# Pass vs ConvertUS

The clearest difference is review sentiment: ConvertUS at 100% against Pass's 40%. ConvertUS also leads on rating (5.0 vs 3.0) and update cadence (daily vs every 3 months). Pass's advantage is iOS requirement (15.0 vs 26.2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ConvertUS holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews point the same way: 40% of Pass's written reviews are positive against 100% of ConvertUS's.

Pass ships an update every 3 months, ConvertUS daily. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Pass | ConvertUS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/pass-ni-smart-login/id1535753817/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/convertus/id6769595146/reviews)** |
| Number of ratings | 2 | **6** |
| Positive reviews | 40.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Daily** |
| Monetization | Free | Free |
| Size | 14 MB | 17 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [유비앤티스랩](https://appshunter.io/developer/985113810) | [Gondolin LLC](https://appshunter.io/developer/1896671618) |

## What reviewers say

### Pass

[App page](https://appshunter.io/ios/app/pass-ni-smart-login/id1535753817)

This app provides a secure and convenient way to authenticate users through biometric verification or one-time passwords. It simplifies the login process for various services after an initial registration.

**Highlights:** Biometric authentication, One-time password (OTP) verification, QR code scanning for registration, Secure login for registered services, PIN setup, Push notification alerts

**Features:** macOS Compatibility

**In-app purchases:** none


### ConvertUS

[App page](https://appshunter.io/ios/app/convertus/id6769595146)

This utility app offers instant unit conversions with a unique retro terminal interface. It supports a wide range of measurement types and includes customizable themes. The app works offline and integrates with device shortcuts for quick access.

**Highlights:** Instant unit conversions, Wide range of measurement types, Retro terminal aesthetic, Multiple customizable themes, Offline functionality, Spotlight and Siri shortcuts

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pass free?

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

### Is ConvertUS free?

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

### Which has better reviews, Pass or ConvertUS?

ConvertUS is rated higher. Pass averages 3.0 out of 5 from 2 ratings, while ConvertUS averages 5.0 from 6 ratings.

### Do Pass or ConvertUS have ads?

Neither Pass nor ConvertUS shows ads.

### Which is updated more often, Pass or ConvertUS?

Pass ships an update every 3 months, and ConvertUS daily. Most recently, Pass was updated on November 3, 2026 and ConvertUS on October 31, 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.*