# OTP vs LightWAN Authenticator

The clearest difference is rating: OTP at 3.6 against LightWAN Authenticator's 1.0. OTP also leads on ratings volume (18 vs 1) and device support (4 vs 2). LightWAN Authenticator's advantage is in-app purchases (none vs 1) and update cadence (every 3 days vs every 6 months). On price, ads and iOS requirement there is nothing between them.

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

OTP holds the better App Store score, 3.6 against 1.0. That said, the two scores are not equally well evidenced: OTP has 18 ratings behind it against 1, so its average is the more settled of the two.

OTP ships an update every 6 months, LightWAN Authenticator every 3 days. The most recent releases landed on September 29, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | OTP | LightWAN Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (18 ratings)](https://appshunter.io/ios/app/otp-auth/id1436497541/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/lightwan-authenticator/id6443486875/reviews) |
| Number of ratings | **18** | 1 |
| 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 | 27 MB | 1 MB |
| Requires iOS | **9.3** | 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

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

This app generates secure one-time passwords for two-factor authentication on your device. It supports various protocols, allows easy account setup via QR codes or manual entry, and offers robust security features like biometric locks and encrypted backups.

**Highlights:** TOTP & HOTP code generation, QR code scanning for setup, Biometric app lock (Face ID/Touch ID), Encrypted data export/import, Account grouping and organization, Dark Mode support, iCloud sync and backup

**Features:** macOS Compatibility, Apple Watch app, Vision Pro 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 free?

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

### Is LightWAN Authenticator free?

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

### Which has better reviews, OTP or LightWAN Authenticator?

OTP is rated higher. OTP averages 3.6 out of 5 from 18 ratings, while LightWAN Authenticator averages 1.0 from 1 ratings.

### Do OTP or LightWAN Authenticator have ads?

Neither OTP nor LightWAN Authenticator shows ads.

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

OTP ships an update every 6 months, and LightWAN Authenticator every 3 days. Most recently, OTP was updated on September 29, 2026 and LightWAN Authenticator on October 3, 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.*