NSYS Buy Back vs Wave
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NSYS Buy Back
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Find a way to organize buyback process for mobile devices! Fully customizable application will provide you an accurate buyback price. Use different questions and parameters and receive buyback orders directly from the application. Test now and start your own buyback!
Wave
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Wave-USB Player is a professional-grade 8-channel audio playback app designed for laser show operators and live production environments. Built to work seamlessly with the Wave-USB device (MiniDSP MCHStreamer), it delivers studio-quality audio at 48kHz / 24-bit resolution — the standard for ADAT-based laser show systems. Key Features: Plays back 8-channel WAV files with industry-standard channel assignments for ADAT laser show output. Works standalone — no USB device required for file management or preview playback. Stream audio directly from a USB flash drive, keeping your iOS device storage free. Load files from USB flash drive or via cable from a Mac or PC. HDMI video output supported for flexible routing in live setups. Whether you're in the booth or on the bench, Wave-USB Player gives you reliable, professional multichannel audio playback in the palm of your hand. Images showing laser content from the Best of Echoes by FirstLight Laser Productions. Wave laser shows can be purchased directly from http://www.firstlight-laser.com
Screenshots
Verdict
The clearest difference is iOS requirement: NSYS Buy Back at 12.0 against Wave's 26.0. On price, update cadence, ads and in-app purchases 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | NSYS Buy Back | Wave |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 26.0 |
| Further details — not scored | ||
| Size | 23 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Grigoriy Glazman | David Zurcher |
In-app purchases
NSYS Buy Back
No in-app purchases
Wave
No in-app purchases
