# ETC Library vs FieldMeasurePro

The clearest difference is rating: FieldMeasurePro at 5.0 against ETC Library's 3.8. FieldMeasurePro also leads on update cadence (every 2 weeks vs every 3 months). ETC Library's advantage is ratings volume (4 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

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

FieldMeasurePro holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

ETC Library ships an update every 3 months, FieldMeasurePro every 2 weeks. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | ETC Library | FieldMeasurePro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/etc-library/id733300518/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fieldmeasurepro/id6778903792/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Size | 68 MB | 30 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Electronic Theatre Controls, Inc.](https://appshunter.io/developer/318210459) | [Luis Tosado](https://appshunter.io/developer/6778903794) |

## What reviewers say

### ETC Library

[App page](https://appshunter.io/ios/app/etc-library/id733300518)

Access technical documentation for a wide range of products. Browse and share datasheets, application sheets, and brochures organized by product family. This virtual binder provides quick access to essential product information.

**Highlights:** Access to hundreds of technical documents, Organized by product family and category, View datasheets, application sheets, and brochures, Easy document sharing, Offline access to downloaded documents

**Features:** Vision Pro support

**In-app purchases:** none


### FieldMeasurePro

[App page](https://appshunter.io/ios/app/fieldmeasurepro/id6778903792)

Quickly measure job sites and create priced estimates directly from your device, even without an internet connection. Capture room dimensions, build estimates, and add photos to generate shareable PDF reports.

**Highlights:** Offline job site measurement, On-site estimate building, Customizable pricebook, Room sketching, Photo attachment, PDF estimate export

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

**In-app purchases:** none


## Frequently asked questions

### Is ETC Library free?

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

### Is FieldMeasurePro free?

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

### Which has better reviews, ETC Library or FieldMeasurePro?

FieldMeasurePro is rated higher. ETC Library averages 3.8 out of 5 from 4 ratings, while FieldMeasurePro averages 5.0 from 1 ratings.

### Do ETC Library or FieldMeasurePro have ads?

Neither ETC Library nor FieldMeasurePro shows ads.

### Which is updated more often, ETC Library or FieldMeasurePro?

ETC Library ships an update every 3 months, and FieldMeasurePro every 2 weeks. Most recently, ETC Library was updated on October 24, 2026 and FieldMeasurePro on October 10, 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.*