Frequency Guessr
A listening game where you hear a sound and guess its frequency in Hertz, earning more points the closer your number lands to the real value.
Frequency Guessr plays a sound and asks for one thing: how many Hertz is that. No hints, no multiple choice listed anywhere, just your ears and a number. It's built as a game for one to four players rather than a solo daily puzzle.
What is Frequency Guessr?
Frequency Guessr strips a listening test down to its simplest form. The game's own description says it all: "Guess the frequency of the given sound. The closer you are to the actual frequency, the more points you get!" You hear a sound, enter a guess for its frequency in Hertz, and score based on how close you landed. It feels more like an ear-training drill than a typical trivia game.
What separates it from most sites in the -dle genre is that it isn't gated to one puzzle a day. There's no daily seed and no archive of past rounds to catch up on. It's designed to be played whenever you want, and it supports one to four players, so it works as a small group activity where everyone compares guesses, closer to a party game you'd pull up on a laptop than a morning ritual you check once and move on from.
Frequency Guessr comes from Izz Hafeez, whose personal site hosts fifteen browser games in all. Four of them share the "Guessr" name: Color Guessr, Location Guessr, Stat Guessr, and Frequency Guessr itself. Each applies the same core idea, put a number or a pick on something and get scored on how close you were, to a different subject. Frequency Guessr is the audio entry in that lineup, testing pitch instead of color or geography.
The whole thing runs free in the browser. The feedback loop is immediate and purely numeric: hear the sound, submit a guess, see your score, try again. If you've ever tried to name a note by ear or guess whether a hum is closer to 200 Hz or 2,000 Hz, that's the exact skill this game is testing, in short, replayable bursts.
How to play Frequency Guessr
- Open Frequency Guessr at izzhafeez.com.
- Gather up to three friends if you want to play it as a group activity, since it supports one to four players.
- Listen to the sound the game plays for the round.
- Enter your best guess for the sound's frequency in Hertz.
- Submit your guess and score points based on how close you were to the real frequency.
- Play another round whenever you like, since no daily reset was found and the game can be replayed anytime.
Tips and strategy
- Anchor your guesses to notes you already know. Concert pitch A4 sits at 440 Hz and middle C is roughly 262 Hz.
- Remember the general range. Human hearing runs from about 20 Hz up to 20,000 Hz, so use that as your outer bounds before guessing.
- Low sounds that feel like a rumble or hum are usually well under 500 Hz, while thin, piercing ones climb into the thousands.
- Play several rounds in a row to calibrate your ear. There's no daily limit stopping you from practicing back to back.
- If you're playing with a group, compare everyone's guesses out loud before revealing the answer. It turns the game into more of a party round than a solo test.
- Be more precise with low guesses. Below about 1,000 Hz the ear can tell apart tones that differ by only a few Hertz, so small errors are easier to notice there than at high frequencies.
Good to know
- Category
- Estimation / listening game
- Resets
- No daily reset found, playable anytime
- Cost
- Free
- Modes
- 1 to 4 players
- Archive
- None found
- Creator
- Izz Hafeez
- Platform
- Browser (izzhafeez.com)
Frequency Guessr FAQ
Is Frequency Guessr free?
Yes, it's free to play in the browser.
How do you play Frequency Guessr?
You listen to a sound the game plays and enter a guess for its frequency in Hertz. The closer your guess is to the real frequency, the more points you score.
Does Frequency Guessr reset daily, or is there an archive of past puzzles?
No. Unlike most daily -dle games, Frequency Guessr doesn't appear to run on a daily seed, and no archive of previous rounds was found. You can play it whenever you want.
Is Frequency Guessr like Wordle?
Only loosely. It shares the guess-and-get-feedback structure, but it's a replay-anytime estimation game for up to four players rather than a once-a-day word puzzle.
Who made Frequency Guessr?
It was made by Izz Hafeez, whose personal site hosts fifteen browser games, including three other titles in the same 'Guessr' series: Color Guessr, Location Guessr, and Stat Guessr.