# EMSL Analytical vs Solar Spek

The clearest difference is rating: Solar Spek at 5.0 against EMSL Analytical's 3.3. Solar Spek also leads on update cadence (fortnightly vs every 3 months). EMSL Analytical's advantage is in-app purchases (none vs 6) and ratings volume (8 vs 2). On price, ads and device support there is nothing between them.

Both are free to download. Solar Spek sells 6 in-app purchases, starting at $9.99 per month. EMSL Analytical asks for nothing beyond the download.

Solar Spek holds the better App Store score, 5.0 against 3.3. Both are backed by a comparable volume of ratings — 8 and 2 respectively.

EMSL Analytical ships an update every 3 months, Solar Spek fortnightly. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | EMSL Analytical | Solar Spek |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.3 (8 ratings)](https://appshunter.io/ios/app/emsl-analytical/id1434079747/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/solar-spek/id6761561453/reviews)** |
| Number of ratings | **8** | 2 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 54 MB | 56 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ERBLUE, INC.](https://appshunter.io/developer/376406769) | [Solar Spek LLC](https://appshunter.io/developer/1862217978) |

## 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


### Solar Spek

[App page](https://appshunter.io/ios/app/solar-spek/id6761561453)

Streamline residential solar inspections with this field tool. It guides users through data and photo capture, with licensed professionals generating detailed client reports.

**Highlights:** Guided data and photo capture, Professional report generation, Expert review by licensed professionals, Simplifies complex solar evaluations, Client-ready inspection documents

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $9.99 | per month |
| Pro Monthly | $19.99 | per month |
| Enterprise Monthly | $69.99 | per month |
| Basic Annual | $115.99 | per year |
| Pro Annual | $219.99 | per year |
| Enterprise Annual | $709.99 | per year |


## Frequently asked questions

### Is EMSL Analytical free?

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

### Is Solar Spek free?

Solar Spek is free to download, with in-app purchases available.

### Which has better reviews, EMSL Analytical or Solar Spek?

Solar Spek is rated higher. EMSL Analytical averages 3.3 out of 5 from 8 ratings, while Solar Spek averages 5.0 from 2 ratings.

### Do EMSL Analytical or Solar Spek have ads?

Neither EMSL Analytical nor Solar Spek shows ads.

### Which is updated more often, EMSL Analytical or Solar Spek?

EMSL Analytical ships an update every 3 months, and Solar Spek fortnightly. Most recently, EMSL Analytical was updated on October 24, 2026 and Solar Spek on October 18, 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.*