Audio Rec/Reverse/Player vs trx
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Audio Rec/Reverse/Player
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This app is a recorder that can be played in reverse. Once you have recorded the voice, you can convert it to reverse playback data and play it in reverse. It is equipped with a voice changer function that can be used during playback, and can perform 0.5 to 2.0 times speed control, pitch control from -2 to +2 octaves, and 21 types of voice effect control. In addition, it also supports the W-Play function, and can perform normal playback and reverse playback at the same time with one touch.
trx
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trx-control is not a standalone app. It requires a trx-control(7) installation with a running trxd(8) daemon that has WebSockets enabled. The app connects to trxd(8) using a WebSockets and displays all transceivers and extensions that have been configured for client access. The trx-control app is mainly used by radio amateurs to operate transceivers and other hamradio related hardware. Please note that in order to use the callsign lookup feature, a valid QRZ.com subscription is needed.
Screenshots
Verdict
The clearest difference is ads: trx at none against Audio Rec/Reverse/Player's shown. Audio Rec/Reverse/Player's advantage is update cadence (every 2 months vs every 23 months). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Audio Rec/Reverse/Player ships an update every 2 months, trx every 23 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.
| Parameter | Audio Rec/Reverse/Player | trx |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 23 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 5 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | koji kamogawa | micro systems |
In-app purchases
Audio Rec/Reverse/Player
No in-app purchases
trx
No in-app purchases
Questions
Is Audio Rec/Reverse/Player free?
Is trx free?
Do Audio Rec/Reverse/Player or trx have ads?
Which is updated more often, Audio Rec/Reverse/Player or trx?
Other comparisons
