# Clock Talk vs Shield 2FA Authenticator

The clearest difference is update cadence: Shield 2FA Authenticator at every 6 days against Clock Talk's every 3 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Clock Talk sells 9 in-app purchases, starting at $0.99 per month and Shield 2FA Authenticator sells 3 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Clock Talk ships an update every 3 weeks, Shield 2FA Authenticator every 6 days. The most recent releases landed on September 30, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Clock Talk | Shield 2FA Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 43 MB | 12 MB |
| Requires iOS | 18.0 | **17.2** |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [晓飞 何](https://appshunter.io/developer/1129686214) | [冯泰 蔡](https://appshunter.io/developer/1896641064) |

## What reviewers say

### Clock Talk

[App page](https://appshunter.io/ios/app/clock-talk-alarm-and-timer/id6738854636)

**Features:** macOS Compatibility

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly License | $0.99 | per month |
| Quarterly License | $2.49 | per 3 months |
| Semiannually License | $4.90 | per 6 months |
| Annually License | $8.99 | per year |
| 1-Month License | $0.99 | one-time |
| 3-Month License | $2.29 | one-time |
| 6-Month License | $3.99 | one-time |
| 12-Month License | $6.99 | one-time |
| Lifetime License | $14.99 | one-time |


### Shield 2FA Authenticator

[App page](https://appshunter.io/ios/app/shield-2fa-authenticator/id6773809514)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Security - Weekly | $4.99 | per 7 days |
| Pro Security - Monthly | $12.99 | per month |
| Pro Security - Yearly | $39.99 | per year |


## Frequently asked questions

### Is Clock Talk free?

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

### Is Shield 2FA Authenticator free?

Shield 2FA Authenticator is free to download, with in-app purchases available.

### Do Clock Talk or Shield 2FA Authenticator have ads?

Neither Clock Talk nor Shield 2FA Authenticator shows ads.

### Which is updated more often, Clock Talk or Shield 2FA Authenticator?

Clock Talk ships an update every 3 weeks, and Shield 2FA Authenticator every 6 days. Most recently, Clock Talk was updated on September 30, 2026 and Shield 2FA Authenticator on October 10, 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.*