# Directional Survey Methods vs ESB Viewer

The clearest difference is update cadence: ESB Viewer at every 2 months against Directional Survey Methods's every 50 months. Directional Survey Methods's advantage is device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

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

Directional Survey Methods ships an update every 50 months, ESB Viewer every 2 months. Both last shipped on October 1, 2026.

## The numbers

| Metric | Directional Survey Methods | ESB Viewer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 7 MB | 10 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [PT Esensi Solusi Buana](https://appshunter.io/developer/1491430405) |

## What reviewers say

### Directional Survey Methods

[App page](https://appshunter.io/ios/app/directional-survey-methods/id1130800392)

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

**In-app purchases:** none


### ESB Viewer

[App page](https://appshunter.io/ios/app/esb-viewer/id1506705632)

This application allows users to connect to local Point of Sale (POS) systems. It facilitates access to essential sales data directly from your device.

**Highlights:** Connect to local POS, Access sales data, Point of Sale integration, Device connectivity

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Directional Survey Methods free?

Directional Survey Methods is free to download, with no in-app purchases.

### Is ESB Viewer free?

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

### Do Directional Survey Methods or ESB Viewer have ads?

Neither Directional Survey Methods nor ESB Viewer shows ads.

### Which is updated more often, Directional Survey Methods or ESB Viewer?

Directional Survey Methods ships an update every 50 months, and ESB Viewer every 2 months. Most recently, Directional Survey Methods was updated on October 1, 2026 and ESB Viewer on October 1, 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.*