# Authenticator Duo vs SpeedCheck UK

The clearest difference is iOS requirement: Authenticator Duo at 15.0 against SpeedCheck UK's 26.2. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Authenticator Duo sells 2 in-app purchases, starting at $6.99 per 7 days and SpeedCheck UK sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Authenticator Duo | SpeedCheck UK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 days | — |
| Monetization | Subscription | — |
| Size | 20 MB | 2 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Quentin Powell](https://appshunter.io/developer/1751779133) | [Adek Studios](https://appshunter.io/developer/1838205722) |

## What reviewers say

### Authenticator Duo

[App page](https://appshunter.io/ios/app/authenticator-duo-two-factor/id6504300892)

Secure your online accounts with this app that generates and stores two-factor authentication codes. It offers end-to-end encryption, Face ID/Touch ID access, and encrypted iCloud backups for easy restoration across devices. Operate securely offline and import existing tokens.

**Highlights:** Generate and store 2FA/MFA tokens, Scan QR codes or manually input codes, End-to-end encryption for all codes, Face ID & Touch ID access, Encrypted iCloud backups, Offline operation, Import existing tokens

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription with trial | $6.99 | per 7 days |
| Weekly subscription | $6.99 | per 7 days |


### SpeedCheck UK

[App page](https://appshunter.io/ios/app/speedcheck-uk/id6757131340)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SpeedCheck UK Pro | $3.99 | one-time |


## Frequently asked questions

### Is Authenticator Duo free?

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

### Is SpeedCheck UK free?

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

### Do Authenticator Duo or SpeedCheck UK have ads?

Neither Authenticator Duo nor SpeedCheck UK 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.*