# iopool vs Washr.co

The clearest difference is update cadence: iopool at every 2 weeks against Washr.co's every 10 months. iopool also leads on device support. On price, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

iopool ships an update every 2 weeks, Washr.co every 10 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | iopool | Washr.co |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (95 ratings)](https://appshunter.io/ios/app/iopool/id1449698927/reviews)** | — |
| Number of ratings | **95** | — |
| Positive reviews | 60.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | — |
| Update frequency | **Every 2 weeks** | Every 10 months |
| Monetization | Ad-supported | — |
| Size | 78 MB | 82 MB |
| Requires iOS | **15.1** | 15.5.0 |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 4+ |
| Developer | [Iopool](https://appshunter.io/developer/1449698926) | [Tan-invest](https://appshunter.io/developer/1741682855) |

## What reviewers say

### iopool

[App page](https://appshunter.io/ios/app/iopool/id1449698927)

This app helps pool owners manage their water treatment with continuous analysis from a smart probe. It provides step-by-step guidance for product additions and intelligent recommendations for maintenance, eliminating the need for manual inventory checks.

**Highlights:** Continuous water analysis, Automated product addition notifications, Step-by-step treatment guidance, Intelligent maintenance recommendations, Product inventory and quantity management, Pool health monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Washr.co

[App page](https://appshunter.io/ios/app/washrco/id6498550350)

**In-app purchases:** none


## Frequently asked questions

### Is iopool free?

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

### Is Washr.co free?

Washr.co is free to download, with no in-app purchases.

### Which is updated more often, iopool or Washr.co?

iopool ships an update every 2 weeks, and Washr.co every 10 months. Most recently, iopool was updated on November 2, 2026 and Washr.co on October 30, 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.*