# DigitalPersona vs Calendar Clock

The clearest difference is price: DigitalPersona at Free against Calendar Clock's $0.99. DigitalPersona also leads on update cadence (every 4 months vs every 41 months) and device support (4 vs 2). On review sentiment, ads and in-app purchases there is nothing between them.

DigitalPersona is free to download; Calendar Clock costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DigitalPersona ships an update every 4 months, Calendar Clock every 41 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | DigitalPersona | Calendar Clock |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.6 (7 ratings)](https://appshunter.io/ios/app/digitalpersona/id1063787218/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 41 months |
| Monetization | **Free** | Paid |
| Size | 38 MB | 4 MB |
| Requires iOS | **13.0** | 26.5 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cross Match Technologies, Inc.](https://appshunter.io/developer/479333188) | [Systemiko Inc.](https://appshunter.io/developer/680630947) |

## What reviewers say

### DigitalPersona

[App page](https://appshunter.io/ios/app/digitalpersona/id1063787218)

This app generates One-Time Passwords (OTPs) for secure authentication using the OATH TOTP standard. It supports time-based OTPs, push notifications, and QR code scanning for easy account setup. Users can manage multiple authentication accounts within the application.

**Highlights:** Time-based OTP generation, Push OTP notifications, QR code scanning for OTP setup, Support for multiple accounts, OATH TOTP standard compliance

**Features:** macOS Compatibility

**In-app purchases:** none


### Calendar Clock

[App page](https://appshunter.io/ios/app/calendar-clock/id1451445740)

This app displays the current year, month, week, and time on a single screen with a clean design. It offers customizable theme colors and functions as a desk clock. The app disables device sleep mode while active.

**Highlights:** All-in-one screen display, Year, month, week, day, hour, minute, second, Switchable theme colors (dark, light, green, blue), Disables device sleep mode, Acts as a desk clock

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DigitalPersona free?

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

### Is Calendar Clock free?

Calendar Clock costs $0.99, with no in-app purchases.

### Do DigitalPersona or Calendar Clock have ads?

Neither DigitalPersona nor Calendar Clock shows ads.

### Which is updated more often, DigitalPersona or Calendar Clock?

DigitalPersona ships an update every 4 months, and Calendar Clock every 41 months. Most recently, DigitalPersona was updated on October 24, 2026 and Calendar Clock on October 24, 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.*