Past Events vs 音感チェック
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Past Events
Track the time elapsed since significant past events. Add custom events and visualize the time that has passed since they occurred. A simple utility for reflecting on history.
- Track elapsed time from past events
- Add custom events
- Visualize time passed
- Simple utility interface
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Track the time passed since your special events. Register and manage multiple past events 4 display formats: Days & Hours, Weeks & Days, Months & Days, Years & Months Real-time elapsed time calculation
音感チェック
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発声・楽器の音・音楽などの音を聴き確認しながら音階をチェック! アプリを起動してから音をチェックしていますので、すぐに音を確認できます。 ※本アプリは音を録音した後、アプリ内で解析し音階・ボリューム等を抽出し表示しております。
Screenshots
Verdict
The clearest difference is in-app purchases: 音感チェック at none against Past Events's 1. 音感チェック also leads on ads (none vs shown) and iOS requirement (12.0 vs 15.6). 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. Past Events sells 1 one-off in-app purchase. 音感チェック asks for nothing beyond the download.
| Parameter | Past Events | 音感チェック |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (8 ratings) — better | — |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 25 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 12.0 — better |
| Further details — not scored | ||
| Size | 25 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | tadashi atoji | TETSUYA UTSUMI |
In-app purchases
Past Events
- Full version$2.99
音感チェック
No in-app purchases









