# Orenda vs EMK3 Ticketing

The clearest difference is update cadence: EMK3 Ticketing at fortnightly against Orenda's monthly. Orenda's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support 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, EMK3 Ticketing fortnightly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Orenda | EMK3 Ticketing |
| --- | --- | --- |
| 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 | **Fortnightly** |
| Monetization | Free | — |
| Size | 78 MB | 8 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hasa Inc.](https://appshunter.io/developer/1713193810) | [EMK3](https://appshunter.io/developer/1772912142) |

## 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)


### EMK3 Ticketing

[App page](https://appshunter.io/ios/app/emk3-ticketing/id6736656695)

**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 EMK3 Ticketing free?

EMK3 Ticketing is free to download, with no in-app purchases.

### Do Orenda or EMK3 Ticketing have ads?

Neither Orenda nor EMK3 Ticketing shows ads.

### Which is updated more often, Orenda or EMK3 Ticketing?

Orenda ships an update monthly, and EMK3 Ticketing fortnightly. Most recently, Orenda was updated on October 26, 2026 and EMK3 Ticketing on October 27, 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.*