Comparison

赤ちゃんひよこボタンアプリ vs SoundConvert

Q: Is 赤ちゃん ひよこボタン アプリ free?

赤ちゃん ひよこボタン アプリ is free to download, with no in-app purchases.

Q: Do 赤ちゃん ひよこボタン アプリ or SoundConvert have ads?

SoundConvert shows ads; 赤ちゃん ひよこボタン アプリ does not.

Q: Which is updated more often, 赤ちゃん ひよこボタン アプリ or SoundConvert?

赤ちゃん ひよこボタン アプリ ships an update every 2 weeks, and SoundConvert every 6 weeks. Most recently, 赤ちゃん ひよこボタン アプリ was updated on October 10, 2026 and SoundConvert on October 24, 2026.

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

Head to head

Sound file format conversion

Free

🔧 Utilities

★ 5.02 ratingsView app →

About

赤ちゃんひよこボタンアプリ

Features

Read full description

バスや電車、新幹線、飛行機、講演会などの公共の場で赤ちゃんが泣いてるのを見聞きして「泣いていても良いですよ!!」と暗にお伝えできるアプリです。＝＝＝このアプリで優しい気持ちになりましょう＝＝＝ ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆ 閲覧して頂き誠にありがとうございます。 ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆ では、インストールお待ち致しております。 ※画面では広告が入ります。その点、ご了承下さいませ。 ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆ 貴殿のダウンロードお待ちしております。 ◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆◇◆

About

SoundConvert

Easily convert audio files between popular formats like MP3, WAV, M4A, and CAF. Share your converted audio via email, messages, and other apps. Offers a simple interface with dark mode support.

Highlights

MP3 to WAV, M4A, CAF conversion
WAV to M4A, CAF conversion
M4A to WAV, CAF conversion
Share converted files
Simple interface
Dark mode support

Features

Read full description

"SoundConvert" converts the format of a sound file. Supported formats are ---------------------- - .mp3 -> .wav (WAVE) - .mp3 -> .m4a (Apple MPEG4) - .mp3 -> .caf (Apple CoreAudio) - .wav -> .m4a (Apple CoreAudio) - .wav -> .caf (Apple CoreAudio) - .m4a -> .wav (WAVE) - .m4a -> .caf (Apple CoreAudio) ---------------------- Converted files can be shared via email, messages, AirDrop, NoteApp, etc. Enjoy the best experience with a simple and easy-to-understand interface that supports dark mode. This free version "SoundConvert" displays the ad at the top of the screen. If you need the full screen version, please use "SoundConvert+". Terms of service http://zekoo2017.blog.fc2.com/blog-entry-4.html

Screenshots

赤ちゃんひよこボタンアプリ3 screens

SoundConvert4 screens

Verdict

The call

The clearest difference is in-app purchases: 赤ちゃんひよこボタンアプリ at none against SoundConvert's 2. 赤ちゃんひよこボタンアプリ also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 6 weeks). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SoundConvert sells 2 in-app purchases, starting at $4.49 per month. 赤ちゃんひよこボタンアプリ asks for nothing beyond the download.

UpkeepUpdate frequency

赤ちゃんひよこボタンアプリ ships an update every 2 weeks, SoundConvert every 6 weeks. The most recent releases landed on October 10, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level

赤ちゃんひよこボタンアプリ versus SoundConvert: the parameters behind the verdict, then further details
Parameter	赤ちゃんひよこボタンアプリ	SoundConvert
Price	Free	Free
Rating	—	5.0 (2 ratings) — better
Positive reviews	—	50.0% of reviews
Number of ratings	—	2 — better
Update frequency	Every 2 weeks — better	Every 6 weeks
Ads	No — better	Yes
In-app purchases	No — better	Yes
Monetization	—	Free with in-app purchases
Devices	iPhone, iPod — better	iPhone
Requires iOS	9.0 — better	18.6
Further details — not scored
Size	24 MB	6 MB
Age rating	4+	4+
Developer	Takaaki Sasaki	MUTSUAKI KIKUCHI

In-app purchases

None

赤ちゃんひよこボタンアプリ

No in-app purchases

2 purchases

SoundConvert

Subscriptions2

Remove Ads(1month)$4.491 Month
Remove Ads(3month)$12.993 Months

Questions

Is 赤ちゃんひよこボタンアプリ free?

赤ちゃんひよこボタンアプリ is free to download, with no in-app purchases.

Is SoundConvert free?

SoundConvert is free to download, with in-app purchases available.

Do 赤ちゃんひよこボタンアプリ or SoundConvert have ads?

SoundConvert shows ads; 赤ちゃんひよこボタンアプリ does not.

Which is updated more often, 赤ちゃんひよこボタンアプリ or SoundConvert?

赤ちゃんひよこボタンアプリ ships an update every 2 weeks, and SoundConvert every 6 weeks. Most recently, 赤ちゃんひよこボタンアプリ was updated on October 10, 2026 and SoundConvert on October 24, 2026.