Tabletop vs Signal Generator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Tabletop
Create music with a modular studio environment. Mix and match over 40 virtual instruments, effects, and sequencers to compose songs, beats, and mashups. Expand your sound palette by purchasing additional devices.
- Modular music creation environment
- Over 40 virtual instruments and effects
- Mix and match devices
- Create beats, songs, and mashups
- Piano roll timeline editor
- MIDI support
- Share music to SoundCloud
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Tabletop is an expandable studio with over a dozen included musical devices. Tabletop is a modular environment where you can mix and match different devices. Select from over 40 devices including samplers, mixers, effects, sequencers and more. Buy only the gear you need from an expanding catalog. Need help? Email support@retronyms.com and we’ll answer your questions. Retronyms has partnered with industry giants like Akai Professional and Arturia to create some of the Tabletop-Ready Apps, like iMPC, iMini, and iProphet! Using the Tabletop features of time stretching and pitch shifting, you can slice loops and time stretch them to different tempos and pitches in iMPC Pro. You can also use sliced loops from purchased AudioCopy sound packs inside Gridlock and iMPC Pro. Loops from these sound packs will automatically match the tempo of your sessions. Tabletop is an audio playground where you can create beats, compose songs, mix live, make mashups with samples from your iPod library, and more... the possibilities are endless. Plug the output of a keyboard into a delay to add an echo, or wire it up to a mixer and adjust the pan. Chain up multiple effects to create new and evolving sounds. FEATURES: • 43 devices including effects, sequencers, drum machines, and synths • 14 devices are included for free • 64 bit audio support • Access powerful Tabletop-Ready Apps • Piano Roll style timeline editor • Cut, copy, paste, duplicate, and create notes • Control Tabletop’s keyboards, drum pads, knobs, faders, and other parameters • Correct note timing with Fix to Grid • Edit note length and velocity • Undo changes and edits with Tabletop’s History Menu • Features Core MIDI Support • Works with any MIDI-compatible hardware • Customize control mapping with Midi Learn mode • Connect multiple devices • Share your music to SoundCloud and interact with other Tabletop users
Signal Generator
This tool transforms your device into a professional audio signal generator, producing accurate sine waves, square waves, white noise, and pink noise across the audible spectrum. It offers precise frequency control, real-time visualization, and the ability to save custom presets for various audio testing and calibration needs.
- Generate sine, square, white, and pink noise
- Frequency range 20Hz to 20kHz
- Multiple frequency resolution modes
- Real-time oscilloscope display
- Save unlimited presets
- Background audio playback
- Channel routing options
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PROFESSIONAL AUDIO SIGNAL GENERATION Signal Generator transforms your iPhone and iPad into a professional-grade audio signal generator. Create laboratory-accurate sine waves, square waves, white noise, and pink noise from 20Hz to 20kHz with precision and reliability. Whether you are an audio engineer testing speakers, a musician tuning instruments, a sound technician calibrating equipment, or a home theater enthusiast optimizing your setup, Signal Generator delivers the accuracy you need. PRECISION WAVEFORMS Generate four essential waveform types with laboratory accuracy: - Sine Wave: Pure tonal frequencies for precise audio testing - Square Wave: Rich harmonic content for equipment testing - White Noise: Full spectrum noise for acoustic analysis - Pink Noise: Balanced spectrum for room calibration and speaker testing INTUITIVE FREQUENCY CONTROL Navigate the entire audible spectrum with smooth, glitch-free control: - Frequency Range: 20Hz to 20,000Hz - Three Resolution Modes: Octave, 1/3 Octave, and Fine (1Hz steps) - Direct Entry: Tap to enter any exact frequency - Smooth Transitions: No clicks or pops when changing frequencies PROFESSIONAL FEATURES - Channel Routing: Output to stereo, left only, right only, or inverted right for pseudo-balanced testing - Wobble Mode: Warble-tone generation for acoustic measurements and room analysis - Octave Band Noise: Band-limited pink and white noise for targeted frequency testing - Background Audio: Continue signal generation while using other apps - Soft Mute: Gentle fade to prevent speaker damage from sudden stops REAL-TIME VISUALIZATION Watch your waveforms come to life with a real-time oscilloscope display. See exactly what signal is being generated and verify your output visually. SAVE YOUR SETTINGS Create and save unlimited presets for quick access to your most-used configurations. Perfect for standardized testing procedures or frequently used calibration tones. COMMON USES - Speaker Testing: Verify frequency response of speakers and headphones - Subwoofer Calibration: Find the perfect crossover point with precise low-frequency tones - Room Acoustics: Identify standing waves and room modes - Hearing Tests: Generate specific frequencies for audiometric testing - Instrument Tuning: Create reference pitches for tuning - Audio Equipment Testing: Verify signal path and equipment performance - Sound System Calibration: Balance levels across frequency spectrum - Education: Demonstrate audio principles in classroom settings TECHNICAL SPECIFICATIONS - Sample Rate: 44.1kHz - Frequency Range: 20Hz - 20,000Hz - Frequency Accuracy: Laboratory grade - Waveform Types: Sine, Square, White Noise, Pink Noise - Noise Filtering: ANSI/IEC compliant octave band filters - Channel Modes: Stereo, Left, Right, Inverted Right DESIGNED FOR PROFESSIONALS Signal Generator is built by audio professionals for audio professionals. No advertisements. No subscriptions. No internet connection required. Just pure, accurate signal generation when you need it. Download Signal Generator today and experience professional audio testing on your iOS device. Privacy Policy: https://audiomillo.com/privacy Terms of Service: https://audiomillo.com/eula
Screenshots
Verdict
The clearest difference is review sentiment: Tabletop at 55% against Signal Generator's 0%. Tabletop also leads on price (Free vs $4.99) and iOS requirement (11.0 vs 17.0). Signal Generator's advantage is in-app purchases (none vs 10). On ads 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
Tabletop is free to download; Signal Generator costs $4.99 up front. Tabletop sells 10 one-off in-app purchases. Signal Generator asks for nothing beyond the download.
| Parameter | Tabletop | Signal Generator |
|---|---|---|
| Price | Free — better | $4.99 |
| Rating | 3.3 (86 ratings) — better | — |
| Positive reviews | 55.2% of reviews — better | 0.0% of reviews |
| Number of ratings | 86 — better | — |
| Update frequency | Every 3 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 1.4 GB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Retronyms Inc | Yumm One |
Customer experience
Tabletop
Signal Generator
Bugs and requests
Tabletop
Reported bugs
3 issues- Synth parameters not saving properly
- Incompatibility issues with newer iOS versions
- Unreliable audio export
Requested features
4 requests- MIDI support
- Improved sequencing capabilities
- More free sound modules
- Waveform editing and sample management
Signal Generator
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Tabletop
- EKKO$1.99
- WHIRL$2.99
- Verve$2.99
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- XFADE$2.99
- TT-303$2.99
- Cueboard$2.99
- GLITCHBOARD$3.99
- X0X Drum Deranger$7.99
- RS4000$9.99
- Bundle E$24.99
Signal Generator
No in-app purchases









