Comparison

Noise Recorder vs Plain|騒音を検知して環境音を自動再生

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Noise Recorder

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Measure environmental noise, record audio and video, and create PDF reports you can review and share. Noise Recorder - Pro combines a decibel meter, audio and video recording, and shareable reports. Keep a record of noise at home, at work or in other everyday settings, then revisit the sound and images whenever you need to. MEASURE AND RECORD • See current, minimum, average, and maximum decibel readings. • Record audio, or capture video with decibel readings and timestamps overlaid. • Inspect sound-level changes on charts with precise point selection, zooming and panning. REVIEW AND SHARE • Browse your recording history, preview saved videos with thumbnails, and play back audio and video. • Add notes to remember the context of each recording. • Review daily summaries of your saved recordings, including average and maximum readings, in the noise calendar and monthly charts. • Find saved recordings by note, decibel range or date. • Export PDF reports, share audio files, and save recorded videos to Photos. • Change the app language in Settings and see the interface update immediately. • Measurements and recordings are saved locally on your device. No app account is required. FREE AND PRO The free version includes 3 recordings per day, up to 15 seconds each. Pro removes the daily recording limit and the time limit for individual audio and video recordings. Actual recording duration depends on the storage available on your device. Choose a monthly subscription for Pro access while your subscription is active, or make a one-time purchase for lifetime Pro access. Both options offer the same Pro recording benefits. Readings are estimates and may vary with your device and surroundings. The app does not replace a calibrated sound level meter. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Plain|騒音を検知して環境音を自動再生

Features
Read full description

Plain は、周囲の音量を検知し、一定以上うるさくなったときだけ環境音を再生するアプリです。 乾燥機音や換気扇音のようなシンプルな音で、気になる生活音をやわらげ、作業や勉強に集中しやすい環境づくりをサポートします。 主な機能 ・騒音を検知して自動再生 ・DRY / VENT の2種類の音を選択可能 ・感度を3段階で調整可能 ・必要なときは手動再生にも対応 ・黒ベースの静かなミニマルUI Plain は必要なときだけ音で環境を整え、集中しやすい空気をつくることを目指しています。

Screenshots

Noise Recorder4 screens
Plain|騒音を検知して環境音を自動再生4 screens

Verdict

The call

The clearest difference is in-app purchases: Plain|騒音を検知して環境音を自動再生 at none against Noise Recorder's 2. Plain|騒音を検知して環境音を自動再生 also leads on update cadence (weekly vs every 5 months). Noise Recorder's advantage is iOS requirement (17.0 vs 26.2). On price, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Noise Recorder sells 2 in-app purchases, starting at $0.99 per month. Plain|騒音を検知して環境音を自動再生 asks for nothing beyond the download.

UpkeepUpdate frequency

Noise Recorder ships an update every 5 months, Plain|騒音を検知して環境音を自動再生 weekly. The most recent releases landed on October 25, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 3 level
Noise Recorder versus Plain|騒音を検知して環境音を自動再生: the parameters behind the verdict, then further details
ParameterNoise RecorderPlain|騒音を検知して環境音を自動再生
PriceFreeFree
Update frequencyEvery 5 monthsWeekly — better
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better26.2
Further details — not scored
Size5 MB12 MB
Age rating4+4+
Developer凯 郭KIICHI STUDIO

In-app purchases

2 purchases

Noise Recorder

Subscriptions1
  • Monthly Subscription$0.991 Month
One-time1
  • One-time purchase$7.99
None

Plain|騒音を検知して環境音を自動再生

No in-app purchases

Questions

Is Noise Recorder free?
Noise Recorder is free to download, with in-app purchases available.
Is Plain|騒音を検知して環境音を自動再生 free?
Plain|騒音を検知して環境音を自動再生 is free to download, with no in-app purchases.
Do Noise Recorder or Plain|騒音を検知して環境音を自動再生 have ads?
Neither Noise Recorder nor Plain|騒音を検知して環境音を自動再生 shows ads.
Which is updated more often, Noise Recorder or Plain|騒音を検知して環境音を自動再生?
Noise Recorder ships an update every 5 months, and Plain|騒音を検知して環境音を自動再生 weekly. Most recently, Noise Recorder was updated on October 25, 2026 and Plain|騒音を検知して環境音を自動再生 on October 14, 2026.

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