# NESS Programmer vs Directional Survey Methods

The clearest difference is update cadence: NESS Programmer at every 21 months against Directional Survey Methods's every 50 months. Directional Survey Methods's advantage is iOS requirement (12.0 vs 15.6). 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.

NESS Programmer ships an update every 21 months, Directional Survey Methods every 50 months. The most recent releases landed on September 10, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | NESS Programmer | Directional Survey Methods |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 21 months** | Every 50 months |
| Size | 1 MB | 7 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Iain Simpson](https://appshunter.io/developer/931621093) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### NESS Programmer

[App page](https://appshunter.io/ios/app/ness-programmer/id1110819438)

**In-app purchases:** none


### Directional Survey Methods

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

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

**In-app purchases:** none


## Frequently asked questions

### Is NESS Programmer free?

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

### Is Directional Survey Methods free?

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

### Do NESS Programmer or Directional Survey Methods have ads?

Neither NESS Programmer nor Directional Survey Methods shows ads.

### Which is updated more often, NESS Programmer or Directional Survey Methods?

NESS Programmer ships an update every 21 months, and Directional Survey Methods every 50 months. Most recently, NESS Programmer was updated on September 10, 2026 and Directional Survey Methods 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.*