Comparison

ChordLoop vs Trappist

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

Head to head
About

ChordLoop

Features
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ChordLoop is the fastest way to find your next chord progression. Pick a key, tap a chord, and hear it instantly. Stack chords into a progression, loop it at any tempo, and let the ideas flow. Whether you're writing a song, learning theory, or just noodling on the couch, ChordLoop turns "what sounds good next?" into a few taps. WHAT YOU CAN DO โ€ข Play every chord in any key โ€” major and minor, with the music theory built in and correct โ€ข Hear real sound generated right on your device โ€” nothing to download, works fully offline โ€ข Flip on 7th chords for a richer, jazzier feel โ€ข Loop your progression at any tempo and hear it come to life โ€ข Start from classic progressions โ€” pop, 50s, ballad, and more โ€ข Save the progressions you love โ€ข Share a progression with a single tap CHORDLOOP PRO โ€” one-time $3.99 unlock โ€ข Export any progression to MIDI and drop it into GarageBand, Logic, or any DAW โ€ข Drum grooves that turn your progression into a real track โ€ข Six more instruments โ€” Organ, Nylon Guitar, Synth, Strings, Music Box, and Marimba Built for songwriters, producers, guitarists, pianists, ukulele players, and anyone learning music. No account. No ads. No subscription โ€” the full songwriting core is free, and Pro is a single one-time purchase.

About

Trappist

Features
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๋งŒ๋“œ๋Š” ์ด๋“ค์˜ ์ง‘์ž…๋‹ˆ๋‹ค. ๋ฌธ์€ ์–ธ์ œ๋‚˜ ์—ด๋ ค ์žˆ์Šต๋‹ˆ๋‹ค. Trappist๋Š” ๋ผ์ด๋ธŒ ์Œ์•…๊ณผ ๊ณต์—ฐ ์”ฌ์„ ์œ„ํ•œ ์ง€๋„์ž…๋‹ˆ๋‹ค. ์˜ค๋Š˜๊ณผ ๋‹ค๊ฐ€์˜ค๋Š” ๊ณต์—ฐ, ํŽ˜์Šคํ‹ฐ๋ฒŒ, ์ „์‹œ๋ฅผ ์ง€๋„์™€ ๋ชฉ๋ก์—์„œ ํ•œ๋ˆˆ์— ๋ณด๊ณ  ๋งˆ์Œ์— ๋“œ๋Š” ๋ฌด๋Œ€๋ฅผ ๋ฐœ๊ฒฌํ•ด ๋ณด์„ธ์š”. ์˜ค๋Š˜ ์—ด๋ฆฌ๋Š” ๋ฌด๋Œ€๋ฅผ ์ง€๋„์— ์˜ฌ๋ฆฌ๊ณ , ์ง€๋‚˜๊ฐ„ ๋ฌด๋Œ€๋Š” ๊ธฐ๋ก์œผ๋กœ ๋‚จ๊น๋‹ˆ๋‹ค. โ€” ํ”ผ๋“œ: ๊ณง ์—ด๋ฆฌ๋Š” ๊ณต์—ฐ์˜ ๋Œ€ํ‘œ๊ณก๊ณผ ๋ผ์ด๋ธŒ๋ฅผ ๋„˜๊ฒจ๋ณด๋ฉฐ ๋ฐœ๊ฒฌ โ€” ํŽ˜์Šคํ‹ฐ๋ฒŒ ํ”ผ๋“œ: ํ•œ ํŽ˜์Šคํ‹ฐ๋ฒŒ์˜ ๋ผ์ธ์—… ์•„ํ‹ฐ์ŠคํŠธ ์˜์ƒ๋งŒ ๋ชจ์•„ ๊ฐ์ƒ โ€” ์žฌ์ƒ ๊ธฐ๋ก: ๋งˆ์Œ์— ๋“  ๊ตฌ๊ฐ„์„ ์ €์žฅํ•˜๊ณ  ๋ณด๋˜ ์œ„์น˜๋ถ€ํ„ฐ ์ด์–ด๋ณด๊ธฐ โ€” ์ง€๋„: ๊ณต์—ฐ์žฅ๋ณ„๋กœ ๋ชจ์ธ ์˜ค๋Š˜์˜ ๋ฌด๋Œ€ โ€” ๊ณต์—ฐ๊ณผ ํŽ˜์Šคํ‹ฐ๋ฒŒ: ํฌ์Šคํ„ฐ, ์ถœ์—ฐ์ง„, ๋ผ์ธ์—…๊ณผ ํƒ€์ž„ํ…Œ์ด๋ธ” โ€” ์•„ํ‹ฐ์ŠคํŠธ: ์‚ฌ์ง„, ๋Œ€ํ‘œ๊ณก๊ณผ ์˜์ƒ, ๋‹ค๊ฐ€์˜ค๋Š” ๊ณต์—ฐ โ€” ์›น์ง„: ๊ณต์—ฐ ์ „ํ›„์˜ ์ด์•ผ๊ธฐ์™€ ์”ฌ์˜ ๊ธฐ๋ก โ€” MY: ์ €์žฅํ•œ ๊ณต์—ฐ, ๋‚ด ๊ธ€๊ณผ ๋Œ“๊ธ€, ์•Œ๋ฆผ ์„ค์ • โ€” ์ปค๋ฎค๋‹ˆํ‹ฐ: ๊ณต์—ฐ ์ด์•ผ๊ธฐ์™€ ํ›„๊ธฐ, ์žฅํ„ฐ์™€ ํŒ€ ์ฐพ๊ธฐ ๋ฐ์ดํ„ฐ๋Š” KOPISยท์„œ์šธ ์—ด๋ฆฐ๋ฐ์ดํ„ฐ๊ด‘์žฅยท๊ณต์‹ ์ฑ„๋„ยท์ด์šฉ์ž ์ œ๋ณด๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ํ•ฉ๋‹ˆ๋‹ค.

Screenshots

ChordLoop4 screens
Trappist4 screens

Verdict

The call

The clearest difference is in-app purchases: Trappist at none against ChordLoop's 1. On price, update cadence, ads and device support there is nothing between them.

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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ChordLoop sells 1 one-off in-app purchase. Trappist asks for nothing beyond the download.

UpkeepUpdate frequency

ChordLoop ships an update weekly, Trappist every 4 days. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

Scorecard1 real difference ยท 5 level
ChordLoop versus Trappist: the parameters behind the verdict, then further details
ParameterChordLoopTrappist
PriceFreeFree
Update frequencyWeeklyEvery 4 days โ€” better
AdsNoNo
In-app purchasesYesNo โ€” better
DevicesiPhone, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better16.4
Further details โ€” not scored
Size14 MB80 MB
Age rating4+4+
DeveloperJONATHAN BILESseokyong kim

In-app purchases

1 purchases

ChordLoop

One-time1
  • ChordLoop Pro$3.99
None

Trappist

No in-app purchases

Questions

Is ChordLoop free?
ChordLoop is free to download, with in-app purchases available.
Is Trappist free?
Trappist is free to download, with no in-app purchases.
Do ChordLoop or Trappist have ads?
Neither ChordLoop nor Trappist shows ads.
Which is updated more often, ChordLoop or Trappist?
ChordLoop ships an update weekly, and Trappist every 4 days. Most recently, ChordLoop was updated on October 11, 2026 and Trappist on October 12, 2026.

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