# When Do I Expire vs ctLibrary

The clearest difference is in-app purchases: ctLibrary at none against When Do I Expire's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. When Do I Expire sells 2 in-app purchases, starting at $9.99 per month. ctLibrary asks for nothing beyond the download.

When Do I Expire ships an update every 2 days, ctLibrary daily. The most recent releases landed on September 24, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | When Do I Expire | ctLibrary |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 28 MB | 43 MB |
| Requires iOS | **15.1** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Easy Pro Technologies LLC](https://appshunter.io/developer/1691011129) | [CozziTech LLC](https://appshunter.io/developer/1881303395) |

## What reviewers say

### When Do I Expire

[App page](https://appshunter.io/ios/app/when-do-i-expire/id6758907754)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $9.99 | per month |
| Pro Yearly Subscription | $79.99 | per year |


### ctLibrary

[App page](https://appshunter.io/ios/app/ctlibrary/id6773506408)

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

**In-app purchases:** none


## Frequently asked questions

### Is When Do I Expire free?

When Do I Expire is free to download, with in-app purchases available.

### Is ctLibrary free?

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

### Do When Do I Expire or ctLibrary have ads?

Neither When Do I Expire nor ctLibrary shows ads.

### Which is updated more often, When Do I Expire or ctLibrary?

When Do I Expire ships an update every 2 days, and ctLibrary daily. Most recently, When Do I Expire was updated on September 24, 2026 and ctLibrary on September 19, 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.*