Orenda vs BlockedTrax
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Orenda
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.
- Chemical dosing calculator
- LSI water balancing
- Pool volume estimator
- User-friendly interface
- Educational videos
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Master pool chemistry with the Orenda pool chemical dosing calculator. Measure pool chemicals accurately while balancing water chemistry according to the LSI. The Orenda App is a swimming pool calculator with a user friendly experience, and makes pool chemistry easier than ever. Try the new pool volume estimator and watch Orenda videos in the app. A pool chemical calculator that allows a novice to dose chemicals as accurately as a professional pool operator.
BlockedTrax
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.
- Real-time train crossing alerts
- Smart re-routing to avoid delays
- Customizable notification settings
- User-friendly interface
- Reliable detection technology
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BlockedTrax provides real-time alerts when a train is detected at key crossings, helping you re-route and stay on time. Whether you're commuting, making deliveries, or just on the go, BlockedTrax keeps you informed and avoiding delays. A paid monthly subscript is required to access the app features and notifications - see below for details. The current list of covered crossings are: Ormond Blvd (South), Destrehan, Louisiana Barton Ave (North), Luling, Louisiana Features: Real-Time Train Alerts – Get notified when a train is blocking a crossing near you. Smart Re-Routing – Plan your route efficiently to avoid unnecessary delays. Customizable Notifications – Choose which crossings to monitor and when you receive alerts. Simple, User-Friendly Interface – Easy-to-use design for quick updates on the go. Reliable Detection Technology – Uses advanced tracking to provide accurate train activity updates. Download BlockedTrax today and take control of your route. Don’t get stopped—avoid the block! BlockedTrax subscription provides you access to all the content of the app. BlockedTrax plans: Monthly: $0.99/Month Payments and Renewal: Payment will be charged to iTunes Account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period. Account will be charged for renewal within 24-hours prior to the end of the current period. You can manage or turn off auto-renew in your Account settings at any time after purchase No cancellation of the current subscription is allowed during the active period. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy policy: http://146.190.174.82/document/term-use/
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Orenda | BlockedTrax |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (478 ratings) — better | 2.6 (5 ratings) |
| Positive reviews | 81.8% of reviews — better | 50.0% of reviews |
| Number of ratings | 478 — better | 5 |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Subscription |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 78 MB | 27 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasa Inc. | Austin Glass |
Customer experience
Orenda
BlockedTrax
Bugs and requests
Orenda
Reported bugs
4 issues- 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
5 requests- 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
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Orenda
No in-app purchases
BlockedTrax
- Premium Monthly$0.991 Month
Questions
Is Orenda free?
Is BlockedTrax free?
Which has better reviews, Orenda or BlockedTrax?
Do Orenda or BlockedTrax have ads?
Which is updated more often, Orenda or BlockedTrax?
Other comparisons
