# Smart Splash vs OP Catalog

Smart Splash and OP Catalog are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Smart Splash ships an update every 10 days, OP Catalog every 5 days. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Smart Splash | OP Catalog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.2 (6 ratings)](https://appshunter.io/ios/app/smart-splash/id6740719130/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 5 days** |
| Monetization | Free | — |
| Size | 42 MB | 41 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [STRIKEFORCE PROTECTION SYSTEMS PTY LTD](https://appshunter.io/developer/1497054948) | [Empire Extremity](https://appshunter.io/developer/1896718697) |

## What reviewers say

### Smart Splash

[App page](https://appshunter.io/ios/app/smart-splash/id6740719130)

This app simplifies pool and hot tub water balancing. Simply photograph your test results and receive clear, actionable instructions for adjusting water chemistry.

**Highlights:** Photo-based test result analysis, Automated water chemistry adjustments, Clear instruction generation, Pool and hot tub maintenance, Effortless water balancing

**Features:** macOS Compatibility

**In-app purchases:** none


### OP Catalog

[App page](https://appshunter.io/ios/app/op-catalog/id6770173019)

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Splash free?

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

### Is OP Catalog free?

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

### Do Smart Splash or OP Catalog have ads?

Neither Smart Splash nor OP Catalog shows ads.

### Which is updated more often, Smart Splash or OP Catalog?

Smart Splash ships an update every 10 days, and OP Catalog every 5 days. Most recently, Smart Splash was updated on October 6, 2026 and OP Catalog on October 8, 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.*