Hi Drum vs Gradatone
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Hi Drum
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Hi Drum turns your iPhone and iPad into a professional electronic drum kit β fully featured, studio-quality sound, and a virtual band always ready to play with you. Whether you're a seasoned drummer or just picking up the sticks for the first time, Hi Drum delivers a real music-making experience β no rehearsal room, no band required. β COMPLETE ELECTRONIC DRUM KIT Intuitive interface, responsive pads, ultra-low latency. Play instantly with a variety of kits: Rock, Jazz. Each kit is recorded and processed to studio standards. β MIDI CONTROLLER SUPPORT Hi Drum supports MIDI controller connection via USB. The app automatically detects your device and maps the pads within seconds β no complex setup required. Compatible with most popular MIDI drum pads and electronic drum kits available today. β CREATE A VIRTUAL BAND Pick your instruments, choose a genre, and start playing. Hi Drum's virtual band features drums, beats, and vocals β all automatically following your rhythm and tempo in real time. Hi Drum β No rehearsal room. No band. Just music, starting right here.
Gradatone
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Gradatone is a seamless pitch instrument: swipe the screen and hear pitch move smoothlyβnamed for the gradient of sound. Play with nuance keyboards cannot easily offerβvocal-like vibrato and string-like glissandos. Layer timbres for rich harmony, or turn on Snap to pull pitch gently toward a scale. Choose from major, minor, Okinawan and Miyako modes, Chinese pentatonic, Indian (raga), Arabic, blues, and more. Labels include English, kana, and Indian note names (Sa/Pa). No account, ads, in-app purchases, or tracking. Settings stay on your device only. On iOS, you can play even when the Ring/Silent switch is on (use the device volume buttons).
Screenshots
Verdict
The clearest difference is in-app purchases: Gradatone at none against Hi Drum's 1. Gradatone also leads on ads (none vs shown). Hi Drum's advantage is update cadence (every 2 months vs every 5 months). On price, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Hi Drum sells 1 one-off in-app purchase. Gradatone asks for nothing beyond the download.
Hi Drum ships an update every 2 months, Gradatone every 5 months. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Hi Drum | Gradatone |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months β better | Every 5 months |
| Ads | Yes | No β better |
| In-app purchases | Yes | No β better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details β not scored | ||
| Size | 29 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Nguyen Hieu | TOMIHIDE OTA |
In-app purchases
Hi Drum
- HiDrum Premium$2.99
Gradatone
No in-app purchases









