LH Tuner vs Compositor NTP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LH Tuner
This app provides precise instrument tuning with accuracy up to ±0.001 semitone. It supports a wide range of acoustic and electric instruments and includes a tone generator with customizable wave types and temperaments.
- ±0.001 semitone accuracy
- Supports acoustic and electric instruments
- Adjustable A4 calibration
- Tone generator with 4 wave types
- Multiple temperament options
- Customizable keyboard
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LH Tuner is a tuner app that helps you tune instruments quickly and accurately(±0.001 semitone or ±0.1 cent).It can tune most acoustic and electric instruments, such as piano, acoustic\electric guitar, bass, strings, brass, woodwinds, tympani etc. You can set the basic frequency (note A4) from 430Hz to 450Hz. Transposition function. The Tone Generator has four wave types : sine,saw,triangle and square. Two keyboard types. Classical and Custom Keyboard. The Classical Keyboard is a piano keyboard model. On the custom keyboard,you can set the frequency to any pitch you want to generate. The Tone Generator has automatic frequency calculating system, which could work under any temperament you chose. On the fine knob ,you can tune the cent of a generating note from -50 to +50 and display 'Hz'. The “init button “ initialize any offset to zero. The knob has 3 modes: rotary horizontal and linear mode. You can set the amplitude envelope, including attack and release time. With the noiseGate, you can set threshold value and filter noise. LH Tuner is well-designed and easy to use. Features: - Precise to ±0.001 semitone or ±0.1 cent - Equal, Pythagorean and Just Intonation temperament - Cent display. Note Wheel Display - Needle meter display - Precise to 0.01Hz (Tone Generator) - Adjustable A4 (Concert A) calibration - Tone Generator range :20Hz - 20000Hz - Wave type selection. sine saw triangle square - Mic input amplitude display - Tone Generator output amplitude led display - Custom keyboard - Fine function - Volume control - Oct selector - Key number display - Keyboard type switch Shortcuts Key - Auto save change - Initialize
Compositor NTP
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Compositor NTP is a single solution for metronome and Ethernet education. It is a real-time device, which uses physical modeling as a source for NTP synchronous signal. Using the iOS version you can transform your iPhone into rhythm modeling station. You can adjust parameters visible on the screen using menus, dials and virtual keyboard. All of the dials smoothly interpolate for click-free performance. Compositor NTP is your entry point into the world of Ethernet communications. It dynamically updates the sound engine in accordance to IP address settings for three loopback channels. - Compositor NTP is an instrument that uses upper-level C++ programming, which makes it available as a pure 64-bit DSP application - First ever musical metronome with odometry - Convenient tempo and tone control - Natal chart of Constellations and month year cycle - Simulation of Solar System objects - Audio loopback and packet simulation - Telescope style control over reverberation channel
Screenshots
Verdict
The clearest difference is price: LH Tuner at Free against Compositor NTP's $2.99. LH Tuner also leads on iOS requirement (9.0 vs 16.2). Compositor NTP's advantage is update cadence (every 2 months vs every 27 months). On 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
LH Tuner is free to download; Compositor NTP costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.
LH Tuner ships an update every 27 months, Compositor NTP every 2 months. The most recent releases landed on October 12, 2026 and October 20, 2026 respectively.
| Parameter | LH Tuner | Compositor NTP |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 5.0 (4 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 27 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 9.0 — better | 16.2 |
| Further details — not scored | ||
| Size | 33 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | 昊 刘 | Ruslan Yusipov |
In-app purchases
LH Tuner
No in-app purchases
Compositor NTP
No in-app purchases









