Comparison

ThermVoltGe vs WorldWandering

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

Head to head
About

ThermVoltGe

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ThermVoltGe is a character-focused germanium distortion processor for iPhone and iPad. Use it as a standalone audio app or insert the included AUv3 effect in a compatible host such as GarageBand. Its nonlinear core is built around an OA91-style germanium-diode architecture. A low forward-voltage threshold, asymmetric conduction, temperature dependency, battery sag, and supply-voltage interaction create early compression and a soft, rounded clipping response. FEATURES - OA91-style germanium diode clipping - Temperature-dependent nonlinear response - Battery sag and supply-voltage control - Instrument and line input modes - Boost stage - Adjustable gain, high-pass filter, tone, drive, and output - 2x and 4x oversampling modes - Standalone iOS/iPadOS app - AUv3 audio effect for compatible hosts TRY BEFORE UNLOCKING The app provides 10 minutes of full-featured active use. Demo time advances only while the standalone app or AUv3 effect is actively being used. After the allowance is used, audio processing is disabled for 24 hours. A one-time, non-consumable In-App Purchase unlocks unlimited use in both the standalone app and AUv3 extension. Restore Purchases is available in the standalone app. Customers whose verified original app version is 1.0.2 or earlier retain full access automatically without an additional purchase. ThermVoltGe is designed for guitar, bass, synthesizers, keyboards, and other sources that benefit from compressed, harmonically rich germanium drive.

About

WorldWandering

Features
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WorldWandering stretches a short sound up to ten million times into a slowly drifting resonance. It can also speed a sound up tens of thousands of times into a dizzying pulse. Every action and setting takes effect on the spot, so you can create new sounds while the sound plays. The screen is the sound. A band across the middle shows the material as a waveform or a spectrogram, with a line where it is being read and the range it loops over. Touch the band to move the reading position and the volume with your finger. Pinch to widen or narrow the loop. Turn the device sideways and the material fills the whole screen. Touch above or below the band to send the sound on a journey. Left to right is the reading position; top to bottom runs through six places with very different characters โ€” Drift, Haze, Shimmer, Swarm, Pulse and Tape โ€” with the top and bottom joined into a loop. A crosshair shows where you are aiming, and when you lift your finger the sound travels there over the Transition time while a circle closes in on the spot. Tap three times to stop or start. The sound can also wander the map on its own, and Randomize moves every setting somewhere new. The settings that shape the sound are in the Sound sheet, grouped into three tabs: - Material โ€” five built-in sounds: voices, nature, drum loops, an orchestra and an old vocal recording. With Pro you can import your own sounds from the Files app. - Playback โ€” three ways of playing: Simple (like a tape: slower is lower), Granular (short grains joined and overlapped, with synchronous, asynchronous and WSOLA types) and Spectral (the sound is dissolved into its frequencies and stretched). Playback speed runs continuously from ร—0 through ร—1 to ร—โˆž, with pitch up to two octaves up or down, the window length and shape, grain length, density and jitter, the loop and a shift that moves it along a little on every round, and a crossfade that hides the join of the loop. - Effects โ€” a ping-pong delay, a reverb and a limiter. Four visualizers follow the sound across the whole screen: Pulsar, Aurora, Ring and Nova. Their colours follow the timbre and their size and brightness follow the loudness. Send the sound to Bluetooth speakers, AirPlay speakers such as HomePod, or a USB audio interface, and control it from Control Center and the Lock Screen. Record exactly what you hear as a 48 kHz / 24-bit WAV file. Leave it running while you work, read or rest. Background Playback keeps it going when you leave the app, Prevent Auto-Lock keeps the picture awake, and the corner buttons can be hidden while still working where they are. A quick guide is built in. WorldWandering is free with a banner ad. Pro, a one-time in-app purchase, removes the ad and unlocks every setting, recording, and your own sounds. The Sound sheet is fully available without Pro, apart from importing your own sounds.

Screenshots

ThermVoltGe2 screens
WorldWandering4 screens

Verdict

The call

The clearest difference is ads: ThermVoltGe at none against WorldWandering's shown. WorldWandering's advantage is update cadence (fortnightly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. ThermVoltGe sells 1 one-off in-app purchase and WorldWandering sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

ThermVoltGe ships an update every 2 months, WorldWandering fortnightly. The most recent releases landed on October 25, 2026 and November 1, 2026 respectively.

Scorecard2 real differences ยท 4 level
ThermVoltGe versus WorldWandering: the parameters behind the verdict, then further details
ParameterThermVoltGeWorldWandering
PriceFreeFree
Update frequencyEvery 2 monthsFortnightly โ€” better
AdsNo โ€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 โ€” better17.6
Further details โ€” not scored
Size28 MB7 MB
Age rating4+4+
DeveloperShoma KondoMasayuki Akamatsu

In-app purchases

1 purchases

ThermVoltGe

One-time1
  • ThermVoltGe Full Version$4.99
1 purchases

WorldWandering

One-time1
  • Pro$3.99

Questions

Is ThermVoltGe free?
ThermVoltGe is free to download, with in-app purchases available.
Is WorldWandering free?
WorldWandering is free to download, with in-app purchases available.
Do ThermVoltGe or WorldWandering have ads?
WorldWandering shows ads; ThermVoltGe does not.
Which is updated more often, ThermVoltGe or WorldWandering?
ThermVoltGe ships an update every 2 months, and WorldWandering fortnightly. Most recently, ThermVoltGe was updated on October 25, 2026 and WorldWandering on November 1, 2026.

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