# KS Key vs Authenticator for Binance

The clearest difference is in-app purchases: KS Key at none against Authenticator for Binance's 2. KS Key also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.2). On price and ads there is nothing between them.

Both are free to download. Authenticator for Binance sells 2 in-app purchases, starting at $3.99 per 7 days. KS Key asks for nothing beyond the download.

## The numbers

| Metric | KS Key | Authenticator for Binance |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/authenticator-for-binance/id6746622359/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Monetization | — | Freemium |
| Size | 72 MB | 53 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Keysystems](https://appshunter.io/developer/648307797) | [Logan Perez](https://appshunter.io/developer/1817556982) |

## What reviewers say

### KS Key

[App page](https://appshunter.io/ios/app/ks-key/id6737405726)

**Features:** macOS Compatibility

**In-app purchases:** none


### Authenticator for Binance

[App page](https://appshunter.io/ios/app/authenticator-for-binance/id6746622359)

Secure your online accounts with this modern two-factor authentication app. It supports TOTP and encrypts your tokens locally for maximum privacy. Features like cloud backup and multi-device sync are available via a premium subscription.

**Highlights:** Two-factor authentication (2FA), TOTP support, Local token encryption, QR code scanning, Face ID/PIN protection, Cloud backup (premium), Multi-device sync (premium)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 2fa auth app (weekly standart) | $3.99 | per 7 days |
| 2fa auth app (weekly trial) | $3.99 | per 7 days |


## Frequently asked questions

### Is KS Key free?

KS Key is free to download, with no in-app purchases.

### Is Authenticator for Binance free?

Authenticator for Binance is free to download, with in-app purchases available.

### Do KS Key or Authenticator for Binance have ads?

Neither KS Key nor Authenticator for Binance shows ads.

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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.*