# POP vs XT.

The clearest difference is price: XT. at Free against POP's $14.99. XT. also leads on update cadence (daily vs every 21 months). POP's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On ads and in-app purchases there is nothing between them.

XT. is free to download; POP costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

POP ships an update every 21 months, XT. daily. The most recent releases landed on October 14, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | POP | XT. |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Daily** |
| Size | 31 MB | 172 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [GPM AS](https://appshunter.io/developer/1156292415) | [Memberflow AS](https://appshunter.io/developer/1871918752) |

## What reviewers say

### POP

[App page](https://appshunter.io/ios/app/pop-patient/id1670906805)

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

**In-app purchases:** none


### XT.

[App page](https://appshunter.io/ios/app/xt/id6760293804)

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

**In-app purchases:** none


## Frequently asked questions

### Is POP free?

POP costs $14.99, with no in-app purchases.

### Is XT. free?

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

### Do POP or XT. have ads?

Neither POP nor XT. shows ads.

### Which is updated more often, POP or XT.?

POP ships an update every 21 months, and XT. daily. Most recently, POP was updated on October 14, 2026 and XT. 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.*