# OIO Circadian vs Still Point Timer

OIO Circadian and Still Point Timer are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

## The numbers

| Metric | OIO Circadian | Still Point Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.5 (6 ratings)](https://appshunter.io/ios/app/oio-circadian/id6739509200/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | — |
| Monetization | Free | — |
| Size | 105 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 12+ | 4+ |
| Developer | [KORRUS, INC](https://appshunter.io/developer/1639435894) | [Bretton Auerbach](https://appshunter.io/developer/1889307372) |

## What reviewers say

### OIO Circadian

[App page](https://appshunter.io/ios/app/oio-circadian/id6739509200)

This app visualizes your light exposure throughout the day, offering personalized schedules to improve sleep and energy. Control smart lighting scenes and individual rooms for whole-home wellness lighting.

**Highlights:** Spectral Display for light wavelengths, Personalized circadian lighting schedules, Instant smart lighting scene control, Individual room lighting adjustment, Whole-home lighting management, Easy bulb setup and room grouping

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

**In-app purchases:** none


### Still Point Timer

[App page](https://appshunter.io/ios/app/still-point-timer/id6761392660)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OIO Circadian free?

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

### Is Still Point Timer free?

Still Point Timer is free to download, with no in-app purchases.

### Do OIO Circadian or Still Point Timer have ads?

Neither OIO Circadian nor Still Point Timer shows ads.

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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.*