# rRuf vs DK WiFi Survey

The clearest difference is in-app purchases: rRuf at none against DK WiFi Survey's 1. rRuf also leads on iOS requirement (8.0 vs 17.0). DK WiFi Survey's advantage is update cadence (weekly vs every 13 months). On price, ads and device support there is nothing between them.

Both are free to download. DK WiFi Survey sells 1 one-off in-app purchase. rRuf asks for nothing beyond the download.

rRuf ships an update every 13 months, DK WiFi Survey weekly. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | rRuf | DK WiFi Survey |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 13 months | **Weekly** |
| Size | 5 MB | 4 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Rival Solutions Inc.](https://appshunter.io/developer/968766793) | [TADAYUKI TOKUDA](https://appshunter.io/developer/6823797947) |

## What reviewers say

### rRuf

[App page](https://appshunter.io/ios/app/rruf/id968766794)

**Features:** macOS Compatibility

**In-app purchases:** none


### DK WiFi Survey

[App page](https://appshunter.io/ios/app/dk-wifi-survey/id6823797945)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DK WiFi Survey Pro | $3.99 | one-time |


## Frequently asked questions

### Is rRuf free?

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

### Is DK WiFi Survey free?

DK WiFi Survey is free to download, with in-app purchases available.

### Do rRuf or DK WiFi Survey have ads?

Neither rRuf nor DK WiFi Survey shows ads.

### Which is updated more often, rRuf or DK WiFi Survey?

rRuf ships an update every 13 months, and DK WiFi Survey weekly. Most recently, rRuf was updated on November 11, 2026 and DK WiFi Survey on October 31, 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.*