DR16.4 vs Signals
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DR16.4
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DR16.4 is a kind of APP program similar to DR14.2,DR16.4 Its operation object is the second generation digital mixer product which is researched and developed independently by SEIKAKU, and it controls the device through the way of network connection with iPad. Its main function is as the followings: -8 microphone preamplifiers with dedicated trim control 16 -20 line-level inputs -4 Aux sends(4 Analog aux sends and 2 internal aux sends) -4 subgroups and stereo main outs - All channels Control Room output -2 headphone output -USB record/play in main channel -100mm sliding electric fader -touchable color LCD display -24-bit/48KHz sampling rate -Program, save, load & copy functions -Digital gate -Digital compressor -Digital 4-band full parametric EQ -PAN -Phase reverse -Time delay -Scenes with digital fader and aux position reference -6 DCA for Digital Control Audio Amplifier or MUTE -Remote Control: Ethernet or USB, -Expand socket for option module: Multi-track USB audio recording module or CobraNet module etc(USB Audio Module or 16in/16out Digital CobraNet module) Requirements: * iPad with iOS9.0 or above. * a wireless router. * DR16.4 Device (for control)
Signals
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History of Austrian Railway Signalling
Screenshots
Verdict
The clearest difference is update cadence: Signals at every 6 days against DR16.4's every 3 weeks. DR16.4's advantage is iOS requirement (9.3 vs 17.0). On price, ads, in-app purchases and device support 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.
DR16.4 ships an update every 3 weeks, Signals every 6 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.
| Parameter | DR16.4 | Signals |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Every 6 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPad | iPhone, iPad — better |
| Requires iOS | 9.3 — better | 17.0 |
| Further details — not scored | ||
| Size | 8 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | SEIKAKU | Kornel Kaulics |
In-app purchases
DR16.4
No in-app purchases
Signals
No in-app purchases
