Decibel Meter vs SIFDC环控
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Decibel Meter
Transform your phone into a professional-grade decibel meter for real-time noise detection. Features advanced algorithms, noise visualization, and recording capabilities for comprehensive sound analysis.
- Military-grade algorithm
- Professional GB weighted detection
- Noise recording
- Noise classification system
- AI ambient noise visualization
- Noise dosimeter
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The decibel meter 3 is shocking! This time, your mobile phone is a professional decibel testing instrument that can provide you with noise detection anytime, anywhere. Decibel Meter 3 Features: - Brand new military-grade algorithm - Brand new UI page design - Brand new noise rendering animation - Brand new professional-level GB weighted detection engine - Brand new noise recording capability - New professional-grade noise classification system - Brand new AI real-time ambient noise source visualization engine - Brand new noise dosimeter we continue to pay attention to your health More features will be launched in subsequent versions, so stay tuned! *Note: Although we provide high-precision algorithms, due to the limitations of hardware specifications of mobile devices such as mobile phones, it cannot completely replace professional equipment. The data is for reference only. Get subscription content: 1. Pure and ad-free 2. The decibel test is more sensitive and accurate 3. Free access to all toolkits *Our standard subscription options are: Provide continuous subscription after VIP free trial, VIP continuous weekly subscription, VIP continuous monthly subscription, and VIP continuous subscription annual subscription options. During the subscription period, you can permanently say goodbye to the interruption of advertisements; the decibel test is more sensitive and accurate; all toolkits are used for free; the priority experience of more functions is obtained. * Subscription fees will be charged to your iTunes account at confirmation of purchase and at the beginning of each renewal cycle. Subscriptions that include a free trial period will automatically renew to a paid subscription. You can cancel your subscription or free trial in iTunes settings at least 24 hours before the end of the free trial period. Cancellation of subscription will take effect after the last day of the current subscription period. Once the cancellation of subscription takes effect, your subscription service rights will become invalid. Privacy Policy: ttps://pages.flycricket.io/fen-bei-ce-shi-yi/privacy.html User Agreement: https://pages.flycricket.io/fen-bei-ce-shi-yi/terms.html
SIFDC环控
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iLabService释普科技的【SIFDC环控】,为用户提供实时查看监控数据,快速处理异常报警的功能
Screenshots
Verdict
The clearest difference is in-app purchases: SIFDC环控 at none against Decibel Meter's 9. SIFDC环控 also leads on ads (none vs shown) and iOS requirement (11.0 vs 13). Decibel Meter's advantage is update cadence (every 2 weeks vs every 28 months). 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. Decibel Meter sells 8 in-app purchases, starting at $1.99 per 7 days. SIFDC环控 asks for nothing beyond the download.
Decibel Meter ships an update every 2 weeks, SIFDC环控 every 28 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.
| Parameter | Decibel Meter | SIFDC环控 |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (907 ratings) — better | — |
| Positive reviews | 56.8% of reviews | — |
| Number of ratings | 907 — better | — |
| Update frequency | Every 2 weeks — better | Every 28 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13 | 11.0 — better |
| Further details — not scored | ||
| Size | 107 MB | 42 MB |
| Age rating | 4+ | 4+ |
| Developer | 文波 曾 | 释普科技(上海)有限公司 |
Bugs and requests
Decibel Meter
Reported bugs
4 issues- Decibel readings capped at 90 dB
- Displaying incorrect address information
- Crashing or freezing on launch
- Showing 70 dB in a completely silent room
Requested features
3 requests- Landscape mode for iPad
- Ability to detect sounds above 90 dB
- Option to disable ads or switch to a paid version
SIFDC环控
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Decibel Meter
- Free trail then subscribe3 Days trial$1.997 Days
- 分贝测试仪专业版2 variants$2.993 Months
- 分贝仪专业版3 Days trial$2.997 Days
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- 分贝测试仪专业版$4.496 Months
- Pro Monthly Subscription3 Days trial$5.491 Month
- 分贝测试仪专业版$25.991 Year
- Remove advertisement$0.99
- 终身尊享权益$29.99
SIFDC环控
No in-app purchases









