# Yello Pro vs Otpkey Authenticator

The clearest difference is rating: Yello Pro at 3.6 against Otpkey Authenticator's 1.0. Yello Pro also leads on review sentiment (80% vs 50%) and ratings volume (39 vs 2). Otpkey Authenticator's advantage is device support (5 vs 3) and iOS requirement (13.0 vs 15.6). 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.

Yello Pro holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: Yello Pro has 39 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 80% of Yello Pro's written reviews are positive against 50% of Otpkey Authenticator's.

Yello Pro ships an update every 3 weeks, Otpkey Authenticator every 2 months. The most recent releases landed on October 1, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Yello Pro | Otpkey Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (39 ratings)](https://appshunter.io/ios/app/yello-pro/id1140964557/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/otpkey-authenticator/id6444123920/reviews) |
| Number of ratings | **39** | 2 |
| Positive reviews | **80.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 34 MB | 22 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [RECSOLU, INC](https://appshunter.io/developer/449953341) | [Certchip Corp](https://appshunter.io/developer/1652474819) |

## What reviewers say

### Yello Pro

[App page](https://appshunter.io/ios/app/yello-pro/id1140964557)

This app provides recruiters and professionals with tools to manage their agenda, collect candidate data, conduct evaluations, and schedule interviews. It's designed for on-the-go use, allowing for efficient management of recruitment activities from a mobile device.

**Highlights:** Agenda management, Candidate data collection, Evaluation completion, On-site interview scheduling, External communication tools

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

**In-app purchases:** none


### Otpkey Authenticator

[App page](https://appshunter.io/ios/app/otpkey-authenticator/id6444123920)

Enhance your online security with multi-factor authentication. This app generates one-time passwords for various services, even offline, and supports standard TOTP/HOTP protocols. It offers features like QR code scanning, auto-hiding codes, and biometric authentication.

**Highlights:** Multi-factor authentication, Offline OTP generation, QR code scanning and export, Biometric authentication support, Clipboard code copying, Widget and Watch App support

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

**In-app purchases:** none


## Frequently asked questions

### Is Yello Pro free?

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

### Is Otpkey Authenticator free?

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

### Which has better reviews, Yello Pro or Otpkey Authenticator?

Yello Pro is rated higher. Yello Pro averages 3.6 out of 5 from 39 ratings, while Otpkey Authenticator averages 1.0 from 2 ratings.

### Do Yello Pro or Otpkey Authenticator have ads?

Neither Yello Pro nor Otpkey Authenticator shows ads.

### Which is updated more often, Yello Pro or Otpkey Authenticator?

Yello Pro ships an update every 3 weeks, and Otpkey Authenticator every 2 months. Most recently, Yello Pro was updated on October 1, 2026 and Otpkey Authenticator on October 2, 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.*