# OTP Auth vs VDD by D5T5.com

The clearest difference is in-app purchases: VDD by D5T5.com at none against OTP Auth's 1. OTP Auth's advantage is update cadence (every 2 weeks vs every 6 weeks) and device support (4 vs 2). On price, review sentiment and ads there is nothing between them.

Both are free to download. OTP Auth sells 1 one-off in-app purchase. VDD by D5T5.com asks for nothing beyond the download.

OTP Auth ships an update every 2 weeks, VDD by D5T5.com every 6 weeks. The most recent releases landed on July 22, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | OTP Auth | VDD by D5T5.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (463 ratings)](https://appshunter.io/ios/app/otp-auth/id659877384/reviews)** | — |
| Number of ratings | **463** | — |
| Positive reviews | 77.9% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 22 MB | 149 MB |
| Requires iOS | **12.0** | 18.4 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Roland Moers](https://appshunter.io/developer/659877387) | [D5T5 s.r.o.](https://appshunter.io/developer/1427315837) |

## What reviewers say

### OTP Auth

[App page](https://appshunter.io/ios/app/otp-auth/id659877384)

Enhance your account security with two-factor authentication on your iPhone and iPad. This app supports numerous popular services and offers robust encryption for all your data. It works offline and prioritizes user privacy by not collecting or transmitting personal information.

**Highlights:** Two-factor authentication support, Encrypted iCloud Sync, Siri and Apple Watch support, Notification Center widget, Safari extension for password pasting, Face ID/Touch ID security, Encrypted backups and import/export

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OTP Auth Pro | $3.99 | one-time |

**What reviewers like**

- 🚀 Simple and effective
- 🔒 Secure with backup/restore
- 👍 Great Apple Watch support
- 👍 Intuitive and user-friendly
- 👍 Customizable icons and folders

**What reviewers complain about**

- 🐛 Occasional sync and widget issues
- 🐛 Apple Watch app needs improvements
- 🐛 Unreliable backup/restore for some users
- 🐛 Crashes and bugs reported by a few

**Reported bugs**

- Sync issues causing data loss
- Widget not displaying codes correctly
- Crashes on certain iOS versions

**Requested features**

- Larger text/font size options
- Alphabetical sorting of accounts
- Automatic account refresh/update
- Ability to edit account details


### VDD by D5T5.com

[App page](https://appshunter.io/ios/app/vdd-by-d5t5com/id1427315838)

Access comprehensive information about your Volvo vehicle. Remotely control features like the fuel heater and ventilation system, and track your car's location.

**Highlights:** View vehicle information, Activate remote functions, Start fuel heater, Start ventilation, Track car location

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTP Auth free?

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

### Is VDD by D5T5.com free?

VDD by D5T5.com is free to download, with no in-app purchases.

### Do OTP Auth or VDD by D5T5.com have ads?

Neither OTP Auth nor VDD by D5T5.com shows ads.

### Which is updated more often, OTP Auth or VDD by D5T5.com?

OTP Auth ships an update every 2 weeks, and VDD by D5T5.com every 6 weeks. Most recently, OTP Auth was updated on July 22, 2026 and VDD by D5T5.com on September 15, 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.*