# SOTP Authenticator vs Crew Rest Pro

The clearest difference is price: SOTP Authenticator at Free against Crew Rest Pro's $0.99. SOTP Authenticator also leads on iOS requirement (13.0 vs 15.1). Crew Rest Pro's advantage is in-app purchases (none vs 2) and update cadence (daily vs every 5 months). On ads and device support there is nothing between them.

SOTP Authenticator is free to download; Crew Rest Pro costs $0.99 up front. SOTP Authenticator sells 2 one-off in-app purchases. Crew Rest Pro asks for nothing beyond the download.

SOTP Authenticator ships an update every 5 months, Crew Rest Pro daily. The most recent releases landed on October 3, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | SOTP Authenticator | Crew Rest Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Best chart rank | — | **#182** |
| Size | 20 MB | 43 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Anzhela Baroyan](https://appshunter.io/developer/1526016553) | [billig.ch GmbH](https://appshunter.io/developer/338143848) |

## What reviewers say

### SOTP Authenticator

[App page](https://appshunter.io/ios/app/sotp-authenticator/id1526068202)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One dollar donation | $0.99 | one-time |
| Five dollar donation | $4.99 | one-time |


### Crew Rest Pro

[App page](https://appshunter.io/ios/app/crew-rest-pro/id6760842723)

**Currently charting:** #182 Top Paid · Utilities (US App Store)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SOTP Authenticator free?

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

### Is Crew Rest Pro free?

Crew Rest Pro costs $0.99, with no in-app purchases.

### Do SOTP Authenticator or Crew Rest Pro have ads?

Neither SOTP Authenticator nor Crew Rest Pro shows ads.

### Which is updated more often, SOTP Authenticator or Crew Rest Pro?

SOTP Authenticator ships an update every 5 months, and Crew Rest Pro daily. Most recently, SOTP Authenticator was updated on October 3, 2026 and Crew Rest Pro on October 1, 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.*