# Checker Mobile Surveyor vs The Source Mobile

The clearest difference is iOS requirement: The Source Mobile at 12.2 against Checker Mobile Surveyor's 15.6. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Checker Mobile Surveyor ships an update every 3 weeks, The Source Mobile every 4 weeks. The most recent releases landed on October 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Checker Mobile Surveyor | The Source Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (7 ratings)](https://appshunter.io/ios/app/the-source-mobile/id6467522920/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 60.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Monetization | — | Free |
| Size | 37 MB | 179 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Mor Alon](https://appshunter.io/developer/878098452) | [TrendSource, Inc.](https://appshunter.io/developer/520270126) |

## What reviewers say

### Checker Mobile Surveyor

[App page](https://appshunter.io/ios/app/checker-mobile-surveyor/id1667814120)

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

**In-app purchases:** none


### The Source Mobile

[App page](https://appshunter.io/ios/app/the-source-mobile/id6467522920)

This app serves as a mobile companion for field agents, enabling them to manage their work on the go. It utilizes smartphone features like GPS and camera for project discovery, data input, and image uploads. The platform offers efficient tools for managing tasks, tracking time, and accessing support.

**Highlights:** View project details and manuals, Map project locations, Input data and save progress, Find projects by location or zip code, Confirm assigned projects, Check in/out of locations for time logging, Upload receipts, Contact support

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

**In-app purchases:** none


## Frequently asked questions

### Is Checker Mobile Surveyor free?

Checker Mobile Surveyor is free to download, with no in-app purchases.

### Is The Source Mobile free?

The Source Mobile is free to download, with no in-app purchases.

### Do Checker Mobile Surveyor or The Source Mobile have ads?

Neither Checker Mobile Surveyor nor The Source Mobile shows ads.

### Which is updated more often, Checker Mobile Surveyor or The Source Mobile?

Checker Mobile Surveyor ships an update every 3 weeks, and The Source Mobile every 4 weeks. Most recently, Checker Mobile Surveyor was updated on October 25, 2026 and The Source Mobile on September 30, 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.*