DAC Tester vs WTAI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DAC Tester
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You can use this app to test your DAC with different sampling rates, from 44.1kHz to 768kHz, you can also test you headphone or speaker with 0-20khz white noise.
WTAI
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这是一款专为智能 IoT 产品开发的 APP，支持设备配网，并提供智能体创建与互动、模型切换、音色选择与复刻等功能
Screenshots
Verdict
The clearest difference is in-app purchases: WTAI at none against DAC Tester's 1. WTAI also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). DAC Tester's advantage is update cadence (every 2 days vs every 3 weeks). On price 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. DAC Tester sells 1 one-off in-app purchase. WTAI asks for nothing beyond the download.
DAC Tester ships an update every 2 days, WTAI every 3 weeks. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.
| Parameter | DAC Tester | WTAI |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 days — better | Every 3 weeks |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | 明 张 | Waytronic Electronics Company Limited |
In-app purchases
DAC Tester
- Remove Ads$0.99
WTAI
No in-app purchases
