Smilophone vs Metro Mate
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smilophone
This app uses facial recognition to generate music based on your emotions. Express yourself through happy or sad sounds, and control the tone with your eyebrows. Create unique musical pieces simply by showing your face.
- Facial expression to music conversion
- Emotional intelligence powered by Affectiva
- Tone control via eyebrow movement
- Real-time music generation
- Supports iPhone and iPad
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Smilophone - music is in your face! Using emotional intelligence powered by Affectiva, Smilophone converts your expressions into music. Hold your iPhone or iPad up so it can see your face, and the music will play. Happy faces make happy sounds, sad faces make sad sounds. Raise or lower your eyebrows to raise or lower the tone. Have fun and make music as beautiful as you are!
Metro Mate
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Metro Mate is a metronome for drummers. Calm between the beats, clear on the beat. Free, open source, no ads, no subscription, no account. THE CLICK - A wave field of connected dots flows in tempo and jumps on every beat, accents hit harder - Tempo wheel from 1 to 300 BPM with a haptic tick per BPM and a stronger one every 10 - Beat grid with accents and note values from quarters to sixteenth triplets - Tap tempo, shuffle a pattern, save your own presets - 7 click sounds: Classic woodblock, Clean, Claves, Pocket, Cowbell, Punch, Deep - Keeps playing with the ringer on silent and in the background YOUR SOUND - Build your own drum kit for Learn: 8 snares, 6 kicks, 5 hi-hats, 4 open hi-hats and 3 practice pad sounds, each with a preview - Import your own one-shots from the Files app, for example an export from your DAW. They stay on your device LEARN - 70 grooves and exercises in 9 categories, Beginner to Advanced - All-Time Classics in the style of Funky Drummer, Purdie Shuffle, Amen Break and more - Funk and ghost notes, linear grooves, hi-hat work, kick independence, shuffles and triplets, accent studies, chops with R and L sticking - Every groove as a grid you can hear, played on a recorded funk kit - Dynamics on or off, accents and ghost notes or every hit at one level - Touch the grid to hear one column at a time, loop the part you are working on - Remembers your tempo for every groove, one tap back to the target tempo HISTORY - Week view with practice time per day - Month view with calendar, longest streak and tempo progress per groove - Stored on your device only Siri: "Start Metro Mate at 90 BPM". The drum and click samples are recorded instruments released under CC0, the Clean tone is generated in the app. The code is on GitHub, so the no tracking promise is something you can check.
Screenshots
Verdict
The clearest difference is update cadence: Metro Mate at every 3 months against Smilophone's every 11 months. Smilophone's advantage is iOS requirement (8.2 vs 16.0). On price, ads, in-app purchases and device support 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.
Smilophone ships an update every 11 months, Metro Mate every 3 months. The most recent releases landed on October 14, 2026 and October 30, 2026 respectively.
| Parameter | Smilophone | Metro Mate |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 11 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 8.2 — better | 16.0 |
| Further details — not scored | ||
| Size | 79 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Simon Booth | Alexander Friedl |
In-app purchases
Smilophone
No in-app purchases
Metro Mate
No in-app purchases
Questions
Is Smilophone free?
Is Metro Mate free?
Do Smilophone or Metro Mate have ads?
Which is updated more often, Smilophone or Metro Mate?
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