WaveCrux vs OpenASO
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
WaveCrux
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WaveCrux is a modern, high-performance waveform viewer for digital design and verification engineers. Open VCD, FST, GHW, LXT and LXT2 simulation traces directly on your iPhone or iPad ā review a regression during a meeting, triage a CI failure from anywhere, or walk through a trace without opening your laptop. GET STARTED IMMEDIATELY Tap "Open Sample Waveform" on the welcome screen to explore a bundled trace with five decoded protocol buses ā no files of your own needed. WAVEFORM VIEWING ⢠Native Rust parsing engine ā large multi-million-event traces open fast ⢠VCD, FST, GHW, LXT and LXT2 file formats ⢠Smooth pinch-to-zoom and pan, tuned for touch ⢠Full design hierarchy browser with search and filtering ⢠Cursors, markers, and time measurements ⢠Value formats: hex, decimal (signed and unsigned), binary, octal, ASCII, and enum translation ⢠Fixed-point and floating-point buses drawn as analog curves PROTOCOL DECODERS ⢠Serial: UART, SPI, I2C ⢠Buses: AXI4-Lite, APB, AHB-Lite, Wishbone ⢠RISC-V instruction decode ⢠Decoded transactions overlay directly on the waveform ANNOTATE AND SHARE ⢠Add a callout, arrow or shaded band to a signal at a moment in time; it stays anchored as you pan and zoom ⢠Notes record the value the signal had when you wrote them, and flag themselves when a re-run changes it ⢠Share Annotated Waveform sends your notes and the trace they refer to as one small file, openable on desktop or in a browser GTKWAVE FRIENDLY ⢠Import GTKWave .gtkw session files ā signal lists, groups, colors, and formats come across ⢠Reads GTKWave translate filter files BUILT FOR MOBILE ⢠Open waveform files straight from Mail, Slack, AirDrop, or the Files app ⢠Layout adapts from iPhone to iPad multi-pane ⢠Sessions preserve your signal selections, formats, cursors, and zoom PRIVACY ⢠No account, no sign-in, no ads ⢠Your waveform files never leave your device ⢠Anonymous usage counts help decide what to build next. You are asked on first launch, the switch is in Settings ā Privacy, and the complete list of what is counted is at edacrux.app/telemetry ā never file names, signal names, or anything that identifies you Available in English, Simplified Chinese, Japanese, and Korean. WaveCrux is also available for macOS, Windows, and Linux ā visit wavecrux.app to learn more.
OpenASO
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Understand how apps rank across the App Store ā and keep your research on your device. OpenASO is a local-first workspace for App Store Optimization research. Track keyword positions, review ranking history, compare storefronts, and organize your discovery work without creating an account. Built for independent developers and app makers, OpenASO helps you turn public App Store data into a focused research workflow. KEYWORD RANKINGS AT A GLANCE ⢠Track keyword positions by storefront and device ⢠Compare current and previous rankings ⢠Review best, worst, and historical positions ⢠Quickly see which keywords improved, declined, or stayed unchanged ⢠Follow ranking changes over time with clear charts and snapshots RESEARCH ACROSS STOREFRONTS ⢠Track the same keyword across multiple App Store countries ⢠Compare how an app appears in different markets ⢠Research iPhone and iPad search results ⢠Organize keywords for localization and regional discovery work ADD AND RESEARCH ANY PUBLIC APP ⢠Search by app name, App Store ID, URL, or bundle identifier ⢠Review public app information, ratings, and customer reviews ⢠Track your own apps or research competitors ⢠Keep multiple app workspaces organized in one place BUILT FOR PRACTICAL ASO WORK ⢠Add keywords individually or import them from CSV ⢠Export keyword data for further analysis ⢠Save notes alongside apps and keywords ⢠Refresh tracked research in the background ⢠Review historical snapshots whenever you need them LOCAL-FIRST BY DESIGN ⢠No account or sign-up required ⢠Your tracked apps, keywords, notes, and snapshots stay on your device ⢠Your research is stored in a local database ⢠Export your data whenever you need a backup or external workflow FOCUSED AND TRANSPARENT ⢠Built around publicly available App Store information ⢠No impression, download, or revenue estimates ⢠No invented popularity scores presented as official Apple data ⢠Designed as a research companion, not an App Store Connect replacement OpenASO is an independent research tool and is not affiliated with or endorsed by Apple. Research keywords. Follow the movement. Find your next opportunity.
Screenshots
Verdict
WaveCrux and OpenASO are too close to call on the numbers: across 5 compared parameters ā price, ads, in-app purchases and device support among them ā neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | WaveCrux | OpenASO |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 9 days | ā |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 16.0 ā better | 16.4 |
| Further details ā not scored | ||
| Size | 37 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Ferrite Engineering LLC | Que Anh Bui Nguyen |
In-app purchases
WaveCrux
No in-app purchases
OpenASO
No in-app purchases









