# ChlorCast vs Ambient Time

The clearest difference is device support: Ambient Time at 5 against ChlorCast's 2. Ambient Time also leads on iOS requirement (17.0 vs 26.0). 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.

ChlorCast ships an update every 8 days, Ambient Time every 6 days. The most recent releases landed on October 14, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | ChlorCast | Ambient Time |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chlorcast/id6777863208/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 days | **Every 6 days** |
| Monetization | Free | — |
| Size | 6 MB | 25 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Sean OBrien](https://appshunter.io/developer/6777834311) | [LanguageCraft](https://appshunter.io/developer/1029635130) |

## What reviewers say

### ChlorCast

[App page](https://appshunter.io/ios/app/chlorcast/id6777863208)

This app simplifies pool care by logging water tests, providing chemistry guidance, and forecasting chlorine levels. It helps users understand their pool's needs and maintain balanced water with practical, actionable advice.

**Highlights:** Log quick and full chemistry tests, Get chemistry fix recommendations, Forecast chlorine loss with weather data, Track test history and water changes, Manage chemical inventory, Set maintenance reminders

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

**In-app purchases:** none


### Ambient Time

[App page](https://appshunter.io/ios/app/ambient-time/id6778627510)

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ChlorCast free?

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

### Is Ambient Time free?

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

### Do ChlorCast or Ambient Time have ads?

Neither ChlorCast nor Ambient Time shows ads.

### Which is updated more often, ChlorCast or Ambient Time?

ChlorCast ships an update every 8 days, and Ambient Time every 6 days. Most recently, ChlorCast was updated on October 14, 2026 and Ambient Time on October 3, 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.*