VoicePrinter vs スコラプラス
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
VoicePrinter
Analyze sound and voice in real-time with detailed visual representations. Explore human voices, environmental sounds, music, and more. Offers recording, playback, and import/export features with a premium upgrade.
- Real-time sound visualization
- Human voice analysis
- Environmental sound analysis
- Music analysis
- Recording and playback
- Import/export audio files
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Sound is decomposed into two dimensions and displayed continuously over time. The premium version offers a new style of audio recorder/player. This app can be used for analysis of Human voice, Environmental sound, Sound of animals, musics, etc. The specifications are as follows. Sampling rate = 10000 to 44100 Hz Display maximum frequency = 1000 to 22050 Hz Display time range = 2 to 10 seconds Frequency axis display resolution = 100 Time axis display resolution = 10 / sec From version 1.1, recording, playback, import, and export functions based on sound and voiceprints can be used by in-app purchase. In this case, banners will not be displayed. The premium version allows recording, playback, import of external sound source files, and external output. ・Record under the following conditions Sampling frequency = 10000~44100Hz ・Display audio analysis results under the following conditions (audio is played in sync with the analysis screen) Maximum display frequency (high-pitched display frequency limit) = 1000~22050Hz (half the sampling frequency or less) Display time range (time that can be displayed on one screen) = 2~10 seconds Frequency display resolution (frequency axis: number of data displayed on the vertical axis) = 200 points Time axis display resolution (time axis: display interval (pitch) on the horizontal axis) = 50~200ms (10~200 points) ・Importing external audio source files Imports 16-bit linear PCM mono audio sources. (In the case of stereo, only 1ch is imported.) ・External output Outputs as 16-bit linear PCM mono. *To input and output data to iCloud Drive, you must enable iCloud Drive in System Preferences. *******
スコラプラス
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スコラプラス(Schola+)のご契約施設向け/職員用管理アプリです。 スマホひとつで、現場で必要な確認・登録を“その場で”スムーズに行えます。 主な機能 ・名簿・出欠登録:名簿を見ながら出欠を登録 ・伝言メモ:申し送り事項の追加・確認 ・休講・振替:休講や振替の締め切り設定などの運用管理 ・スケジュール確認:担当クラスの予定や出席状況を確認 ご利用にあたって 本アプリは一般向けのアプリではありません。 ご利用にはスコラプラスのご契約および、施設から案内されるログイン情報が必要です。
Screenshots
Verdict
The clearest difference is in-app purchases: スコラプラス at none against VoicePrinter's 1. スコラプラス also leads on ads (none vs shown) and update cadence (every 3 months vs every 47 months). On price, device support and iOS requirement 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. VoicePrinter sells 1 one-off in-app purchase. スコラプラス asks for nothing beyond the download.
VoicePrinter ships an update every 47 months, スコラプラス every 3 months. The most recent releases landed on November 2, 2026 and October 30, 2026 respectively.
| Parameter | VoicePrinter | スコラプラス |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 47 months | Every 3 months — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.0 — better | 16.0 |
| Further details — not scored | ||
| Size | 5 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | HIROFUMI MARUO | VISH,inc |
In-app purchases
VoicePrinter
- Premium Functions$0.99
スコラプラス
No in-app purchases









