# CSL My Base vs Surveyor2

The clearest difference is iOS requirement: CSL My Base at 13.0 against Surveyor2's 17.6. 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.

CSL My Base ships an update monthly, Surveyor2 every 2 months. The most recent releases landed on October 20, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | CSL My Base | Surveyor2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | Free | — |
| Size | 38 MB | 47 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CSL DualCom](https://appshunter.io/developer/996930372) | [C-TEC (Computionics)](https://appshunter.io/developer/1438867713) |

## What reviewers say

### CSL My Base

[App page](https://appshunter.io/ios/app/csl-my-base/id1479184708)

This app assists installers in setting up and maintaining DualCom Pro devices. It helps quickly identify issues and provides proactive customer support. Compatible with DigiAir Pro and GradeShift Pro variants, it allows installers to manage their signaling base.

**Highlights:** Install and Service Wizard, Quick issue identification, Proactive customer support, Supports DualCom Pro devices, Manages signaling base

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

**In-app purchases:** none


### Surveyor2

[App page](https://appshunter.io/ios/app/surveyor2/id1669032008)

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

**In-app purchases:** none


## Frequently asked questions

### Is CSL My Base free?

CSL My Base is free to download, with no in-app purchases.

### Is Surveyor2 free?

Surveyor2 is free to download, with no in-app purchases.

### Do CSL My Base or Surveyor2 have ads?

Neither CSL My Base nor Surveyor2 shows ads.

### Which is updated more often, CSL My Base or Surveyor2?

CSL My Base ships an update monthly, and Surveyor2 every 2 months. Most recently, CSL My Base was updated on October 20, 2026 and Surveyor2 on October 16, 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.*