# LSI Pool and Spa Calculator — user reviews

> 14 indexed App Store user reviews of LSI Pool and Spa Calculator by Verosocial Studio, rated 5.00/5 from 1 ratings.

- Source: https://appshunter.io/ios/app/lsi-pool-and-spa-calculator/id373769371/reviews
- App overview in markdown: https://appshunter.io/ios/app/lsi-pool-and-spa-calculator/id373769371.md
- Rating breakdown: 5★ 1 · 4★ 0 · 3★ 0 · 2★ 0 · 1★ 0

## Is LSI Pool and Spa Calculator safe?

Not enough ratings yet to assess LSI Pool and Spa Calculator.

## Is LSI Pool and Spa Calculator legit?

LSI Pool and Spa Calculator appears to be a legitimate app. The AppsHunter Legitimacy Score for LSI Pool and Spa Calculator is 90 out of 100 points across 7 verification signals from App Store and developer data.

## Most critical reviews (10 lowest-rated)

### 1/5 — One off fee payment removed

*2026-06-25*

Paid the one off fee to use the app, accessed a few week, but has now stopped working and ‘restoring’ the purchase does not work either. So can no longer use.

### 1/5 — Interpretation wrong

*2011-10-20*

Results are backwards and don't make sense. A index of -.5 or lesser are corrosive and will pit, but app says this is scaly. A index of .5 or greater should be scale forming, but app says this is corrosive and will pit.  Sometimes app says silly things like "scale forming, but not corrosive," can something be scale forming and corrosive? Are these two things not opposites?  The rest off the app looks good, can you fix this? I will rate this app again when fixed.

### 3/5 — Handy, but needs expansion to include sulfate

*2015-05-27*

Not bad

### 4/5 — Good app

*2013-04-23*

Needs a conductivity input option, then 5 stars

### 4/5 — Good!

*2012-03-17*

This is great!  Please add RSI though!

### 5/5 — Works very well for calculating LSI

*2026-11-03*

It has a record storage feature so I can save sites and look them up when necessary

### 5/5 — Great Calculator with really good record use

*2026-10-29*

It’s good to have the records on the device so that you can pull them up, especially with the other features and the unlimited watch Calculator is nice as well

### 5/5 — Really great app that keeps setting feature features

*2026-10-07*

The new contacts feature is incredible because I can finally organize the pools and spas and what not

### 5/5 — Works great for tracking

*2026-09-10*

The graphing and charting is particularly useful and a great addition to

### 5/5 — Works great

*2026-05-28*

Very pleased with the direction it’s going especially the spreadsheet view so I can look at a lot of records and data at the same time

## Most praised reviews (4 highest-rated)

### 5/5 — Handy for work and testing

*2017-06-09*

Good to have available for record keeping...

New database functionality is very nice, especially with the auto save.

Exporting to spreadsheets format is very helpful.

Sync works great over iCloud

### 5/5 — Great app

*2013-08-12*

Very useful app.

### 5/5 — Best app for LSI

*2013-06-19*

Would like to see a history of values and graph trends with a place for comments about what actions were taken to change LSI.

### 5/5 — Great app

*2012-06-24*

Does what it says.  I use it daily.  Better than working it out on paper!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-11-06.*