RK vs shortReverse II
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
RK
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The RK-601 can convert tempo from gate pulses into MIDI clock so you can synchronise your music software to devices using a simple metronome output. In the RK-601 companion app you can set clock dividers, button response and MIDI start/stop message behaviour. The RK601 needs the Apple CCK on iOS devices with lighting connectors.
shortReverse II
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Concept: βshortReverse IIβ is the advanced version of βshortReverseβ which was previously released. The second has the same functionality as the first but resolves professional needs, that is, the problem of restricted buffer size (2^N). Now the user can freely adjust the buffer size from 256 to 65536 (in 1 sample unit). Usage: The user can reverse an incoming audio signal in real-time only while pushing the button. "buffer size" slider is text-editable by clicking. Note: Button automation in DAW is not supported. System Requirements: AUv3 host stereo output: just plug headphone/mic or audio interface.
Screenshots
Verdict
The clearest difference is price: RK at Free against shortReverse II's $3.99. On ads, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
RK is free to download; shortReverse II costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | RK | shortReverse II |
|---|---|---|
| Price | Free β better | $3.99 |
| Update frequency | β | Every 2 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.2 | 12.0 β better |
| Further details β not scored | ||
| Size | 1 MB | 14 MB |
| Age rating | 4+ | 4+ |
| Developer | Gerrit Dijkstra | Satoshi Kajii |
In-app purchases
RK
No in-app purchases
shortReverse II
No in-app purchases









