# 天科云 vs Multifactor authentication mfa

The clearest difference is in-app purchases: 天科云 at none against Multifactor authentication mfa's 3. 天科云 also leads on iOS requirement (14.0 vs 17.0). Multifactor authentication mfa's advantage is update cadence (every 6 days vs every 6 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Multifactor authentication mfa sells 3 in-app purchases, starting at $4.99 per 7 days. 天科云 asks for nothing beyond the download.

天科云 ships an update every 6 weeks, Multifactor authentication mfa every 6 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | 天科云 | Multifactor authentication mfa |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Monetization | — | Free with in-app purchases |
| Size | 171 MB | 37 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tianjin TianFang Science and Technology Development Co.,Ltd.](https://appshunter.io/developer/917218993) | [Aleksandr Nesterov](https://appshunter.io/developer/1404263700) |

## What reviewers say

### 天科云

[App page](https://appshunter.io/ios/app/id1081741467)

**Features:** Vision Pro support

**In-app purchases:** none


### Multifactor authentication mfa

[App page](https://appshunter.io/ios/app/multifactor-authentication-mfa/id6752320298)

This app generates one-time verification codes to secure your online accounts. It supports thousands of services and offers quick setup and offline access. Protect your digital life with an extra layer of security.

**Highlights:** Time-based One-Time Passwords (TOTP), Works with thousands of services, Quick setup via QR codes or manual entry, Offline code generation, Secure by design, data stays on device, Clean and intuitive interface

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $4.99 | per 7 days |
| Premium | $29.99 | per year |
| Premium | $49.99 | one-time |


## Frequently asked questions

### Is 天科云 free?

天科云 is free to download, with no in-app purchases.

### Is Multifactor authentication mfa free?

Multifactor authentication mfa is free to download, with in-app purchases available.

### Do 天科云 or Multifactor authentication mfa have ads?

Neither 天科云 nor Multifactor authentication mfa shows ads.

### Which is updated more often, 天科云 or Multifactor authentication mfa?

天科云 ships an update every 6 weeks, and Multifactor authentication mfa every 6 days. Most recently, 天科云 was updated on October 7, 2026 and Multifactor authentication mfa on October 7, 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.*