# Seiler vs Trimble Quest

The clearest difference is update cadence: Seiler at every 3 weeks against Trimble Quest's every 5 months. Seiler also leads on iOS requirement (9.0 vs 13.0). 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.

Seiler ships an update every 3 weeks, Trimble Quest every 5 months. The most recent releases landed on October 7, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Seiler | Trimble Quest |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 5 months |
| Size | 81 MB | 10 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TerraGo](https://appshunter.io/developer/894862292) | [Trimble Inc.](https://appshunter.io/developer/322561665) |

## What reviewers say

### Seiler

[App page](https://appshunter.io/ios/app/seiler-field2gis/id1254635478)

**Features:** macOS Compatibility

**In-app purchases:** none


### Trimble Quest

[App page](https://appshunter.io/ios/app/trimble-quest/id1659203021)

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

**In-app purchases:** none


## Frequently asked questions

### Is Seiler free?

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

### Is Trimble Quest free?

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

### Do Seiler or Trimble Quest have ads?

Neither Seiler nor Trimble Quest shows ads.

### Which is updated more often, Seiler or Trimble Quest?

Seiler ships an update every 3 weeks, and Trimble Quest every 5 months. Most recently, Seiler was updated on October 7, 2026 and Trimble Quest on October 2, 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.*