# Yubico Authenticator vs Gyroscope+ Level IMU Logger

The clearest difference is ads: Yubico Authenticator at none against Gyroscope+ Level IMU Logger's shown. Gyroscope+ Level IMU Logger's advantage is update cadence (every 5 days vs monthly). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Yubico Authenticator ships an update monthly, Gyroscope+ Level IMU Logger every 5 days. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Yubico Authenticator | Gyroscope+ Level IMU Logger |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (286 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews)** | — |
| Number of ratings | **286** | — |
| Positive reviews | 42.5% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | Free | — |
| Size | 4 MB | 62 MB |
| Requires iOS | **16.0** | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Yubico](https://appshunter.io/developer/586890748) | [Kyu-Hee Jang](https://appshunter.io/developer/1587578867) |

## What reviewers say

### Yubico Authenticator

[App page](https://appshunter.io/ios/app/yubico-authenticator/id1476679808)

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

**Highlights:** Hardware-backed security key storage, Touch or NFC authentication, USB-C support, Biometric unlock (FaceID/TouchID), QR code setup, User presence verification, Smart Card support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well with Yubikey
- 🔒 Secure storage of OATH secrets
- 👍 Simple and easy to use
- 🚀 NFC support added

**What reviewers complain about**

- 🐛 NFC not working on some devices
- 🐛 Clunky UI for password-protected keys
- 🐛 Crashes and freezes reported
- 🐛 Incompatible with some devices (iPad, older iPhones)

**Reported bugs**

- NFC not working reliably
- Accounts disappearing after updates
- Calculation of codes not working
- Keyboard issues when using keys

**Requested features**

- Allow editing and rearranging of entries
- Add support for multiple keys per account
- Improve iPad/tablet support
- Add dark mode option
- Improve QR code scanning


### Gyroscope+ Level IMU Logger

[App page](https://appshunter.io/ios/app/gyroscope-plus-level-imu-logger/id6760181340)

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

**In-app purchases:** none


## Frequently asked questions

### Is Yubico Authenticator free?

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

### Is Gyroscope+ Level IMU Logger free?

Gyroscope+ Level IMU Logger is free to download, with no in-app purchases.

### Do Yubico Authenticator or Gyroscope+ Level IMU Logger have ads?

Gyroscope+ Level IMU Logger shows ads; Yubico Authenticator does not.

### Which is updated more often, Yubico Authenticator or Gyroscope+ Level IMU Logger?

Yubico Authenticator ships an update monthly, and Gyroscope+ Level IMU Logger every 5 days. Most recently, Yubico Authenticator was updated on October 22, 2026 and Gyroscope+ Level IMU Logger on October 7, 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.*