# Orenda vs TreeRing Time Kiosk

The clearest difference is update cadence: Orenda at monthly against TreeRing Time Kiosk's every 4 months. Orenda also leads on device support (3 vs 1). TreeRing Time Kiosk's advantage is iOS requirement (13.4 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.

Orenda ships an update monthly, TreeRing Time Kiosk every 4 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Orenda | TreeRing Time Kiosk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (478 ratings)](https://appshunter.io/ios/app/orenda/id1171005221/reviews)** | — |
| Number of ratings | **478** | — |
| Positive reviews | 81.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | Free | — |
| Size | 78 MB | 25 MB |
| Requires iOS | 15.0 | **13.4** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hasa Inc.](https://appshunter.io/developer/1713193810) | [TreeRing Workforce Solutions, Inc](https://appshunter.io/developer/1271644200) |

## What reviewers say

### Orenda

[App page](https://appshunter.io/ios/app/orenda/id1171005221)

This app helps you master pool chemistry by accurately calculating chemical dosages and balancing water based on the LSI. It offers a user-friendly experience for both novices and professionals, including a volume estimator and educational videos.

**Highlights:** Chemical dosing calculator, LSI water balancing, Pool volume estimator, User-friendly interface, Educational videos

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Easy to use
- 💡 Helpful for pool maintenance
- 🚀 Simplifies pool chemistry
- 👍 Provides valuable information
- 👍 Great educational resources

**What reviewers complain about**

- 🐛 Issues with updating desired levels
- 🐛 Metric system not working properly
- 🐛 Difficult to input readings
- 🐛 Lack of history/logging functionality

**Reported bugs**

- Desired levels changing when inputting current values
- Metric system not functioning as expected
- Slider feature for inputting readings is slow and frustrating
- App not optimized for all iPhone screen sizes

**Requested features**

- Ability to save pool volume and desired levels
- Option to log pool history and track trends
- Integration with pool chemical monitors
- Ability to set custom chemical concentrations
- Support for more languages (e.g., Chinese)


### TreeRing Time Kiosk

[App page](https://appshunter.io/ios/app/treering-time-kiosk/id1541024089)

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

**In-app purchases:** none


## Frequently asked questions

### Is Orenda free?

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

### Is TreeRing Time Kiosk free?

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

### Do Orenda or TreeRing Time Kiosk have ads?

Neither Orenda nor TreeRing Time Kiosk shows ads.

### Which is updated more often, Orenda or TreeRing Time Kiosk?

Orenda ships an update monthly, and TreeRing Time Kiosk every 4 months. Most recently, Orenda was updated on November 2, 2026 and TreeRing Time Kiosk on November 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.*