# TimeFiler Clock vs HVAC Toolkit Lite

The clearest difference is update cadence: HVAC Toolkit Lite at every 11 days against TimeFiler Clock's every 2 months. HVAC Toolkit Lite also leads on device support (3 vs 1) and iOS requirement (12.0 vs 15.0). On price, ads and in-app purchases there is nothing between them.

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

TimeFiler Clock ships an update every 2 months, HVAC Toolkit Lite every 11 days. The most recent releases landed on September 5, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | TimeFiler Clock | HVAC Toolkit Lite |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hvac-toolkit-lite/id1628371325/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 11 days** |
| Monetization | — | Free |
| Size | 69 MB | 61 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TimeFiler](https://appshunter.io/developer/719788031) | [Mohamad Jaber](https://appshunter.io/developer/1623246777) |

## What reviewers say

### TimeFiler Clock

[App page](https://appshunter.io/ios/app/timefiler-clock/id1203569866)

**Features:** macOS Compatibility

**In-app purchases:** none


### HVAC Toolkit Lite

[App page](https://appshunter.io/ios/app/hvac-toolkit-lite/id1628371325)

This tool assists HVAC engineers with design checks and quick calculations. It offers various tools for ducting friction loss, pipe sizing, ventilation, and heat load estimations, providing instructions and formulas for each calculation.

**Highlights:** Friction loss calculation, Pipe sizing, Ventilation calculations, Heat load estimation, Pump head calculation, Fan ESP calculation, Metric/Imperial units, English/Arabic language support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TimeFiler Clock free?

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

### Is HVAC Toolkit Lite free?

HVAC Toolkit Lite is free to download, with no in-app purchases.

### Do TimeFiler Clock or HVAC Toolkit Lite have ads?

Neither TimeFiler Clock nor HVAC Toolkit Lite shows ads.

### Which is updated more often, TimeFiler Clock or HVAC Toolkit Lite?

TimeFiler Clock ships an update every 2 months, and HVAC Toolkit Lite every 11 days. Most recently, TimeFiler Clock was updated on September 5, 2026 and HVAC Toolkit Lite on September 11, 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.*