modstep vs SAGA Synth | 16
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
modstep
Create music with a powerful MIDI sequencer for iPad. Control external hardware, IAA apps, and Audio Units. Features unlimited tracks, real-time editing, and integrated synths/samplers for on-the-go or studio production.
- Session-style MIDI sequencer
- Unlimited tracks and scenes
- Real-time editing and modulation
- Integrated synth and sampler
- IAA and Audio Unit integration
- Ableton Link sync
- MIDI and Audio export
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Modstep Introducing Modstep, Modulation Monster and the first full-blown MIDI sequencer for the iPad. Modstep allows you to create music and jam with your iPad and your favorite IAA Apps, Audio Units, Mac and PC software and MIDI hardware as well as the internal drum sampler and synth. Use it as the centerpiece of your setup to create and perform music on the go, in the studio and on stage. "If you´re looking for a versatile, adaptable MIDI sequencer for iOS, Modstep comes highly recommended" Sound On Sound “Modstep could change how an iPad fits into your music making” CDM “If you’ve ever dreamed of a touchscreen brain for your studio, this is it.” FACTMag "Modstep is a great step forward for step sequencing.” Audionewsroom FEATURES: -Session-style MIDI sequencer with unlimited tracks & scenes. -Play individual clips or whole scenes, or use the included arrangement features to manage more sophisticated song-structures. -Clips are pattern based which allows quick edits on the fly. Set a variable speed per pattern. -Edit clips with either the Step Sequencer or the Piano Roll -Step Sequencer with active steps and step-shifting. -Piano Roll with variable quantization including triplets, access to modulations, velocities and scales. -Everything can be edited, arranged, modulated or changed in real-time. -Note Repeat from 1-48th to 1/4th. -Global Swing -Unlimited MIDI & Audio tracks - only restricted by the power of your iPad. -Tempo range from 20 to 999bpm. -Sync via Ableton Link. -Stable and low-latency MIDI Clock In & Out with latency adjustment. -Trigger out -integrated global keyboard with scales & drum-pads allow quick recording of individual tracks with a single surface. -Use an external controller or keyboard to control, record or play any given track. -Midi mappable via external MIDI controllers -Internal additive synth with up to 64 harmonics per voice, 3-band eq, delay, reverb, lfo and detune. -Internal sampler with pitch, volume, reverse, fx per slot, 3 band-eq, delay and reverb. -Integrate any IAA compatible app or Audio Unit as an instrument or effect. -unlimited number of effects per track. -Audiobus support. -convenient plugin management via drag and drop. -Integrated mixer with Arm, Mute, Solo per track -Any loaded instrument or external MIDI hardware is completely modulatable via CCs. -Up to 128 CC modulations per track. -Audio and MIDI streaming directly via charger cable to Mac and PC using studiomux technology -Export sample perfect loops of audio per track. Choose which channels to record. The internal quantization will make sure they are sample-perfect and ready for any DAW. -Import / Export of MIDI files. -Import / Export of Audio & MIDI files via AudioShare. -A sophisticated template system allows quick setup of tracks to control external MIDI hardware, apps or plugins. -Includes many preconfigured templates for popular external hardware. -Template editor to create your own templates for IAA Apps, desktop Apps and external MIDI devices -Supports all MIDI interfaces for the iPad -Works on all iPads (iPad 1 restricted to MIDI only) Requirements: iOS 8 or later for audio and MIDI streaming to a Mac or PC, the studiomux server software is required: get the latest for free at studiomux.net Manual: You can find the manual here: http://www.modstep.net/manual
SAGA Synth | 16
This app provides a 16-bit retro video game synthesizer with over 350 presets. It allows for the creation of expressive pads, sound effects, drums, and leads, and can be used as a standalone app or an AUv3 plugin. Record and export your creations as WAV files.
- 16-bit retro video game synth
- Over 350+ presets
- Standalone app & AUv3 plugin
- Step sequencer
- Audio recording and export
- MIDI keyboard support
- Ableton Link
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"SAGA SYNTH IS THE MOST FUN MUSIC APP ON THE PLANET!" – The GarageBand Guide SAGA Synth is a super-fun retro 16-bit video game synth More than chiptunes, you can use this synth for amazing and expressive pads, sound fx, drums, leads, and more! Make your music stand out with real 16-bit retro video game power. Created from 5 different vintage hardware YM2616 sound chips for the greatest collection of 16-bit sounds ever produced. We put lots of love into making this app. Ready Player One? Press a Key to take your music to the next level! REQUIRES iOS 14 and ABOVE! Thank you. :) Includes over 350+ Presets by MobyPixel, Electronisounds, Red Sky Lullaby, Gavinski, The GarageBand Guide, DJ Puzzle, The Audio Dabbler, Sound of Izrael, Marc Hupkens, AnalogMatthew, Brian Funk, Shazaam the Producer and more. Features custom-created sounds for this app, made from vintage retro gaming hardware. Learn More & Watch Videos: audiokitpro.com/sagasynth SAGA SYNTH is available only on iOS and iPadOS. FEATURES: • Standalone app & iOS AUv3 Plugin • Over 350+ presets to inspire you • Fun free-running step sequencer • Exclusive sound sources made for this app • New, more stable AudioKit code • 16-bit Synth, Drum, and Sound FX sounds included • Over 600+ Mb of sounds compressed to under 150 Mb • Audio recording, record your sounds then export wav files! No other apps needed • Use as an iOS Plug-in in hosts like GarageBand, AUM, Cubasis, Beatmaker 3, and more • Use with MIDI keyboard or iOS MIDI host • Ableton Link SAGA Synth is the first of the next generation of AudioKit Pro apps, written from the ground up with a focus on playability and amazing sound. We've added rock-solid sequencer timing, improved AUv3 support, easy standalone recording, and much more. It's created with lots of love. + iPhone & iPad versions included for one low price ++ BONUS: Includes sounds from the best-selling Ableton 16-Bit Video Game sound packs by Brian Funk. For the first time on iOS! More Info: www.audiokitpro.com/sagasynth ### AudioKit is an open-source project intended to bring joy and music to people, and enlighten people on how to build custom instruments and iOS apps. All product names, images, and trademarks are the property of their respective owners, including SEGA Corporation, Yamaha Corporation, Twisted Electrons, MEGAfm, Genesis, MegaDrive, and others, which are in no way associated or affiliated with the creators of this app, including AudioKit, Brian Funk, AudioKit Pro, LLC, and the other contributors. Product names are used solely for the purpose of identifying specific products related to hardware, synthesizers, sampling, sound design, and music-making. Use of these names and images does not imply any cooperation or endorsement, including SEGA Corporation, Yamaha Corporation, Twisted Electrons, MEGAfm, Genesis, MegaDrive, and others. We thank them for their incredible hardware and instruments.
