REPUN vs ThunderBeast
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
REPUN
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REPUN is an analog-minded chorus and vibrato 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 sound is built around BBD-style delay behavior, band limiting, compander contour, and controlled waveform instability. The result moves with tonal weight instead of sounding like a clean digital modulation layer placed on top of the source. FEATURES - BBD-style chorus and vibrato character - Free-running or host-tempo-synced modulation - Continuous dry-to-chorus-to-vibrato Mix control - Adjustable Rate and Depth - LFO Wave shaping - BREEZE drift and random-motion control - Instrument and line input modes - 2x and 4x processing modes - Standalone iOS/iPadOS app - AUv3 audio effect for compatible hosts TRY BEFORE UNLOCKING The working release model assumes 10 minutes of full-featured active use, shared between the standalone app and AUv3 extension. A one-time, non-consumable In-App Purchase unlocks unlimited use in both formats, with Restore Purchases available in the standalone app. Confirm this behavior in the production build before submission. REPUN works on guitars, keyboards, synthesizers, pads, drones, and melodic layers that need width, instability, or animated pitch movement.
ThunderBeast
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Rain, wind and thunder, all synthesized in real time. No samples, no loops. Every storm ThunderBeast makes is a storm happening for the first time. EIGHT CITIES, EIGHT SKIES A New York night storm. London drizzle. A Miami squall. Seattle mist. The Bangkok monsoon. A Reykjavik gale. An evening shower in Kyoto. A Cape Town storm front. Choose a preset and the scenery, the weather and the colour of the panel change together, so the city you are listening to is the city in front of you. TEN WEATHER CONTROLS Precipitation and drop size shape the rain; wind speed, gust and turbulence move the air. Storm rate decides how often lightning happens and storm energy decides how heavy each strike lands, while cell distance walks the storm from directly overhead out to the horizon. Humidity and pressure change the whole feel of the sky, and width and gain finish it. FOUR KINDS OF LIGHTNING A crack at close range, thunder that rolls, strikes that repeat, a sheet of light across the whole sky - each one carrying the swell that comes back off the landscape. The bolt is drawn on screen as it happens and changes colour as the storm moves away. No two strikes are ever the same. PLAYABLE WEATHER Play from C2 up and the rain rings at that pitch. Chords and melodies come out of the falling rain. Play below C2 and lightning strikes instead: pitch sets the distance, velocity sets the weight. Twelve hardware controller presets are built in; the mod wheel is storm energy and the sustain pedal is lightning. STANDALONE AND AUv3 Use it on its own, or as an AUv3 plug-in in GarageBand, Logic Pro and others. START FREE Three cities are free from the first launch. ThunderBeast Pro is a one-time purchase, not a subscription: it opens the remaining cities (eight in all) and adds recording and export to WAV, AIFF and FLAC.
Screenshots
Verdict
REPUN and ThunderBeast are too close to call on the numbers: across 5 compared parameters โ price, ads, in-app purchases and device support among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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
Both are free to download. REPUN sells 1 one-off in-app purchase and ThunderBeast sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
| Parameter | REPUN | ThunderBeast |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod โ better |
| Requires iOS | 16.0 | 15.0 โ better |
| Further details โ not scored | ||
| Size | 35 MB | 63 MB |
| Age rating | 4+ | 4+ |
| Developer | Shoma Kondo | Tomocreate, Inc. |
In-app purchases
REPUN
- REPUN Full Version$6.99
ThunderBeast
- ThunderBeast Pro$9.99








