Orenda vs Citadel Alumni
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
Read full descriptionHide full description
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.
Citadel Alumni
Connect with fellow graduates and your alma mater. This app facilitates networking and staying updated with your university community. Share experiences and maintain lifelong connections.
- Stay connected with alma mater
- Network with classmates and friends
- Share experiences
- Maintain lifelong connections
- Alumni community updates
Read full descriptionHide full description
The app for Alumni of The Citadel to stay connected with their alma mater as well as classmates and friends.
Screenshots
Verdict
The clearest difference is ratings volume: Orenda at 478 against Citadel Alumni's 1. Orenda also leads on iOS requirement (15.0 vs 17.6). Citadel Alumni's advantage is rating (5.0 vs 4.7) and update cadence (every 10 days vs monthly). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
Citadel Alumni holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Orenda has 478 ratings behind it against 1, so its average is the more settled of the two.
Orenda ships an update monthly, Citadel Alumni every 10 days. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.
| Parameter | Orenda | Citadel Alumni |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (478 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 81.8% of reviews | — |
| Number of ratings | 478 — better | 1 |
| Update frequency | Monthly | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 78 MB | 26 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasa Inc. | The Citadel Alumni Association |
Customer experience
Orenda
Citadel Alumni
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)
Citadel Alumni
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Orenda
No in-app purchases
Citadel Alumni
No in-app purchases
Questions
Is Orenda free?
Is Citadel Alumni free?
Which has better reviews, Orenda or Citadel Alumni?
Do Orenda or Citadel Alumni have ads?
Which is updated more often, Orenda or Citadel Alumni?
Other comparisons
