# EMSL Analytical vs Sprk Pro

The clearest difference is review sentiment: Sprk Pro at 100% against EMSL Analytical's 0%. Sprk Pro also leads on rating (4.0 vs 3.6) and update cadence (every 3 weeks vs every 3 months). EMSL Analytical's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Sprk Pro holds the better App Store score, 4.0 against 3.6. Both are backed by a comparable volume of ratings — 7 and 4 respectively. Written reviews point the same way: 0% of EMSL Analytical's written reviews are positive against 100% of Sprk Pro's.

EMSL Analytical ships an update every 3 months, Sprk Pro every 3 weeks. The most recent releases landed on June 3, 2026 and August 12, 2026 respectively.

## The numbers

| Metric | EMSL Analytical | Sprk Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.6 (7 ratings)](https://appshunter.io/ios/app/emsl-analytical/id1434079747/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/sprk-pro/id6504923692/reviews)** |
| Number of ratings | **7** | 4 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Free | Free |
| Size | 54 MB | 154 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERBLUE, INC.](https://appshunter.io/developer/376406769) | [Spark Certified Inc](https://appshunter.io/developer/1754339833) |

## What reviewers say

### EMSL Analytical

[App page](https://appshunter.io/ios/app/emsl-analytical/id1434079747)

Streamline field data collection for asbestos, lead, and mold inspections. Capture inspection details, create electronic chain of custody forms, reserve lab capacity, and generate shipping labels. Automatically integrate lab analysis reports with project data for customized client reports.

**Highlights:** Collect inspection field data, Create electronic chain of custody, Reserve lab capacity, Generate overnight shipping labels, Integrate lab analysis reports, Customize client reports

**Features:** macOS Compatibility

**In-app purchases:** none


### Sprk Pro

[App page](https://appshunter.io/ios/app/sprk-pro/id6504923692)

This app helps maximize the value of solar-powered homes by assessing energy efficiency and property value. It provides custom reports on solar performance, longevity, and savings opportunities. Stay informed and protect investments.

**Highlights:** Assess energy efficiency, Understand property value, Discover savings opportunities, Generate custom solar reports, Analyze solar performance, Track solar longevity

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

**In-app purchases:** none


## Frequently asked questions

### Is EMSL Analytical free?

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

### Is Sprk Pro free?

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

### Which has better reviews, EMSL Analytical or Sprk Pro?

Sprk Pro is rated higher. EMSL Analytical averages 3.6 out of 5 from 7 ratings, while Sprk Pro averages 4.0 from 4 ratings.

### Do EMSL Analytical or Sprk Pro have ads?

Neither EMSL Analytical nor Sprk Pro shows ads.

### Which is updated more often, EMSL Analytical or Sprk Pro?

EMSL Analytical ships an update every 3 months, and Sprk Pro every 3 weeks. Most recently, EMSL Analytical was updated on June 3, 2026 and Sprk Pro on August 12, 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.*