# Spark Water vs Technician | AquaCertify.com

The clearest difference is update cadence: Technician | AquaCertify.com at monthly against Spark Water's every 5 months. Spark Water's advantage is iOS requirement (10.1 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Spark Water ships an update every 5 months, Technician | AquaCertify.com monthly. The most recent releases landed on June 1, 2026 and December 21, 2025 respectively.

## The numbers

| Metric | Spark Water | Technician | AquaCertify.com |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.0 (2 ratings)](https://appshunter.io/ios/app/spark-water/id1209817279/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Monthly** |
| Monetization | Free | — |
| Size | 49 MB | 26 MB |
| Requires iOS | **10.1** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Spark Diagnostics LLC](https://appshunter.io/developer/1197766868) | [Consoli Tech](https://appshunter.io/developer/1657768164) |

## What reviewers say

### Spark Water

[App page](https://appshunter.io/ios/app/spark-water/id1209817279)

This app automatically reads water test strips using your smartphone camera, providing immediate and accurate results for pool and spa water chemistry. It helps you monitor trends and interpret results easily, ensuring optimal water balance without complex visual charts.

**Highlights:** Automatic test strip reading via camera, Immediate and accurate results, Trend monitoring with historical data, Simple color-coded result interpretation, Supports pool and spa water parameters

**Features:** macOS Compatibility

**In-app purchases:** none


### Technician | AquaCertify.com

[App page](https://appshunter.io/ios/app/technician-aquacertifycom/id1553483969)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Spark Water free?

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

### Is Technician | AquaCertify.com free?

Technician | AquaCertify.com is free to download, with no in-app purchases.

### Do Spark Water or Technician | AquaCertify.com have ads?

Neither Spark Water nor Technician | AquaCertify.com shows ads.

### Which is updated more often, Spark Water or Technician | AquaCertify.com?

Spark Water ships an update every 5 months, and Technician | AquaCertify.com monthly. Most recently, Spark Water was updated on June 1, 2026 and Technician | AquaCertify.com on December 21, 2025.

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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.*