SoundEffect App vs ○× Buzzer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SoundEffect App
Record and organize a vast library of sound effects. Play sounds based on your gestures, creating a personalized audio experience. Access a diverse collection of over 350 sound effects.
- 350+ sound effects
- Create custom sound effect lists
- Play sound effects via gestures
- Organize sound effects
Read full descriptionHide full description
Apps that recorded about 350 types of sound effects. ■ What you can do · Create your own sound effects list · Play sound effects according to gestures ■Credit SE Material『OtoLogic』(https://otologic.jp/)
○× Buzzer
Read full descriptionHide full description
"○× Buzzer" is an app that displays a correct "○" and makes a "ping pong" sound, and displays an incorrect "×" and makes a "beep" sound. It can also be controlled using your Apple Watch.
Screenshots
Verdict
The clearest difference is in-app purchases: ○× Buzzer at none against SoundEffect App's 4. ○× Buzzer also leads on update cadence (weekly vs fortnightly) and device support (4 vs 2). On price and ads 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. SoundEffect App sells 4 one-off in-app purchases. ○× Buzzer asks for nothing beyond the download.
SoundEffect App ships an update fortnightly, ○× Buzzer weekly. The most recent releases landed on October 12, 2026 and October 7, 2026 respectively.
| Parameter | SoundEffect App | ○× Buzzer |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (30 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 30 — better | — |
| Update frequency | Fortnightly | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 16.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 100 MB | 10 MB |
| Age rating | 4+ | 4+ |
| Developer | Tomohiro Ohwada | Legal Prompt Inc. |
In-app purchases
SoundEffect App
- Banner ad removal.$1.99
- App development support$1.99
- Fullscreen ad removal.$1.99
Show 1 moreShow fewer
- All Ads removal And Support$4.99
○× Buzzer
No in-app purchases
