Comparison

TinyTone vs FOLD Stereo to Mono

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

TinyTone

Create professional synth patches for music production and live performance. Design sounds in real-time with a powerful synthesizer engine, dual oscillators, and extensive modulation options. Export and import patches, and use it as an AUv3 plugin in DAWs.

Highlights
  • Powerful synthesizer engine
  • Dual oscillators with FM synthesis
  • Real-time audition with touch pads
  • External MIDI keyboard support
  • Unlimited user patch storage
  • AUv3 Audio Unit support
  • JSON export/import for patches
Features
Read full description

TinyTone is a full-featured synthesizer sound source for iPhone sound design, stage performance, and recording. Using the on-screen controllers and a MIDI keyboard, you can design and monitor professional synth patches in real time. In addition to standalone app use, ToneEditor can also be loaded as an AUv3 Audio Unit into DAWs such as GarageBand and used as a sound source. It also works as a sound editor for its sister app, TinyTone, allowing you to reproduce consistent sounds with the same sound engine. <Features> ・Powerful Synthesizer Engine Equipped with dual oscillators, envelopes, filters, modulation, delay, limiter, and more. Enables complex sound design. Dual Oscillators with FM Synthesis, switch between Mix and Chain modes for rich tonal possibilities. ・Real-Time Audition Play single notes, chords, and transposition using touch pads. Hear sound changes instantly as you adjust sliders. External input via MIDI keyboard is also supported. ・Preset Management Unlimited user patch storage. ・JSON Export / Import Export patches as JSON. Share via Files app or clipboard. ・AUv3 Support Can be embedded as an AU instrument in DAWs like GarageBand. Reproduces consistent sounds with the same synthesis engine. <How to Use> 【Standalone】 1. Select a preset or start creating from a new patch. 2. Play sounds using the test pad at the bottom of the screen; adjust parameters with sliders to confirm real-time sound changes. 3. Save your created patch to a user slot. 【Using with DAWs (GarageBand, etc.)】 1. Add TinyTone (AU) to a track. 2. Select a factory preset or saved patch from the AU preset selection screen. 3. Play the DAW keyboard to output sound. <Important> ・When using simultaneously with camera or audio apps, noise may occur depending on your environment. Please be careful with output volume. ・Listening to loud audio for extended periods can affect your hearing. When using headphones or speakers, always check your surroundings and volume level. ・Some DAWs (e.g. Ableton Live 11) may not detect iOS-app AUv3 plug-ins. Logic Pro, MainStage, and GarageBand are recommended. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://flicker-jp.com/privacy

About

FOLD Stereo to Mono

This audio utility app allows musicians to adjust stereo width and fold down stereo signals to mono. It functions as an AUv3 plugin for compatible hosts, offering real-time phase correlation metering and output gain control. It's designed for seamless integration into music production workflows.

Highlights
  • Variable stereo width control
  • Click-free mono fold-down
  • Output trim gain stage
  • Real-time phase correlation meter
  • AUv3 plugin support
  • Host automation compatibility
Read full description

FOLD is a stereo width and mono fold-down utility for iOS. Use it as an AUv3 plugin in any compatible host. FEATURES Width — Continuously variable stereo width from mono to full stereo. Drag the knob or tap to enter an exact value. Width changes are smoothed to avoid clicks. Mono — One tap collapses your stereo signal to mono with a click-free ramp. Instantly check how your mix translates to a single speaker, earbuds, or phone. Output Trim — ±12 dB gain stage after the width processing. Compensate for any perceived loudness shift when narrowing a wide mix. Phase Correlation Meter — Real-time bar display with a numeric readout. Green means your signal is mono-compatible and safe. Amber indicates partial cancellation. Red flags phase cancellation issues that will cause problems on mono playback devices. WORKS AS AN AUv3 PLUGIN Load FOLD in Loopy Pro, GarageBand, AUM, Audiobus, Cubasis, n-Track, or any AU-compatible host on iPhone or iPad. The AUv3 extension exposes all parameters for host automation. Free. No in-app purchases. No ads. No account required.

Screenshots

TinyTone3 screens
FOLD Stereo to Mono1 screens

Verdict

The call

The clearest difference is update cadence: TinyTone at weekly against FOLD Stereo to Mono's fortnightly. FOLD Stereo to Mono's advantage is device support (3 vs 1) and ratings volume (3 vs 1). On price, rating, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for TinyTone against 5.0 for FOLD Stereo to Mono. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

UpkeepUpdate frequency

TinyTone ships an update weekly, FOLD Stereo to Mono fortnightly. The most recent releases landed on October 10, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 5 level
TinyTone versus FOLD Stereo to Mono: the parameters behind the verdict, then further details
ParameterTinyToneFOLD Stereo to Mono
PriceFreeFree
Rating5.0 (1 ratings)5.0 (3 ratings)
Number of ratings13 — better
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS17.013.0 — better
Further details — not scored
Size4 MB11 MB
Age rating4+4+
DeveloperKEISUKE TONEShelbybark LLC

Customer experience

TinyTone

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

FOLD Stereo to Mono

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

TinyTone

No in-app purchases

None

FOLD Stereo to Mono

No in-app purchases

Questions

Is TinyTone free?
TinyTone is free to download, with no in-app purchases.
Is FOLD Stereo to Mono free?
FOLD Stereo to Mono is free to download, with no in-app purchases.
Which has better reviews, TinyTone or FOLD Stereo to Mono?
TinyTone and FOLD Stereo to Mono are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.
Do TinyTone or FOLD Stereo to Mono have ads?
Neither TinyTone nor FOLD Stereo to Mono shows ads.
Which is updated more often, TinyTone or FOLD Stereo to Mono?
TinyTone ships an update weekly, and FOLD Stereo to Mono fortnightly. Most recently, TinyTone was updated on October 10, 2026 and FOLD Stereo to Mono on October 31, 2026.

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