Digital LLC](https://appshunter.io/developer/1884236036) |

## What reviewers say

### C3ntro

[App page](https://appshunter.io/ios/app/c3ntro/id6469114270)

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### GLP 1 Tracker

[App page](https://appshunter.io/ios/app/glp-1-tracker-hush/id6818096255)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly: GLP-1 Shot Tracker | $7.99 | per month |
| Pro 3 Months: GLP-1 Shot Tracker | $14.99 | per 3 months |
| Pro Yearly: GLP-1 Shot Tracker | $39.99 | per year |


## Frequently asked questions

### Is C3ntro free?

C3ntro is free to download, with no in-app purchases.

### Is GLP 1 Tracker free?

GLP 1 Tracker is free to download, with in-app purchases available.

### Do C3ntro or GLP 1 Tracker have ads?

C3ntro shows ads; GLP 1 Tracker does not.

### Which is updated more often, C3ntro or GLP 1 Tracker?

C3ntro ships an update every 3 months, and GLP 1 Tracker every 5 days. Most recently, C3ntro was updated on October 25, 2026 and GLP 1 Tracker on October 24, 2026.

---

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