# Date.Time Calculator vs VHF

The clearest difference is price: Date.Time Calculator at $0.99 against VHF's $9.99. VHF's advantage is update cadence (every 4 weeks vs every 5 months) and iOS requirement (12.2 vs 15.6). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

Date.Time Calculator costs $0.99 and VHF $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Date.Time Calculator ships an update every 5 months, VHF every 4 weeks. The most recent releases landed on October 13, 2026 and September 25, 2026 respectively.

## The numbers

| Metric | Date.Time Calculator | VHF |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 101 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Noriaki HASHIBA](https://appshunter.io/developer/978336077) | [Richard Jaquemet](https://appshunter.io/developer/1804398750) |

## What reviewers say

### 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


### VHF

[App page](https://appshunter.io/ios/app/vhf-dsc/id1270639583)

This marine radio simulator allows users to practice sending various distress and routine messages. It supports communication between multiple devices and includes an auto-distress function for emergencies. A help section is available within the app for guidance.

**Highlights:** VHF-DSC radio simulation, Send Mayday, Pan Pan, Security, and Routine messages, Inter-device communication, Auto-distress function, Practice marine radio operator skills, Help section available

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

**In-app purchases:** none


## Frequently asked questions

### Is Date.Time Calculator free?

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

### Is VHF free?

VHF costs $9.99, with no in-app purchases.

### Do Date.Time Calculator or VHF have ads?

Neither Date.Time Calculator nor VHF shows ads.

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

Date.Time Calculator ships an update every 5 months, and VHF every 4 weeks. Most recently, Date.Time Calculator was updated on October 13, 2026 and VHF on September 25, 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.*