# ELS Customer vs Pool Watcher

The clearest difference is in-app purchases: ELS Customer at none against Pool Watcher's 1. ELS Customer also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). Pool Watcher's advantage is update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Pool Watcher sells 1 one-off in-app purchase. ELS Customer asks for nothing beyond the download.

ELS Customer ships an update every 2 months, Pool Watcher weekly. The most recent releases landed on September 9, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | ELS Customer | Pool Watcher |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Size | 41 MB | 45 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [KODER D.O.O.E.L](https://appshunter.io/developer/1796849881) | [Carlos Guaranda](https://appshunter.io/developer/1845709359) |

## What reviewers say

### ELS Customer

[App page](https://appshunter.io/ios/app/els-customer/id6742109725)

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

**In-app purchases:** none


### Pool Watcher

[App page](https://appshunter.io/ios/app/pool-watcher/id6753924382)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $49.99 | one-time |


## Frequently asked questions

### Is ELS Customer free?

ELS Customer is free to download, with no in-app purchases.

### Is Pool Watcher free?

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

### Do ELS Customer or Pool Watcher have ads?

Pool Watcher shows ads; ELS Customer does not.

### Which is updated more often, ELS Customer or Pool Watcher?

ELS Customer ships an update every 2 months, and Pool Watcher weekly. Most recently, ELS Customer was updated on September 9, 2026 and Pool Watcher on August 16, 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.*