Harmonica Real Pro vs Crate.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Harmonica Real Pro
This app simulates a diatonic harmonica, offering various practice modes and features. Learn and play songs with adjustable speed and pitch, and record your performances.
- Diatonic harmonica simulation
- Offline and online song library
- Adjustable playback speed
- Transpose and reverb effects
- Normal and RealTime play modes
- Autoplay option
- Recording and sharing functionality
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The harmonica, also known as a French harp or mouth organ, is a free reed wind instrument used worldwide in many musical genres, notably in blues, American folk music, classical music, jazz, country, and rock. The many types of harmonica include diatonic, chromatic, tremolo, octave, orchestral, and bass versions. A harmonica is played by using the mouth (lips and tongue) to direct air into or out of one (or more) holes along a mouthpiece. Behind each hole is a chamber containing at least one reed. The most common is the diatonic Richter-tuned with ten air passages and twenty reeds, often called the blues harp. A harmonica reed is a flat, elongated spring typically made of brass, stainless steel, or bronze, which is secured at one end over a slot that serves as an airway. When the free end is made to vibrate by the player's air, it alternately blocks and unblocks the airway to produce sound. Reeds are tuned to individual pitches. Tuning may involve changing a reed's length, the weight near its free end, or the stiffness near its fixed end. Longer, heavier, and springier reeds produce deeper, lower sounds; shorter, lighter, and stiffer reeds make higher-pitched sounds. If, as on most modern harmonicas, a reed is affixed above or below its slot rather than in the plane of the slot, it responds more easily to air flowing in the direction that initially would push it into the slot, i.e., as a closing reed. This difference in response to air direction makes it possible to include both a blow reed and a draw reed in the same air chamber and to play them separately without relying on flaps of plastic or leather (valves, wind-savers) to block the nonplaying reed. An important technique in performance is bending, causing a drop in pitch by making embouchure adjustments. Bending isolated reeds is possible, as on chromatic and other harmonica models with wind-savers, but also to both lower, and raise (overbend, overblow, overdraw) the pitch produced by pairs of reeds in the same chamber, as on a diatonic or other unvalved harmonica. Such two-reed pitch changes actually involve sound production by the normally silent reed, the opening reed (for instance, the blow reed while the player is drawing). (https://en.wikipedia.org/wiki/Harmonica) The Harmonica Real is Diatonic Harmonica musical instrument simulation app. More offline and online songs for practice (With the ability to change speed, transpose, reverb). Play with 2 modes: - Normal - RealTime You can choose autoplay for listening songs. Record feature: record, play back and share to your friends. Reverb feature. ** Songs is updated regularly
Crate.
Organize your music collection by creating digital record shelves. Review albums, track your listening habits, and discover new music through friends, focusing on personal taste over algorithms.
- Build and share curated album collections
- Write album reviews and star ratings
- Log daily music listening history
- Discover music through friends' tastes
- Follow and collaborate with other users
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Crate is for people who still listen. Albums matter. They outlast trends, playlists, and charts. Crate lets you build your own record shelf with collections called crates. Review what you hear, keep a diary of your spins, and see what your friends are into. It's about taste, not algorithms. About the albums you choose to keep. Features • Build and share crates, curated collections of albums • Write reviews and star-rate your listens • Keep a music diary of your daily spins • Discover underground favorites through friends, not algorithms • Follow, like, and collaborate with others in the scene This is not for everyone. Only for those who still listen.
Screenshots
Verdict
The clearest difference is rating: Harmonica Real Pro at 4.8 against Crate.'s 3.4. Harmonica Real Pro also leads on ratings volume (4.6K vs 8) and iOS requirement (13.0 vs 15.1). Crate.'s advantage is review sentiment (92% vs 78%) and monetization model (free vs ad-supported). 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. Neither carries in-app purchases, so what you see is what you pay.
Harmonica Real Pro holds the better App Store score, 4.8 against 3.4. That said, the two scores are not equally well evidenced: Harmonica Real Pro has 4.6K ratings behind it against 8, so its average is the more settled of the two. Written reviews complicate that: 78% of Harmonica Real Pro's written reviews are positive against 92% of Crate.'s, so the app with the better star average is not the one people write more warmly about.
Harmonica Real Pro ships an update every 5 weeks, Crate. every 2 weeks. The most recent releases landed on September 29, 2026 and September 11, 2026 respectively.
| Parameter | Harmonica Real Pro | Crate. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (4.6K ratings) — better | 3.4 (8 ratings) |
| Positive reviews | 78.0% of reviews | 92.3% of reviews — better |
| Number of ratings | 4.6K — better | 8 |
| Update frequency | Every 5 weeks | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 100 MB | 58 MB |
| Age rating | 4+ | 9+ |
| Developer | Son Truong Ngoc | Mustafa Kaan Baaran |
Customer experience
Harmonica Real Pro
Crate.
In-app purchases
Harmonica Real Pro
No in-app purchases
Crate.
No in-app purchases









