# Gridphase vs Narda FieldMan

The clearest difference is iOS requirement: Gridphase at 12.0 against Narda FieldMan's 15.0. 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.

Gridphase ships an update every 3 months, Narda FieldMan every 6 months. The most recent releases landed on September 30, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Gridphase | Narda FieldMan |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 6 months |
| Size | 57 MB | 55 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GRID INSTRUMENTS d.o.o.](https://appshunter.io/developer/1711794018) | [Narda Safety Test Solutions GmbH](https://appshunter.io/developer/1712609558) |

## What reviewers say

### Gridphase

[App page](https://appshunter.io/ios/app/gridphase/id6469338974)

**In-app purchases:** none


### Narda FieldMan

[App page](https://appshunter.io/ios/app/narda-fieldman/id6469765297)

**In-app purchases:** none


## Frequently asked questions

### Is Gridphase free?

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

### Is Narda FieldMan free?

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

### Do Gridphase or Narda FieldMan have ads?

Neither Gridphase nor Narda FieldMan shows ads.

### Which is updated more often, Gridphase or Narda FieldMan?

Gridphase ships an update every 3 months, and Narda FieldMan every 6 months. Most recently, Gridphase was updated on September 30, 2026 and Narda FieldMan on September 28, 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.*