# HeyCharge Pre vs Unix TimeStamp

The clearest difference is monetization model: HeyCharge Pre at free against Unix TimeStamp's ad-supported. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for HeyCharge Pre against 5.0 for Unix TimeStamp. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | HeyCharge Pre | Unix TimeStamp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/heycharge-pre-check/id1635040452/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/unix-timestamp/id6737517840/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | **Free** | Ad-supported |
| Size | 52 MB | 4 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [HeyCharge GmbH](https://appshunter.io/developer/1518823583) | [灿耿 陈](https://appshunter.io/developer/1688324562) |

## What reviewers say

### HeyCharge Pre

[App page](https://appshunter.io/ios/app/heycharge-pre-check/id1635040452)

This app helps estimate installation costs for your property by gathering details about your building, parking, and electrical setup. Receive a personalized, free offer for installation, potentially including a wallbox, after completing the assessment.

**Highlights:** Property assessment for installation costs, Building and electrical infrastructure details, Parking garage information, Personalized installation cost offer, Optional wallbox inclusion

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

**In-app purchases:** none


### Unix TimeStamp

[App page](https://appshunter.io/ios/app/unix-timestamp/id6737517840)

This tool simplifies working with Unix timestamps, offering one-click display and copying. It supports switching between second and millisecond precision, bidirectional conversion to human-readable dates, and multi-time zone conversions.

**Highlights:** One-click timestamp display, One-click copy to clipboard, Second and millisecond precision toggle, Bidirectional timestamp to date conversion, Multi-time zone conversion, Manual data copying

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is HeyCharge Pre free?

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

### Is Unix TimeStamp free?

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

### Which has better reviews, HeyCharge Pre or Unix TimeStamp?

HeyCharge Pre and Unix TimeStamp are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do HeyCharge Pre or Unix TimeStamp have ads?

Neither HeyCharge Pre nor Unix TimeStamp shows ads.

### Which is updated more often, HeyCharge Pre or Unix TimeStamp?

HeyCharge Pre ships an update every 6 weeks, and Unix TimeStamp every 6 weeks. Most recently, HeyCharge Pre was updated on October 30, 2026 and Unix TimeStamp on October 31, 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.*