Comparison

K vs Recordiレコードアイ

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

Head to head
About

K

Test your knowledge of popular K-pop groups like BTS, BLACKPINK, and NewJeans. Challenge friends and prove your expertise in this ultimate K-pop quiz game.

Highlights
  • K-pop OX quiz format
  • Knowledge of multiple K-pop groups
  • Compete with friends
  • Prove K-pop mastery
Features
Read full description

The ultimate K-pop OX quiz app for fans Test your knowledge of BTS, BLACKPINK, NewJeans, Stray Kids, SEVENTEEN, TWICE and more Compete with friends and prove you are the real K-pop master

About

Recordiレコードアイ

Features
Read full description

Recordi is a new kind of visual & sound experience app that makes the music playing on your smartphone feel like it’s coming from a vinyl record. Music straight from your phone Recordi itself does not play music. Simply keep your favorite tracks playing and open this app — a realistic record player will appear on screen! Realistic turntable performance • The record spins just like the real thing • Switch between LOW 33 RPM and HIGH 45 RPM Scratch function included Slide the record with your finger and enjoy DJ-style scratch sounds. The pitch changes with your movement, giving you an authentic feeling. (Your music playback won’t be affected — the scratch is purely for fun!) With a clock for practicality The playback screen also shows the time, so you can check the clock while listening. Recommended for: • Anyone who wants to add a playful twist to their music listening • People who want to feel like a DJ • Fans of vinyl and analog devices • Those who just love quirky, fun apps Note • This app does not stop or control playback of other music apps • Music cannot be played directly from within Recordi • Scratch sounds are for atmosphere only Enjoy your smartphone music with an analog-style vibe through Recordi. Bring a record player right into your pocket!

Screenshots

K4 screens
Recordiレコードアイ4 screens

Verdict

The call

The clearest difference is iOS requirement: Recordiレコードアイ at 13.0 against K's 15.1. On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
K versus Recordiレコードアイ: the parameters behind the verdict, then further details
ParameterKRecordiレコードアイ
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 4 daysEvery 4 days
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.113.0 — better
Further details — not scored
Size24 MB101 MB
Age rating4+4+
DeveloperTae Hee SohnYukinori Yano

In-app purchases

None

K

No in-app purchases

None

Recordiレコードアイ

No in-app purchases

Questions

Is K free?
K is free to download, with no in-app purchases.
Is Recordiレコードアイ free?
Recordiレコードアイ is free to download, with no in-app purchases.
Do K or Recordiレコードアイ have ads?
Neither K nor Recordiレコードアイ shows ads.
Which is updated more often, K or Recordiレコードアイ?
K ships an update every 4 days, and Recordiレコードアイ every 4 days. Most recently, K was updated on October 30, 2026 and Recordiレコードアイ on October 25, 2026.

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