# OTP vs 物料计量管控

The clearest difference is in-app purchases: 物料计量管控 at none against OTP's 1. OTP's advantage is iOS requirement (9.3 vs 12.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. OTP sells 1 one-off in-app purchase. 物料计量管控 asks for nothing beyond the download.

OTP ships an update every 6 months, 物料计量管控 every 4 months. The most recent releases landed on October 29, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | OTP | 物料计量管控 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (19 ratings)](https://appshunter.io/ios/app/otp-auth/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 4 months** |
| Monetization | Free with in-app purchases | — |
| Size | 28 MB | 30 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [浩 王](https://appshunter.io/developer/1055265396) | [Shanghai Caitong Automation Control Engineering Co., Ltd.](https://appshunter.io/developer/1257488084) |

## 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 |


### 物料计量管控

[App page](https://appshunter.io/ios/app/id1622534487)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OTP free?

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

### Is 物料计量管控 free?

物料计量管控 is free to download, with no in-app purchases.

### Do OTP or 物料计量管控 have ads?

Neither OTP nor 物料计量管控 shows ads.

### Which is updated more often, OTP or 物料计量管控?

OTP ships an update every 6 months, and 物料计量管控 every 4 months. Most recently, OTP was updated on October 29, 2026 and 物料计量管控 on October 27, 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.*