Comparison

Reverse Challenge・Singing Game vs KeyFall Piano

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Reverse Challenge・Singing Game

Record your voice, play it backward, and try to sing it in reverse. This game is perfect for parties and friends, offering hilarious results and built-in challenges.

Highlights
  • Record voice
  • Hear reversed audio
  • Sing reversed audio back
  • Compare original and attempts
  • Built-in challenges
  • Party game for friends
Features
Read full description

Record your voice, flip it backwards, and try to sing it in reverse. Reverse Challenge is the hilarious singing game where you and your friends race to copy reversed audio, then play it back to hear who actually nailed it. No talent needed, just tap record, listen to your sound played in reverse, and do your best to recreate it. The results are almost always ridiculous, which is exactly the point. Perfect for parties, road trips, and lazy nights with friends. • RECORD YOUR VOICE - Capture your singing, talking, or any silly sound in a single tap. Clean, instant recording every time. • HEAR IT REVERSED - Instantly play your recording backwards and listen to how strange your voice sounds in reverse. • SING IT BACK - Try to reproduce the reversed audio out loud, record your attempt, and flip it again to see how close you got. • COMPARE THE RESULTS - Play the original and your reverse attempt side by side and laugh at the difference with everyone in the room. • BUILT-IN CHALLENGES - Take on ready-made Songs, Twister, and Memes challenges made from popular reversed sounds and see if you can match them. • MADE FOR FRIENDS - A light, easy party game built for groups, game nights, and anyone who loves a good laugh. No skill, no pressure, just fun. Reverse Challenge is a subscription with an auto-renewable plan. We share anonymized app usage data with Apple solely to protect against refund fraud. For all refund policy details, consult our Privacy Policy and Terms of Use. Contact us: nailscasabrahama@outlook.com Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://docs.google.com/document/d/1cx9tOPQ9TNiv0heZ6R4tQA0OWQnjogSnCszdxIhiE2E/edit?usp=sharing

About

KeyFall Piano

Features
Read full description

Most beginners can find the right notes. What stops them is timing, playing the melody so each note lands exactly on the beat, and holding that steady for a whole piece. The second wall is hand independence: the left hand keeping its own rhythm while the right plays a different one. Scales and finger exercises build strength and muscle memory, but they run at whatever tempo your hands feel like, one hand at a time, with nothing telling you that you rushed the third beat. Keyfall trains the two things scales can't. HOW IT WORKS The screen is split down the middle. The right half plays the treble staff, the left half plays the bass. Notes fall as coloured blocks, one colour per pitch class, the same seven colours used across the app, and your job is to tap the correct side at the moment the block reaches the line. Every tap is graded in milliseconds: Perfect, Good, Late, or Miss. You can play any song with your right hand, your left hand, or both. Start with one hand until the melody is in your fingers, then add the other and feel the two rhythms separate. 200+ SONGS, EASY TO HARD The library opens with single-hand nursery tunes and works up through Bach, Beethoven, Satie, Debussy and Chopin. Clear a song with both hands at 70% accuracy or better and the next three unlock. Every song shows its grade, your best score and your accuracy, so you always know what to work on next. BUILT FOR REAL PRACTICE · A guided tutorial teaches right hand, then left hand, then both · Latency calibration measures your device's touch delay so Perfect really means perfect · Tempo control from 60% to 100%, slow a passage down until it's clean · A timing breakdown after every run shows exactly where you drifted early or late, per hand · High score boards per song and per hand mode KEYFALL PRO and IMPORT MUSICXML, MIDI A single purchase, no subscription. Pro unlocks all 120+ songs at once, adds 90 pieces that sit outside the free ladder, and lets you import your own sheet music as MusicXML, MXL or MIDI, two staves map straight to the two halves of the screen. It also adds practice tools: loop a section, slow to 40%, mute one hand, and set a separate latency offset per hand. The 120+ song ladder is free forever. Pro only opens it early and adds your own music on top. No ads. No accounts required. Works offline.

Screenshots

Reverse Challenge・Singing Game4 screens
KeyFall Piano4 screens

Verdict

The call

Reverse Challenge・Singing Game and KeyFall Piano are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ScorecardNo meaningful differences
Reverse Challenge・Singing Game versus KeyFall Piano: the parameters behind the verdict, then further details
ParameterReverse Challenge・Singing GameKeyFall Piano
PriceFreeFree
Rating3.3 (3 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings3 — better—
AdsNoNo
In-app purchasesNoNo
MonetizationSubscription—
DevicesiPhoneiPhone, iPad — better
Requires iOS17.017.0
Further details — not scored
Size31 MB166 MB
Age rating4+4+
DeveloperMariamesca BravoBizzon Company Limited

In-app purchases

None

Reverse Challenge・Singing Game

No in-app purchases

None

KeyFall Piano

No in-app purchases

Questions

Is Reverse Challenge・Singing Game free?
Reverse Challenge・Singing Game is free to download, with no in-app purchases.
Is KeyFall Piano free?
KeyFall Piano is free to download, with no in-app purchases.
Do Reverse Challenge・Singing Game or KeyFall Piano have ads?
Neither Reverse Challenge・Singing Game nor KeyFall Piano shows ads.

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