# Mobile OTP Authenticator vs Sylva Deer Manager

The clearest difference is update cadence: Sylva Deer Manager at weekly against Mobile OTP Authenticator's every 8 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Mobile OTP Authenticator ships an update every 8 months, Sylva Deer Manager weekly. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Mobile OTP Authenticator | Sylva Deer Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.5 (2 ratings)](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Weekly** |
| Monetization | Free | — |
| Size | 2 MB | 69 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Albert Parti](https://appshunter.io/developer/534966701) | [Sylva Deer and Veterinary Services](https://appshunter.io/developer/1872678496) |

## What reviewers say

### Mobile OTP Authenticator

[App page](https://appshunter.io/ios/app/mobile-otp-authenticator/id1451459963)

Securely manage your two-factor authentication codes. Easily add accounts by scanning QR codes or manual entry. Protect your online accounts with industry-standard HOTP and TOTP algorithms.

**Highlights:** QR code scanning for account setup, Manual account entry, Secure data storage in iOS Keychain, Supports HOTP and TOTP algorithms, Works with popular services like Google, Facebook, Amazon

**Features:** Vision Pro support

**In-app purchases:** none


### Sylva Deer Manager

[App page](https://appshunter.io/ios/app/sylva-deer-manager/id6758393734)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mobile OTP Authenticator free?

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

### Is Sylva Deer Manager free?

Sylva Deer Manager is free to download, with no in-app purchases.

### Do Mobile OTP Authenticator or Sylva Deer Manager have ads?

Neither Mobile OTP Authenticator nor Sylva Deer Manager shows ads.

### Which is updated more often, Mobile OTP Authenticator or Sylva Deer Manager?

Mobile OTP Authenticator ships an update every 8 months, and Sylva Deer Manager weekly. Most recently, Mobile OTP Authenticator was updated on November 2, 2026 and Sylva Deer Manager on October 28, 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.*