# Poolistry vs PoolChem Tracker

The clearest difference is ads: PoolChem Tracker at none against Poolistry's shown. Poolistry's advantage is rating (4.9 vs 4.5) and ratings volume (22 vs 6). On price, review sentiment, update cadence and in-app purchases there is nothing between them.

Both are free to download. Poolistry sells 3 in-app purchases, starting at $1.99 per month and PoolChem Tracker sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Poolistry holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 22 and 6 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Poolistry | PoolChem Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (22 ratings)](https://appshunter.io/ios/app/poolistry-pool-calculator/id6748267875/reviews)** | [4.5 (6 ratings)](https://appshunter.io/ios/app/poolchem-tracker/id6762652630/reviews) |
| Number of ratings | **22** | 6 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | Freemium |
| Size | 52 MB | 12 MB |
| Requires iOS | **15.0** | 26.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Yonah Systems](https://appshunter.io/developer/1694042531) | [Jeffrey Thompson](https://appshunter.io/developer/1894944456) |

## 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 |


### PoolChem Tracker

[App page](https://appshunter.io/ios/app/poolchem-tracker/id6762652630)

This app provides precise pool chemical dosing recommendations based on your test results and pool size. It calculates a health score for your water and offers a prioritized action list to maintain balance. Works offline with no account required.

**Highlights:** Precise dosing recommendations, Pool Health Score (0-100), Prioritized action list, CYA-adjusted chlorine targets, LSI calculator, Chemical inventory tracking, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PoolChem Pro | $4.99 | one-time |


## Frequently asked questions

### Is Poolistry free?

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

### Is PoolChem Tracker free?

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

### Which has better reviews, Poolistry or PoolChem Tracker?

Poolistry is rated higher. Poolistry averages 4.9 out of 5 from 22 ratings, while PoolChem Tracker averages 4.5 from 6 ratings.

### Do Poolistry or PoolChem Tracker have ads?

Poolistry shows ads; PoolChem Tracker does not.

### Which is updated more often, Poolistry or PoolChem Tracker?

Poolistry ships an update every 5 days, and PoolChem Tracker every 5 days. Most recently, Poolistry was updated on September 9, 2026 and PoolChem Tracker on September 15, 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.*