DOI Ethics vs 噪音检测仪
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DOI Ethics
This app offers clear summaries of federal ethics rules and regulations for DOI employees. It includes interactive videos, resources, and a section for completing and submitting DOI-related forms, ensuring easy access to important information.
- Up-to-date federal ethics rules
- Summaries of ethics laws
- Interactive videos
- Handy resources
- Forms and Reporting section
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This interactive app provides up-to-date information on the Federal ethics rules and regulations that apply to DOI employees. The app contains easy-to-read summaries of the ethics laws regarding gifts, travel, outside employment and more, so you have a clear understanding of these rules, whether at home, work or on official travel. The app also gives you access to interactive videos, handy resources and a Forms and Reporting section so you can easily complete, save and submit DOI-related forms.
噪音检测仪
Record sound environments and display real-time decibel levels. Capture high-quality video with added watermarks to prevent piracy. Set custom recording durations for your needs.
- Record sound environments
- Real-time decibel display
- Set recording duration
- High-quality video recording
- Add watermark to videos
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录制噪音分贝，一键导出视频信息。我们支持： -录制声环境，实时显示分贝信息 -设置录制时长 -录制清晰、高质量视频 -添加水印，防止盗版
Screenshots
Verdict
The clearest difference is in-app purchases: DOI Ethics at none against 噪音检测仪's 3. 噪音检测仪's advantage is update cadence (monthly vs every 3 months) and ratings volume (3 vs 1). On price, rating, 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. 噪音检测仪 sells 3 in-app purchases, starting at $0.49 per month. DOI Ethics asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for DOI Ethics against 5.0 for 噪音检测仪. Both are backed by a comparable volume of ratings — 1 and 3 respectively.
DOI Ethics ships an update every 3 months, 噪音检测仪 monthly. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.
| Parameter | DOI Ethics | 噪音检测仪 |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (3 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 3 — better |
| Update frequency | Every 3 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 18.6 | 10.0 — better |
| Further details — not scored | ||
| Size | 79 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | U.S. Department of the Interior | 传胜 贾 |
Customer experience
DOI Ethics
噪音检测仪
In-app purchases
DOI Ethics
No in-app purchases
噪音检测仪
- VIP Monthly7 Days trial$0.491 Month
- VIP Annual7 Days trial$3.991 Year
- VIP Permanent$6.99
