Greybox Tool vs Clear Wave & Water Eject
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Greybox Tool
A utility for developers to understand ad network operations. It allows manual triggering of postbacks and viewing device identifiers for debugging and attribution tracing. Developers can also inspect SKAdNetwork requests and postback content.
- Manual postback triggering
- View device identifiers (IDFA, IDFV)
- Inspect SKAdNetwork requests
- Share debugging information
- Analyze ad network processes
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Greybox Tool is a simple tool application for developers to know how ad network works. For ad network developers, you can: - Advertise this simple app in the delivery system, and trigger postback manually to see what happens during the advertising process step by step. - View and share the device identifiers for further debugging and attribution tracing. For app developers, you can: - View and share device details such as IDFA and IDFV. - See SKAN requests and postback content in different ad networks without developing a new application. - View and share the device identifiers with ad network tech supports for further debugging.
Clear Wave & Water Eject
Easily test and enhance your device's audio output. This app offers a tone generator for custom frequencies and a speaker booster to improve sound quality. It includes features for stereo testing and customizable test plans to ensure optimal speaker performance.
- Speaker testing
- Tone generator (0-20000 Hz)
- Speaker booster (bass & volume)
- Stereo channel testing
- Customizable test plans
- Turbo mode
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The Speaker Test app plays sounds that can help you with speaker testing. Whether you want to maintain your device's speaker or just improve the sound quality, Speaker Test - Tone Generator can help you in minutes. Speaker Test - Tone Generator offers some features to enhance your audio experience, such as: Speaker Test - The Speaker Test app is easy to use, fast, and effective. Speaker Test - Tone Generator quickly plays speaker test sounds to quickly test your speakers. The Speaker Test app also supports Turbo Mode and Quick Mode for a powerful Speaker Booster. Tone Generator - Using the Tone Generator, gain control with the ability to manually activate the frequency generator process. You can customize test frequency, the frequency range is 0-20000 hertz. You can also set the test duration so that it will automatically stop after the set time is reached. This feature complements the core functions of Speaker Test - Tone Generator perfectly. Stereo Check - Ensure your speakers are in top-notch condition with our Stereo Check feature. The Speaker Test app alternates between the left and right channels, quickly checking stereo performance. If your speakers need a sound check, Speaker Test - Tone Generator helps you verify that your audio output maintains optimal performance. dB Meter - Accurately measure environmental sound levels with our built-in dB Meter feature. Monitor decibels in real-time to ensure your audio environment is safe and your speaker performance is optimized, complementing the core capabilities of Speaker Test - Tone Generator. Speaker Booster - The Speaker Booster feature enhances your audio experience by offering both Bass and volume booster options. Play audio from your files or directly from Apple Music. This key function of Speaker Test - Tone Generator takes your speaker performance to the next level. Speaker Test - Tone Generator is more than just an app, it's a Speaker Test App; it’s your iPhone’s essential toolkit for acoustic management and speaker maintenance. With its user-friendly interface and essential features including Tone Generator and Speaker Booster, Speaker Test - Tone Generator is the perfect companion for every iPhone user. Note: If you subscribe through Apple, payment will be charged to your App Store account at confirmation of purchase. Subscription automatically renews unless auto-renew is turned off at least 24 hours before the end of the current period. The account will be charged for renewal at the selected plan rate within 24 hours before the end of the current period. Subscriptions and auto-renewal can be managed after purchase by going to your App Store account settings. Feedback —If you like Speaker Test - Tone Generator, please rate it five stars and give us a good review. —If you have any suggestions or any problems with the use, please send an email to admin@wiseflowtech.com. Thanks for your support! Privacy policy: https://clearsound.wiseflowtech.com/privacy.html Terms of services: https://clearsound.wiseflowtech.com/user_terms.html
Screenshots
Verdict
The clearest difference is rating: Clear Wave & Water Eject at 4.6 against Greybox Tool's 2.5. Clear Wave & Water Eject also leads on ratings volume (19 vs 2). Greybox Tool's advantage is in-app purchases (none vs 15). On price, update cadence, ads 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. Clear Wave & Water Eject sells 7 in-app purchases, starting at $3.99 per 7 days. Greybox Tool asks for nothing beyond the download.
Clear Wave & Water Eject holds the better App Store score, 4.6 against 2.5. That said, the two scores are not equally well evidenced: Clear Wave & Water Eject has 19 ratings behind it against 2, so its average is the more settled of the two.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.
| Parameter | Greybox Tool | Clear Wave & Water Eject |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (2 ratings) | 4.6 (19 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | 2 | 19 — better |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.6 | 15.6 |
| Further details — not scored | ||
| Size | 19 MB | 47 MB |
| Age rating | 17+ | +4 |
| Developer | Yunfeng Wei | Changsha Zhilan Technology Co., Ltd |
Customer experience
Greybox Tool
Clear Wave & Water Eject
In-app purchases
Greybox Tool
No in-app purchases
Clear Wave & Water Eject
- ClearWave Pro(Weekly)3 Days trial3 variants$3.997 Days
- Speaker Test Pro(Weekly)3 Days trial$4.997 Days
- Speaker Test Ultra(Weekly)3 Days trial2 variants$4.997 Days
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- Speaker Test Pro(Weekly)3 Days trial$7.997 Days
- ClearWave Pro(Weekly)3 Days trial$9.997 Days
- Speaker Test Pro(Weekly)3 Days trial5 variants$14.997 Days
- Speaker Test Pro(Yearly)1 Year trial2 variants$19.991 Year
Questions
Is Greybox Tool free?
Is Clear Wave & Water Eject free?
Which has better reviews, Greybox Tool or Clear Wave & Water Eject?
Do Greybox Tool or Clear Wave & Water Eject have ads?
Which is updated more often, Greybox Tool or Clear Wave & Water Eject?
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