# Orenda vs BlockedTrax

The clearest difference is rating: Orenda at 4.7 against BlockedTrax's 2.6. Orenda also leads on in-app purchases (none vs 1) and review sentiment (82% vs 50%). BlockedTrax's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BlockedTrax sells 1 in-app purchase, starting at $0.99 per month. Orenda asks for nothing beyond the download.

Orenda holds the better App Store score, 4.7 against 2.6. That said, the two scores are not equally well evidenced: Orenda has 478 ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 82% of Orenda's written reviews are positive against 50% of BlockedTrax's.

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 24, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Orenda | BlockedTrax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (478 ratings)](https://appshunter.io/ios/app/orenda/id1171005221/reviews)** | [2.6 (5 ratings)](https://appshunter.io/ios/app/blockedtrax/id6741738522/reviews) |
| Number of ratings | **478** | 5 |
| Positive reviews | **81.8% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Subscription |
| Size | 78 MB | 27 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hasa Inc.](https://appshunter.io/developer/1713193810) | [Austin Glass](https://appshunter.io/developer/1795333765) |

## 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)


### BlockedTrax

[App page](https://appshunter.io/ios/app/blockedtrax/id6741738522)

Receive real-time alerts for train crossings to avoid delays and optimize your travel. This app helps you re-route efficiently, keeping you on schedule. It offers customizable notifications and a user-friendly interface for seamless updates.

**Highlights:** Real-time train crossing alerts, Smart re-routing to avoid delays, Customizable notification settings, User-friendly interface, Reliable detection technology

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $0.99 | per month |


## Frequently asked questions

### Is Orenda free?

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

### Is BlockedTrax free?

BlockedTrax is free to download, with in-app purchases available.

### Which has better reviews, Orenda or BlockedTrax?

Orenda is rated higher. Orenda averages 4.7 out of 5 from 478 ratings, while BlockedTrax averages 2.6 from 5 ratings.

### Do Orenda or BlockedTrax have ads?

Neither Orenda nor BlockedTrax shows ads.

### Which is updated more often, Orenda or BlockedTrax?

Orenda ships an update monthly, and BlockedTrax monthly. Most recently, Orenda was updated on October 24, 2026 and BlockedTrax on October 17, 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.*