OtoCanvas vs MP3 Trimmer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OtoCanvas
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OtoCanvas は、端末内の音声ファイルを波形で確認しながら編集できるオンデバイス音声エディタです。 録音素材の不要部分を切り取りたいとき、音量を上げたいとき、雑音を抑えて聞き取りやすくしたいとき、書き出し形式を変えたいときに、ひとつのアプリでまとめて作業できます。 主な機能: - 波形表示とドラッグ操作による範囲選択 - カット / トリミング - FFT / Non-local Means によるノイズリダクション - ハイパス / ローパス / 3 バンド EQ - ゲイン調整、ラウドネス正規化、クリップ防止リミッター - 無音検知と無音一括削除 - テンポ変更、フェードイン / フェードアウト、エコー - WAV / MP3 / M4A / FLAC / OGG / AAC への書き出し こんな用途に向いています: - 音声素材の編集 - 会議録音やインタビュー音声の整理 - ナレーションや読み上げ素材の簡易調整 - ポッドキャストや配信用素材の下処理 - フィールドレコーディングの切り出しと整音
MP3 Trimmer
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MP3 Trimmer helps you cut audio into the exact section you want to keep. Import a clip from Photos, Files, or a direct URL, then use the waveform editor to choose the start and end points before saving the result. The app is built for practical audio edits: shortening a recording, cutting a song section, preparing a sound bite, cleaning up a voice note, or keeping only the useful part of a longer file. You can preview the selected range, switch between regular cut and middle cut, and make small adjustments with zoom, playback controls, and undo or redo. Edit Audio With Control - Import audio from Photos, Files, or URL - Trim with draggable waveform handles - Use regular cut or middle cut mode - Zoom into the waveform for finer timing - Preview playback before exporting - Undo or redo trim changes while editing Adjust the Output - Change volume before saving - Adjust tempo when needed - Add fade in and fade out - Choose output quality options - Save the finished audio file - Share the result from the export screen Keep Your Clips Organized - View saved audio in History - Preview previous exports - Rename saved clips - Share or delete saved files - Reopen a saved clip for another edit MP3 Trimmer works well for audio notes, music snippets, ringtone-style clips, podcast cuts, study recordings, voice memos, and quick social media sound edits. Most editing happens on your device after you choose the source file. URL import requires network access to download the audio. MP3 Trimmer is free to use. Optional Pro access removes ads, unlocks unlimited trims, and enables all output options. Terms of Use: https://alderpathstudio.github.io/MP3-Trimmer/term-of-use.html Privacy Policy: https://alderpathstudio.github.io/MP3-Trimmer/privacy-policy.html
Screenshots
Verdict
The clearest difference is in-app purchases: OtoCanvas at none against MP3 Trimmer's 4. OtoCanvas also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.0). 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. MP3 Trimmer sells 4 in-app purchases, starting at $2.99 per 7 days. OtoCanvas asks for nothing beyond the download.
| Parameter | OtoCanvas | MP3 Trimmer |
|---|---|---|
| Price | Free | Free |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 14.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 62 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | takashi masuda | Jeny Goentoro |
In-app purchases
OtoCanvas
No in-app purchases
MP3 Trimmer
- 1W$2.997 Days
- 1M$5.991 Month
- 1Y3 Days trial$29.991 Year
- Pro$49.99









