caTTho vs popchord
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
caTTho
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If you have any idea for good guitar or bass riff, note it using this app and export it to file or raw text.
popchord
Generate hundreds of chords instantly with this music creation tool. Explore various scales and chord types to build song sets, then perform using built-in instruments or send MIDI wirelessly to your DAW. A free one-month trial unlocks all pro features.
- Chord Grid for instant chord playing
- Hundreds of chords from 50+ scales
- Vast library of chord types
- Built-in instrument for performance
- Wireless MIDI transmission to DAWs
- Customizable play area with themes
- iCloud backup for creations
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Craft your next hit song with popchord, a chord generating improvisation and performance instrument. Play hundreds of chords with just a tap. Create sets with automatically generated chords from over 50 musical scales – no music theory knowledge required. Edit your sets using a vast library of chord types. Perform your idea using a built-in instrument or wirelessly transmit MIDI to your favorite DAW instruments on macOS. Unlock all pro features for free for one month with a new trial. • Use the Chord Grid to play hundreds of chords with a tap • Perform with over 13 built-in instruments • Create a set using a vast library of musical scales • Customize your play area with over 30 themes • Wirelessly send MIDI to your favorite DAW instrument* • Your creations are backed up privately to your iCloud account • Available for iPhone and iPad * Wireless MIDI requires a supported Mac with Bluetooth/Wifi Terms: https://popchord.app/tos Privacy Policy: https://popchord.app/privacy-policy
Screenshots
Verdict
The clearest difference is update cadence: popchord at every 3 months against caTTho's every 7 months. popchord also leads on iOS requirement (18.1 vs 26.0). 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. caTTho sells 1 one-off in-app purchase and popchord sells 2 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.
caTTho ships an update every 7 months, popchord every 3 months. The most recent releases landed on October 30, 2026 and September 22, 2026 respectively.
| Parameter | caTTho | popchord |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 7 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.0 | 18.1 — better |
| Further details — not scored | ||
| Size | 13 MB | 59 MB |
| Age rating | 4+ | 4+ |
| Developer | Vlastimil Stefl | Float Point |
In-app purchases
caTTho
- Premium fatures$0.99
popchord
- popchord pro1 Month trial$4.991 Year
- popchord pro$14.99
