Is there an app to test WiFi signal strength?

Related questions

1. How do I check my WiFi signal strength on my iPhone?
2. Does a WiFi booster increase speed?
3. Is a good wifi signal?
4. How can I check my WiFi signal strength on iPhone?
5. How much is a booster for WiFi?
6. Do WiFi extenders really work?
7. What is a strong wifi signal in dBm?
8. What is the best channel to scan for WiFi?
9. Will a WiFi booster help speed?
10. Which is the best channel for WiFi?

Tags

1. #simplicity
2. #favorite
3. #analysis
4. #strength
5. #visualizer
6. #price
7. #powerful
8. #affordable
9. #netspot
10. #meter
11. #discovery
12. #signal
13. #features
14. #combines
15. #because