Midi Tool Box vs Deep Synth
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Midi Tool Box
This app provides a comprehensive suite of tools for managing and controlling MIDI devices and data. It includes features for monitoring MIDI events and status, editing and storing SysEx data, recording and playing MIDI, and sending program changes. It supports Core MIDI and Network MIDI, and can import MIDI files from other applications.
- MIDI event monitor
- SysEx editor & librarian
- MIDI recorder & player
- Program Change sender
- Generic MIDI CC controller
- Core MIDI & Network MIDI support
- Open In for MIDI/SysEx files
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Midi Tool Box is an integrated app for managing and controlling MIDI devices and data, and offers the following functions: - MIDI event monitor - MIDI status monitor - SysEx editor & librarian - MIDI recorder & player - Program Change sender - Generic MIDI CC controller - Generic resetter - Support Core MIDI & Network MIDI - Open In:send Midi(.mid)/SysEx(.syx) file to MidiToolBox from other apps. - Universal App Monitoring functions are provided with a MIDI filter, making it easier to check your data. Midi Tool Box has a wide range of applications, including testing of MIDI devices, data management, music production, live performances, and maintenance of non-audio MIDI devices. [Device info] Following devices are tested. But we do not necessarily guarantee that the MidiToolBox work with these devices. YAMAHA i-MX1 - OK USB Device via Apple iPad Camera Connection Kit Alesis ALESIS USB-MIDI CABLE CME CME U2MIDI - OK
Deep Synth
Create unique sounds with this FM synthesizer app. It features real-time wave manipulation, multiple sound effects, and MIDI keyboard support. Explore dynamic sound design with its intuitive interface.
- Real-time wave form editing
- Simple envelope filter
- Reverb and tremolo effects
- Polyphonic keyboard with 5 octaves
- MIDI keyboard support
- AUV3 Audio Unit instrument
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Unique synth with AUV3 (Audio Unit) and midi keyboard support! You can touch and change the wave and hear the difference. Deep Synth also has: - simple envelope filter - reverb effect - tremolo sound effect - hair - high frequency modulation. - 5 points wave form modulation - polyphonic keyboard - 5 octaves range selector - point vibe to make your wave dynamic - build-in resonator effect - supports MIDI keyboards via USB (full velocity and pitch shift support) - works as Audio Unit instrument plug-in AUV3 The sound generator inside the synthesizer is producing the exact wave form as the one you have created. You can control the position and width of the picks in real time. The synth app has fast and capable piano keyboard. It is fully polyphonic and you can play in 5 octaves.
Screenshots
Verdict
The clearest difference is rating: Deep Synth at 4.0 against Midi Tool Box's 3.4. Deep Synth also leads on in-app purchases (none vs 2) and update cadence (monthly vs every 5 months). Midi Tool Box's advantage is iOS requirement (6.0 vs 10.0). On review sentiment, ratings volume, ads 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
Midi Tool Box costs $9.99 and Deep Synth $4.99 up front. Midi Tool Box sells 2 one-off in-app purchases. Deep Synth asks for nothing beyond the download.
Deep Synth holds the better App Store score, 4.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 2 respectively. Written reviews point the same way: 47% of Midi Tool Box's written reviews are positive against 50% of Deep Synth's.
Midi Tool Box ships an update every 5 months, Deep Synth monthly. The most recent releases landed on October 25, 2026 and October 21, 2026 respectively.
| Parameter | Midi Tool Box | Deep Synth |
|---|---|---|
| Price | $9.99 | $4.99 — better |
| Rating | 3.4 (5 ratings) | 4.0 (2 ratings) — better |
| Positive reviews | 46.9% of reviews | 50.0% of reviews — better |
| Number of ratings | 5 — better | 2 |
| Update frequency | Every 5 months | Monthly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 6.0 — better | 10.0 |
| Further details — not scored | ||
| Size | 3 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | ART Teknika Inc. | Aleksandar Mlazev |
Customer experience
Midi Tool Box
Deep Synth
In-app purchases
Midi Tool Box
- Program Change Panel$1.99
- Control Change Panel$1.99
Deep Synth
No in-app purchases
Questions
Is Midi Tool Box free?
Is Deep Synth free?
Which has better reviews, Midi Tool Box or Deep Synth?
Do Midi Tool Box or Deep Synth have ads?
Which is updated more often, Midi Tool Box or Deep Synth?
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