Screenshots
Verdict
The clearest difference is review sentiment: SAGA Synth | 16 at 89% against modstep's 46%. SAGA Synth | 16 also leads on rating (4.9 vs 2.8) and price ($3.99 vs $9.99). modstep's advantage is iOS requirement (7.0 vs 14.4). On update cadence, 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
modstep costs $9.99 and SAGA Synth | 16 $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
SAGA Synth | 16 holds the better App Store score, 4.9 against 2.8. That said, the two scores are not equally well evidenced: SAGA Synth | 16 has 446 ratings behind it against 39, so its average is the more settled of the two. Written reviews point the same way: 46% of modstep's written reviews are positive against 89% of SAGA Synth | 16's.
modstep ships an update every 3 weeks, SAGA Synth | 16 monthly. The most recent releases landed on November 5, 2026 and November 4, 2026 respectively.
| Parameter | modstep | SAGA Synth | 16 |
|---|---|---|
| Price | $9.99 | $3.99 — better |
| Rating | 2.8 (39 ratings) | 4.9 (446 ratings) — better |
| Positive reviews | 45.8% of reviews | 89.0% of reviews — better |
| Number of ratings | 39 | 446 — better |
| Update frequency | Every 3 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Best chart rank | — | #200 — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 7.0 — better | 14.4 |
| Further details — not scored | ||
| Size | 99 MB | 121 MB |
| Age rating | 4+ | 4+ |
| Developer | Christian Blomert | AudioKit Pro |
Customer experience
modstep
SAGA Synth | 16
User reviews
modstep
From 39 App Store ratingsWhat we love
- 🎛️ Powerful MIDI sequencing capabilities
- 🎨 Clean and polished user interface design
- 🔗 Excellent integration with external hardware and IAA/AU apps
- 🎵 Ableton Live-like clip launching workflow
- 🎚️ Extensive automation and CC control options
Room to improve
- 🐛 Frequent crashes and stability issues
- ⏸️ App appears abandoned with no recent updates
- 🔌 IAA/AU instrument loading causes crashes
- 📖 Poor documentation and lack of tutorials
- 🎚️ Confusing and unintuitive user interface
SAGA Synth | 16
From 446 App Store ratingsWhat we love
- 🎶 Awesome retro sounds
- 👍 Great creation methods
- 🎨 Versatile and fun
- 🎨 More than just game sounds
- 👍 Tons of presets
Room to improve
- 🐛 Midi not working properly
- 🐛 Sequencer issues with recording
- 🐛 Keyboard issues and bugs
- 🐛 Crashes and stability problems
- 🤔 Not true 16-bit emulation
Bugs and requests
modstep
Reported bugs
18 issues- App crashes when loading external IAA/AU instruments
- Constant clicking sound with metronome off
- Projects fail to load or require multiple restart attempts
- MIDI input routing ignores channel settings
- Track names change when using 'save as' function
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- App crashes when adding second synth to project
- Black screen on startup
- Crashes when editing notes in pattern editor
- MIDI note hanging and stuck notes
- Random crashes during playback or editing
- Instruments deleted after app crash
- Inter-app audio broken on newer iOS versions
- App crashes when deleting tracks
- Editing while playing causes crashes
- Clip deletion causes crashes
- IAA apps lock in slots
- Screen goes blank during operation
- Skipped notes and misfired triggers
Requested features
18 requests- Undo/redo functionality
- MIDI import capability
- Pre-roll for recording
- Dedicated mixer with send/returns
- Audio loop recording and playback
Show 13 moreShow fewer
- State saving for synth presets
- Bank MSB/LSB support for program changes
- Precise CC automation entry
- Song mode for arrangement
- MIDI CC scene launching
- Metronome volume and pan control
- Note selection tool in piano roll
- Groove templates
- Better transposition tools
- Pan control for instruments
- Reset function for faders and values
- AU MIDI plugin support
- Sample upload over IP
SAGA Synth | 16
Reported bugs
2 issues- Crashes when too many favorites
- Overlapping UI elements on phones
Requested features
3 requests- Export to Famitone music file
- macOS version
- Improved quantization
In-app purchases
modstep
No in-app purchases
SAGA Synth | 16
No in-app purchases







