dB Meter Pro vs 30minTimer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
dB Meter Pro
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【こだわりのポイント】 オーディオコンポ・スタイル: 往年のオーディオ機器のような、セグメント表示のインジケーターと美しいグロー効果(発光)を再現しました。 深夜の住宅街やカフェなど、周囲の騒音レベルが気になる時に。 開発者メッセージ 個人開発者として、機能性はもちろん「使っていて心地よいデザイン」に徹底的にこだわりました。かつてのオーディオ・コンポが持っていた、あのワクワクするメカニカルな質感を、あなたのiPhoneでぜひ体感してください。
30minTimer
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English Stop saying, “Wait, is it already this late?” An app that creates meaningful time checkpoints throughout your day. When you're focused on work, 30 minutes or even an hour can disappear in the blink of an eye. Before you know it, you're buried in emails until the last minute before a meeting, miss lunch, or lose track of when it's time to finish work. A simple hourly chime isn't enough for busy professionals. This app notifies you only at the times that matter to you, helping you create intentional breaks and stay in control of your schedule. Perfect for people who: Lose track of time when concentrating Want to check progress every 30 minutes or every hour Need reminders before meetings, breaks, or the end of the workday Find phone alarms too disruptive but don't want to keep checking the clock Features Freely select notification hours (0–23) One-tap work schedule setup (e.g., 9 AM–6 PM) Set notifications at specific minutes each hour (e.g., every hour at :30) Choose your notification sound, from subtle tones to energetic voice alerts Automatic daily repetition after setup Simple and intuitive design — setup takes about 30 seconds Use it your way Create mini-deadlines every 30 minutes to stay focused Get a reminder at the top of every hour to stretch and reset Receive notifications at 5 PM or 6 PM to avoid unnecessary overtime Build a healthier routine while working from home Don't let time control you. Break your day into meaningful moments and make time work for you. Start reclaiming your rhythm today.
Screenshots
Verdict
The clearest difference is update cadence: 30minTimer at weekly against dB Meter Pro's every 3 weeks. 30minTimer also leads on iOS requirement (18.5 vs 26.5). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
dB Meter Pro ships an update every 3 weeks, 30minTimer weekly. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.
| Parameter | dB Meter Pro | 30minTimer |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 26.5 | 18.5 — better |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Kouki Yoshimoto | hidenobu akiyoshi |
In-app purchases
dB Meter Pro
No in-app purchases
30minTimer
No in-app purchases









