# OTP Auth vs LightWAN Authenticator

The clearest difference is in-app purchases: LightWAN Authenticator at none against OTP Auth's 1. LightWAN Authenticator also leads on update cadence (every 3 days vs every 6 months) and iOS requirement (10.0 vs 15.0). OTP Auth's advantage is device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. OTP Auth sells 1 one-off in-app purchase. LightWAN Authenticator asks for nothing beyond the download.

OTP Auth ships an update every 6 months, LightWAN Authenticator every 3 days. The most recent releases landed on November 3, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | OTP Auth | LightWAN Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (19 ratings)](https://appshunter.io/ios/app/otp-auth-authenticator/id1436497541/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 11 MB | 1 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩 王](https://appshunter.io/developer/1055265396) | [Beijing Qingwang Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1499960625) |

## What reviewers say

### OTP Auth

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

Generate and manage two-factor authentication codes offline. Organize accounts with custom groups, search, and widgets. Securely store keys and choose your preferred protection methods.

**Highlights:** Offline code generation, QR code scanning, Custom account groups, Search functionality, Home Screen and Lock Screen widgets, Apple Watch app, Biometric app lock

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

**In-app purchases (1)**

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


### LightWAN Authenticator

[App page](https://appshunter.io/ios/app/lightwan-authenticator/id6443486875)

This app provides a secure and user-friendly method for multifactor authentication (MFA). It generates dynamic, time-based codes for logging into online accounts, adding an extra layer of security beyond passwords. Once configured, it works offline to generate tokens.

**Highlights:** Multifactor authentication (MFA), Generates One-Time Password (OTP) codes, Add accounts via QR code scanning, Supports multiple accounts, Offline token generation, Time-based dynamic token generation

**In-app purchases:** none


## Frequently asked questions

### Is OTP Auth free?

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

### Is LightWAN Authenticator free?

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

### Do OTP Auth or LightWAN Authenticator have ads?

Neither OTP Auth nor LightWAN Authenticator shows ads.

### Which is updated more often, OTP Auth or LightWAN Authenticator?

OTP Auth ships an update every 6 months, and LightWAN Authenticator every 3 days. Most recently, OTP Auth was updated on November 3, 2026 and LightWAN Authenticator on October 20, 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.*