# DWTools vs Earth Science Systems Surveyor

DWTools and Earth Science Systems Surveyor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

DWTools ships an update every 2 months, Earth Science Systems Surveyor every 3 months. The most recent releases landed on October 23, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | DWTools | Earth Science Systems Surveyor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/dwtools/id680830919/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Free | — |
| Size | 66 MB | 55 MB |
| Requires iOS | **15.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [The Charles Machine Works, Inc](https://appshunter.io/developer/951728998) | [Earth Science Systems, LLC](https://appshunter.io/developer/1721440272) |

## What reviewers say

### DWTools

[App page](https://appshunter.io/ios/app/dwtools/id680830919)

This application offers a collection of tools designed for servicing specific equipment. It requires a separate hardware device for vehicle connectivity. Access to the vehicle's automation bus is provided through this connection.

**Highlights:** Equipment servicing tools, Vehicle automation bus connectivity, Requires DWLink hardware, Designed for DitchWitch equipment

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

**In-app purchases:** none


### Earth Science Systems Surveyor

[App page](https://appshunter.io/ios/app/earth-science-systems-surveyor/id6474365145)

**In-app purchases:** none


## Frequently asked questions

### Is DWTools free?

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

### Is Earth Science Systems Surveyor free?

Earth Science Systems Surveyor is free to download, with no in-app purchases.

### Do DWTools or Earth Science Systems Surveyor have ads?

Neither DWTools nor Earth Science Systems Surveyor shows ads.

### Which is updated more often, DWTools or Earth Science Systems Surveyor?

DWTools ships an update every 2 months, and Earth Science Systems Surveyor every 3 months. Most recently, DWTools was updated on October 23, 2026 and Earth Science Systems Surveyor on September 15, 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.*