# CTL vs HaloLight

The clearest difference is iOS requirement: CTL at 10.0 against HaloLight's 15.0. 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.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on October 6, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | CTL | HaloLight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Size | 10 MB | 41 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [精豪 薛](https://appshunter.io/developer/1521407500) | [Changsha LeadYou Technology Co., Ltd.](https://appshunter.io/developer/1841186373) |

## What reviewers say

### CTL

[App page](https://appshunter.io/ios/app/ctl-aqua/id1050633439)

**Features:** macOS Compatibility

**In-app purchases:** none


### HaloLight

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

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

**In-app purchases:** none


## Frequently asked questions

### Is CTL free?

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

### Is HaloLight free?

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

### Do CTL or HaloLight have ads?

Neither CTL nor HaloLight shows ads.

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

CTL ships an update every 3 months, and HaloLight every 3 months. Most recently, CTL was updated on October 6, 2026 and HaloLight on October 5, 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.*