WifiRtt vs S4_control
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WifiRtt
This utility measures the bandwidth performance between two Apple devices on the same network. It helps analyze Wi-Fi performance and reliability by setting one device as a measurement terminal and the other as a partner response terminal. Useful for diagnosing network issues.
- Measures bandwidth between two devices
- Analyzes Wi-Fi performance and reliability
- Uses one device as measurement terminal
- Uses another device as partner response terminal
- QR code for easy connection setup
- Supports continuous and single measurement modes
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Measure performance (Bandwidth between 2 devices.) on two Apple devices within the same subnet.(iPhone/iPad/iMac) For example ・Near the WIFI router,but performance is no good.. ・check wifi performance & reliability. Please use app for problem analizing such. usage) One is a measurement terminal. The other is Partner, it is a response terminal. select Measure / Partner at first time. (Partner) This is response device side, the standby state is immediately entered. There is the two-dimensional code with of the IP and port number of this terminal in screen center. This code is used cominucation infomation by the measure devie. Below that code, current using IP is displayed. If you have multiple IPs, you can change them with the IP button. (Measure) This is measuring device side, we must set Paertner device IP and this device IP. Paertner device IP is readed the 2D code of the partner device with the camera. The current using IP of your own is displayed under the partner device IP. If you have multiple IPs, you can change them with the IP button. The measurement results differ depending on the type of device. Especially, the difference on the measurement side is remarkable. This depends on the TCP / IP processing performance (congestion and processing performance) of the device. You can remeasuring with the update button on measuring screen. Press and hold this button (about 3 seconds) to switch between continuous measurement mode and single measurement mode.
S4_control
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在这里你可以连接上音箱,里面有许多功能,比如音乐,麦克风,吉他音量都是可以调节的。在个别界面还有均衡功能,也还有见红音效,高中低音等。 让你无须接触蓝牙音箱,在一定距离内就可以控制音箱了。
Screenshots
Verdict
The clearest difference is ads: S4_control at none against WifiRtt's shown. WifiRtt's advantage is device support (4 vs 2). On price, update cadence, in-app purchases and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly every 9 months. The most recent releases landed on November 6, 2026 and November 4, 2026 respectively.
| Parameter | WifiRtt | S4_control |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 9 months | Every 9 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPod |
| Requires iOS | 9.0 | 9.0 |
| Further details — not scored | ||
| Size | 9 MB | 108 MB |
| Age rating | 12+ | 4+ |
| Developer | uto toshiki | GUANDDONG TIANPU TECHNOLOGY GROUP CO.,LTD. |
In-app purchases
WifiRtt
No in-app purchases
S4_control
No in-app purchases









