# Poolistry vs PiscinApp Pro

The clearest difference is ads: PiscinApp Pro at none against Poolistry's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Poolistry sells 3 in-app purchases, starting at $1.99 per month and PiscinApp Pro sells 12 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Poolistry ships an update weekly, PiscinApp Pro fortnightly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Poolistry | PiscinApp Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (26 ratings)](https://appshunter.io/ios/app/poolistry-pool-calculator/id6748267875/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 48 MB | 19 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yonah Systems](https://appshunter.io/developer/1694042531) | [Piscinapp LTDA](https://appshunter.io/developer/1700985071) |

## What reviewers say

### Poolistry

[App page](https://appshunter.io/ios/app/poolistry-pool-calculator/id6748267875)

This app helps pool owners manage water chemistry and maintenance. It offers smart calculators for chemical adjustments, a comprehensive logging system for tests and tasks, and cloud backup for data synchronization across devices. Keep your pool crystal clear with ease.

**Highlights:** Smart chemical adjustment calculators, Water testing and readings log, Chemical addition tracking, Maintenance task logging, Cloud backup and sync, Expense and notes tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Poolistry - Premium - 1 Month | $1.99 | per month |
| Poolistry - Premium - 1 Year | $9.99 | per year |
| Lifetime Premium Access | $59.99 | one-time |


### PiscinApp Pro

[App page](https://appshunter.io/ios/app/piscinapp-pro/id6755112197)

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

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PiscinApp Pro - Up to 25 pools | $7.99 | per month |
| PiscinApp Pro - Up to 50 pools | $9.99 | per month |
| PiscinApp Pro - Up to 75 pools | $14.99 | per month |
| PiscinApp Pro - Up to 100 pools | $19.99 | per month |
| PiscinApp Pro - Up to 150 pools | $22.99 | per month |
| PiscinApp Pro Monthly | $29.99 | per month |
| PiscinApp Pro yearly - 25 pools | $79.99 | per year |
| PiscinApp Pro yearly - 50 pools | $129.99 | per year |
| PiscinApp Pro yearly - 75 pools | $179.99 | per year |
| PiscinApp Pro yearly - 100 pools | $199.99 | per year |
| PiscinApp Pro yearly - 150 pools | $249.99 | per year |
| PiscinApp Pro Yearly | $249.99 | per year |


## Frequently asked questions

### Is Poolistry free?

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

### Is PiscinApp Pro free?

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

### Do Poolistry or PiscinApp Pro have ads?

Poolistry shows ads; PiscinApp Pro does not.

### Which is updated more often, Poolistry or PiscinApp Pro?

Poolistry ships an update weekly, and PiscinApp Pro fortnightly. Most recently, Poolistry was updated on October 30, 2026 and PiscinApp Pro on October 25, 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.*