Piano Chord Judge vs LoopView
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Piano Chord Judge
Identify musical chords by playing them on a virtual piano. Explore chord components, inversions, and even play MIDI files or connect a MIDI keyboard. Customize tone colors for a personalized experience.
- Chord identification by playing keys
- Select and explore chord components
- Inversion chord judgment
- MIDI file playback
- Bluetooth MIDI keyboard support
- Customizable tone colors
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I know what the sound is, but I don't know what to call it a chord name! I tried to make a song, but what is a chord? It is an application that may be used in such cases. Press the key on the piano to judge the chords. There is also a function to select a chord and check its constituent sound. [Explanation of symbols for code judgment] ◎: Exact match. ○: There is a shortage of one sound. △: Two sounds are insufficient. ×: Three lack of sound. What? : There are insufficient 4 or more sounds, or there is extra sound 【Hold function】 You can hold down the key when you press the key. If you press the same key a second time, the key will be released. All will be canceled with the Reset button. 【SelectChord function】 If you select a chord, you can check the constituent sound with the keyboard while producing the sound. First pick the root tone, then choose Suffix such as minor or sus4. 【Inv function】 Judge the keys as Inversion chord. 【Others】 · If you transfer a MIDI file from iTunes, you can play that MIDI file with "Play" button. (You can stop with the Reset button) · It is possible to connect to a MIDI keyboard compatible with Bluetooth. · The keyboard can display up to 1 to 3 octaves. · You can choose the tone colors, piano, marimba and bass so on.
LoopView
Easily loop specific sections of YouTube videos for repeated viewing or listening. This tool allows you to set start and end points for infinite playback and can also mirror videos horizontally. It's ideal for learning, practice, and detailed analysis.
- Infinite video looping
- Customizable start/end points
- One-click video mirroring
- Useful for learning and practice
- Supports YouTube playback
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Have you ever thought, "I want to watch this part repeatedly" or "I want to listen to this part repeatedly" on YouTube? LoopView is an application that makes such wishes come true. LoopView is an application that makes such wishes come true. It's super easy to use! Just specify the start and end position of the video while it is playing, and press the play button. Just specify the start and end positions while the video is playing, and press the play button to play the part you want to see in infinite repeat. You can also flip the video left or right with one click. This is useful for learning language phrases, checking sports form, dancing, practicing musical instruments, and more! *Please note This app does not allow you to download videos. This app cannot download videos, and cannot play videos for which embedding is prohibited. Translated with www.DeepL.com/Translator (free version)
Screenshots
Verdict
The clearest difference is rating: Piano Chord Judge at 5.0 against LoopView's 3.8. LoopView's advantage is update cadence (weekly vs every 6 weeks) and review sentiment (100% vs 83%). On price, ads, in-app purchases and monetization model 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.
Piano Chord Judge holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 2 and 6 respectively. Written reviews complicate that: 83% of Piano Chord Judge's written reviews are positive against 100% of LoopView's, so the app with the better star average is not the one people write more warmly about.
Piano Chord Judge ships an update every 6 weeks, LoopView weekly. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.
| Parameter | Piano Chord Judge | LoopView |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | 3.8 (6 ratings) |
| Positive reviews | 83.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 | 6 — better |
| Update frequency | Every 6 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Ad-supported |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 14.0 — better | 14.1 |
| Further details — not scored | ||
| Size | 180 MB | 13 MB |
| Age rating | 4+ | 17+ |
| Developer | Yasuhiro Suzuki | KENICHI YAMAMOTO |
Customer experience
Piano Chord Judge
LoopView
In-app purchases
Piano Chord Judge
No in-app purchases
LoopView
No in-app purchases
Questions
Is Piano Chord Judge free?
Is LoopView free?
Which has better reviews, Piano Chord Judge or LoopView?
Do Piano Chord Judge or LoopView have ads?
Which is updated more often, Piano Chord Judge or LoopView?
Other comparisons
