# HaloLight vs LatheCalcPro

The clearest difference is iOS requirement: HaloLight at 15.0 against LatheCalcPro's 17.0. On price, update cadence, 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.

HaloLight ships an update every 3 months, LatheCalcPro every 2 months. The most recent releases landed on October 5, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | HaloLight | LatheCalcPro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Size | 41 MB | 15 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Changsha LeadYou Technology Co., Ltd.](https://appshunter.io/developer/1841186373) | [瑞龙 栗](https://appshunter.io/developer/1882574183) |

## What reviewers say

### HaloLight

[App page](https://appshunter.io/ios/app/halolight/id6752820109)

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

**In-app purchases:** none


### LatheCalcPro

[App page](https://appshunter.io/ios/app/lathecalcpro/id6801366781)

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

**In-app purchases:** none


## Frequently asked questions

### Is HaloLight free?

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

### Is LatheCalcPro free?

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

### Do HaloLight or LatheCalcPro have ads?

Neither HaloLight nor LatheCalcPro shows ads.

### Which is updated more often, HaloLight or LatheCalcPro?

HaloLight ships an update every 3 months, and LatheCalcPro every 2 months. Most recently, HaloLight was updated on October 5, 2026 and LatheCalcPro on October 18, 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.*