# Digital Alarm vs Date.Time Calculator

The clearest difference is review sentiment: Digital Alarm at 59% against Date.Time Calculator's 0%. Digital Alarm also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (12.1 vs 15.6). Date.Time Calculator's advantage is price ($0.99 vs $4.99). On ads, in-app purchases, monetization model and device support there is nothing between them.

Digital Alarm costs $4.99 and Date.Time Calculator $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Digital Alarm ships an update every 2 months, Date.Time Calculator every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Digital Alarm | Date.Time Calculator |
| --- | --- | --- |
| Price | $4.99 | **$0.99** |
| Rating | **[3.3 (4 ratings)](https://appshunter.io/ios/app/digital-alarm/id976530744/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | **59.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Paid | Paid |
| Size | 12 MB | 1 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Markus Wyss](https://appshunter.io/developer/976530743) | [Noriaki HASHIBA](https://appshunter.io/developer/978336077) |

## What reviewers say

### Digital Alarm

[App page](https://appshunter.io/ios/app/digital-alarm/id976530744)

This all-in-one alarm clock transforms your device into a versatile alarm system. Wake up to your favorite music, radio stations, or custom recordings. It also features a sleep timer to help you drift off peacefully.

**Highlights:** Wake up with custom playlists or radio, Sleep timer with music or radio, Customizable clock appearance, Multiple alarm creation, Background and offline alarm support, Adjustable snooze and alarm volume

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

**In-app purchases:** none


### Date.Time Calculator

[App page](https://appshunter.io/ios/app/datetime-calculator/id978336078)

Calculate date and time differences, intervals, and perform unit conversions with a pure calculator interface. Useful for determining future or past dates, calculating total time for multiple events, and converting between various time units and POSIX time.

**Highlights:** Date and time point calculations, Time interval calculations, Unit conversion of time, POSIX time interconversion, Time zone mutual conversion, Arithmetic operations with time

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

**In-app purchases:** none


## Frequently asked questions

### Is Digital Alarm free?

Digital Alarm costs $4.99, with no in-app purchases.

### Is Date.Time Calculator free?

Date.Time Calculator costs $0.99, with no in-app purchases.

### Do Digital Alarm or Date.Time Calculator have ads?

Neither Digital Alarm nor Date.Time Calculator shows ads.

### Which is updated more often, Digital Alarm or Date.Time Calculator?

Digital Alarm ships an update every 2 months, and Date.Time Calculator every 5 months. Most recently, Digital Alarm was updated on November 1, 2026 and Date.Time Calculator on November 1, 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.*