# OTP vs Screen tester

The clearest difference is price: OTP at Free against Screen tester's $0.99. OTP also leads on device support (4 vs 2) and iOS requirement (9.3 vs 15.6). Screen tester's advantage is in-app purchases (none vs 1). On ads there is nothing between them.

OTP is free to download; Screen tester costs $0.99 up front. OTP sells 1 one-off in-app purchase. Screen tester asks for nothing beyond the download.

## The numbers

| Metric | OTP | Screen tester |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.6 (18 ratings)](https://appshunter.io/ios/app/otp-auth/id1436497541/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | — |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 6 MB |
| Requires iOS | **9.3** | 15.6 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩 王](https://appshunter.io/developer/1055265396) | [Yunus Gunduz](https://appshunter.io/developer/1694137492) |

## What reviewers say

### OTP

[App page](https://appshunter.io/ios/app/otp-auth/id1436497541)

This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.

**Highlights:** TOTP & HOTP code generation, QR code scanning for setup, Biometric app lock (Face ID/Touch ID), Encrypted data export/import, Account grouping and organization, Dark Mode support, iCloud sync and backup

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTPAuth Premium | $1.99 | one-time |


### Screen tester

[App page](https://appshunter.io/ios/app/screen-tester-pixel-check/id6759452371)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTP free?

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

### Is Screen tester free?

Screen tester costs $0.99, with no in-app purchases.

### Do OTP or Screen tester have ads?

Neither OTP nor Screen tester shows ads.

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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.*