# eFieldDATA vs Spread Rate Calculator

The clearest difference is update cadence: eFieldDATA at monthly against Spread Rate Calculator's every 59 months. Spread Rate Calculator's advantage is iOS requirement (8.0 vs 15.6). 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.

eFieldDATA ships an update monthly, Spread Rate Calculator every 59 months. The most recent releases landed on June 4, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | eFieldDATA | Spread Rate Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (17 ratings)](https://appshunter.io/ios/app/efielddata/id1315700444/reviews)** | — |
| Number of ratings | **17** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 59 months |
| Monetization | Free | — |
| Size | 59 MB | 211 MB |
| Requires iOS | 15.6 | **8.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Vconnex Services, Inc](https://appshunter.io/developer/1062047457) | [BearCat Mfg](https://appshunter.io/developer/1437293606) |

## What reviewers say

### eFieldDATA

[App page](https://appshunter.io/ios/app/efielddata/id1315700444)

Streamline field data collection and lab management for construction materials testing and geotechnical services. Generate industry-standard reports on the go, ensuring compliance and efficiency.

**Highlights:** On-the-go field data collection, Lab management, Industry standard reporting (ASTM & AASHTO), Construction Materials Testing (CMT), Geotechnical Engineering, Inspection Services

**In-app purchases:** none


### Spread Rate Calculator

[App page](https://appshunter.io/ios/app/spread-rate-calculator/id1437293607)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is eFieldDATA free?

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

### Is Spread Rate Calculator free?

Spread Rate Calculator is free to download, with no in-app purchases.

### Do eFieldDATA or Spread Rate Calculator have ads?

Neither eFieldDATA nor Spread Rate Calculator shows ads.

### Which is updated more often, eFieldDATA or Spread Rate Calculator?

eFieldDATA ships an update monthly, and Spread Rate Calculator every 59 months. Most recently, eFieldDATA was updated on June 4, 2026 and Spread Rate Calculator on September 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.*