# Piscinapp vs Poolistry

The clearest difference is ads: Piscinapp at none against Poolistry's shown. Poolistry's advantage is update cadence (weekly vs monthly) and review sentiment (100% vs 79%). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Piscinapp sells 2 in-app purchases, starting at $4.99 per month and Poolistry sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Piscinapp ships an update monthly, Poolistry weekly. The most recent releases landed on October 22, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Piscinapp | Poolistry |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (26 ratings)](https://appshunter.io/ios/app/poolistry-pool-calculator/id6748267875/reviews)** |
| Number of ratings | — | **26** |
| Positive reviews | 78.9% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Weekly** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 23 MB | 48 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Piscinapp LTDA](https://appshunter.io/developer/1700985071) | [Yonah Systems](https://appshunter.io/developer/1694042531) |

## What reviewers say

### Piscinapp

[App page](https://appshunter.io/ios/app/piscinapp/id6457546820)

This app helps pool owners maintain clean water by analyzing pool conditions with photos. It provides optimized chemical suggestions based on water parameters, pool characteristics, and available products. Track your pool's maintenance history and ensure a safe, inviting swimming environment.

**Highlights:** AI-powered water analysis via photos, Optimized chemical product suggestions, Database of 375+ chemical products, Automatic measurement of key parameters, Maintenance history tracking, Personalized AI learning for pool characteristics

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PiscinApp Monthly | $4.99 | per month |
| PiscinApp Yearly | $39.99 | per year |


### 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 |


## Frequently asked questions

### Is Piscinapp free?

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

### Is Poolistry free?

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

### Do Piscinapp or Poolistry have ads?

Poolistry shows ads; Piscinapp does not.

### Which is updated more often, Piscinapp or Poolistry?

Piscinapp ships an update monthly, and Poolistry weekly. Most recently, Piscinapp was updated on October 22, 2026 and Poolistry on October 28, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*