# Obkio vs Pooldash

The clearest difference is price: Obkio at Free against Pooldash's $19.99. Pooldash's advantage is update cadence (fortnightly vs every 6 weeks) and iOS requirement (11.0 vs 15.0). On ads, in-app purchases and device support there is nothing between them.

Obkio is free to download; Pooldash costs $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Obkio ships an update every 6 weeks, Pooldash fortnightly. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Obkio | Pooldash |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | — | **[4.6 (11 ratings)](https://appshunter.io/ios/app/pooldash/id1505607801/reviews)** |
| Number of ratings | — | **11** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | — | Paid |
| Size | 61 MB | 17 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Obkio inc.](https://appshunter.io/developer/1351109853) | [Gazzini Ventures](https://appshunter.io/developer/1503581197) |

## What reviewers say

### Obkio

[App page](https://appshunter.io/ios/app/obkio/id1351924056)

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

**In-app purchases:** none


### Pooldash

[App page](https://appshunter.io/ios/app/pooldash/id1505607801)

This app helps pool professionals and beginners calculate and manage pool water chemistry. It provides precise chemical adjustments based on your test kit readings and allows for custom formula sharing. Supports various pool types and offers flexible unit conversions.

**Highlights:** Chemical reading input, Precise chemical adjustment calculations, Custom formula sharing system, Adjustable chlorine, bromine, salt, pH, alkalinity, hardness, and cyanuric acid, Flexible unit conversions (pounds, ounces, grams, liters, gallons, scoops), Support for various pool types (chlorine, salt, bromine), Save, email, and export water chemistry history

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

**In-app purchases:** none


## Frequently asked questions

### Is Obkio free?

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

### Is Pooldash free?

Pooldash costs $19.99, with no in-app purchases.

### Do Obkio or Pooldash have ads?

Neither Obkio nor Pooldash shows ads.

### Which is updated more often, Obkio or Pooldash?

Obkio ships an update every 6 weeks, and Pooldash fortnightly. Most recently, Obkio was updated on October 10, 2026 and Pooldash on October 24, 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.*