# Deed Calls vs Trimble Unity

The clearest difference is review sentiment: Deed Calls at 100% against Trimble Unity's 0%. Deed Calls also leads on iOS requirement (9.0 vs 15.0). Trimble Unity's advantage is price (Free vs $14.99) and rating (3.5 vs 1.0). On ads, in-app purchases and device support there is nothing between them.

Trimble Unity is free to download; Deed Calls costs $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Trimble Unity holds the better App Store score, 3.5 against 1.0. That said, the two scores are not equally well evidenced: Trimble Unity has 8 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Deed Calls's written reviews are positive against 0% of Trimble Unity's, so the app with the better star average is not the one people write more warmly about.

Deed Calls ships an update every 7 months, Trimble Unity monthly. The most recent releases landed on September 16, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Deed Calls | Trimble Unity |
| --- | --- | --- |
| Price | $14.99 | **Free** |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/deed-calls-area-perimeter/id534453115/reviews) | **[3.5 (8 ratings)](https://appshunter.io/ios/app/trimble-unity/id1314870413/reviews)** |
| Number of ratings | 1 | **8** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | Paid | **Free** |
| Size | 10 MB | 384 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CORVALLIS MICROTECHNOLOGY, INC.](https://appshunter.io/developer/409254105) | [Trimble Inc.](https://appshunter.io/developer/322561665) |

## What reviewers say

### Deed Calls

[App page](https://appshunter.io/ios/app/deed-calls-area-perimeter/id534453115)

This app converts real property descriptions into boundary maps by allowing users to input angles and distances. It displays key metrics like closure error, area, and perimeter, and can export data as PDF or DCF files. GPS integration is available for specifying the starting point.

**Highlights:** Convert deed calls to boundary maps, Input angles and distances, Display closure error, area, and perimeter, Export as PDF or DCF files, Optional GPS starting point, Built-in help file

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

**In-app purchases:** none


### Trimble Unity

[App page](https://appshunter.io/ios/app/trimble-unity/id1314870413)

This cloud-based suite helps water utilities manage assets and networks. It offers advanced workflows for mapping, performance assessment, and cost reduction, while ensuring public health and safety. The software integrates GIS and GNSS technologies for accurate data collection and reporting.

**Highlights:** Cloud-based collaboration suite, GIS-centric asset management, Mobile data collection, Offline operation, Intelligent data forms, GPS positioning and photo capture

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Deed Calls free?

Deed Calls costs $14.99, with no in-app purchases.

### Is Trimble Unity free?

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

### Which has better reviews, Deed Calls or Trimble Unity?

Trimble Unity is rated higher. Deed Calls averages 1.0 out of 5 from 1 ratings, while Trimble Unity averages 3.5 from 8 ratings.

### Do Deed Calls or Trimble Unity have ads?

Neither Deed Calls nor Trimble Unity shows ads.

### Which is updated more often, Deed Calls or Trimble Unity?

Deed Calls ships an update every 7 months, and Trimble Unity monthly. Most recently, Deed Calls was updated on September 16, 2026 and Trimble Unity on September 20, 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.*