# Infidelity ER vs Pax

The clearest difference is in-app purchases: Pax at none against Infidelity ER's 1. Pax also leads on update cadence (daily vs every 2 months). Infidelity ER's advantage is ads (none vs shown) and iOS requirement (12.0 vs 16.0). On price and device support there is nothing between them.

Both are free to download. Infidelity ER sells 1 in-app purchase, starting at $7.99 per month. Pax asks for nothing beyond the download.

Infidelity ER ships an update every 2 months, Pax daily. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Infidelity ER | Pax |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Daily** |
| Size | 39 MB | 2 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Relationskonsulten Stockholm AB](https://appshunter.io/developer/1486595564) | [Jonas Cahling](https://appshunter.io/developer/1896484759) |

## What reviewers say

### Infidelity ER

[App page](https://appshunter.io/ios/app/infidelity-er/id1486595565)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ER Infidelity subscription | $7.99 | per month |


### Pax

[App page](https://appshunter.io/ios/app/pax/id6792369770)

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

**In-app purchases:** none


## Frequently asked questions

### Is Infidelity ER free?

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

### Is Pax free?

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

### Do Infidelity ER or Pax have ads?

Pax shows ads; Infidelity ER does not.

### Which is updated more often, Infidelity ER or Pax?

Infidelity ER ships an update every 2 months, and Pax daily. Most recently, Infidelity ER was updated on October 15, 2026 and Pax on October 14, 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.*