# ND Filter EV vs Wifi Rig CTRL

The clearest difference is price: Wifi Rig CTRL at Free against ND Filter EV's $0.49. Wifi Rig CTRL also leads on update cadence (every 4 days vs every 4 months). ND Filter EV's advantage is iOS requirement (13.0 vs 17.0). On ads, in-app purchases and device support there is nothing between them.

Wifi Rig CTRL is free to download; ND Filter EV costs $0.49 up front. Neither carries in-app purchases, so what you see is what you pay.

ND Filter EV ships an update every 4 months, Wifi Rig CTRL every 4 days. The most recent releases landed on September 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | ND Filter EV | Wifi Rig CTRL |
| --- | --- | --- |
| Price | $0.49 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Size | 0 MB | 6 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stein Erik Nilsen](https://appshunter.io/developer/1737251651) | [JIRO UENO](https://appshunter.io/developer/6788414943) |

## What reviewers say

### ND Filter EV

[App page](https://appshunter.io/ios/app/nd-filter-ev/id6479803711)

**Features:** macOS Compatibility

**In-app purchases:** none


### Wifi Rig CTRL

[App page](https://appshunter.io/ios/app/wifi-rig-ctrl/id6788414941)

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

**In-app purchases:** none


## Frequently asked questions

### Is ND Filter EV free?

ND Filter EV costs $0.49, with no in-app purchases.

### Is Wifi Rig CTRL free?

Wifi Rig CTRL is free to download, with no in-app purchases.

### Do ND Filter EV or Wifi Rig CTRL have ads?

Neither ND Filter EV nor Wifi Rig CTRL shows ads.

### Which is updated more often, ND Filter EV or Wifi Rig CTRL?

ND Filter EV ships an update every 4 months, and Wifi Rig CTRL every 4 days. Most recently, ND Filter EV was updated on September 7, 2026 and Wifi Rig CTRL on September 9, 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.*