Comparison

BAL CHARGER vs System Sound

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

Head to head

About

BAL CHARGER

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12Vバッテリー充電器「COMPACT CHARGER 3A 6A 」専用のアプリです。本体とスマートフォンをBluetooth®で接続することにより、パッテリータイプの選択や充電電流の設定の操作ができ、また充電中の電圧や電流の状態をリアルタイムで確認することができます。 Bluetooth®ワードマークおよびロゴは登録商標であり、Bluetooth SIG, Inc. が所有権を有します。大橋産業株式会社は使用許諾の下でこれらのマークおよびロゴを使用しています。

About

System Sound

Features

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Plays the system sound specified by the system sound ID.

Screenshots

BAL CHARGER4 screens

System Sound1 screens

Verdict

The call

The clearest difference is ads: BAL CHARGER at none against System Sound's shown. System Sound's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, in-app purchases, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

BAL CHARGER ships an update every 5 weeks, System Sound every 2 weeks. The most recent releases landed on November 8, 2026 and November 4, 2026 respectively.

Scorecard2 real differences · 4 level

BAL CHARGER versus System Sound: the parameters behind the verdict, then further details
Parameter	BAL CHARGER	System Sound
Price	Free	Free
Update frequency	Every 5 weeks	Every 2 weeks — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	14.0 — better	15.8.3
Further details — not scored
Size	16 MB	36 MB
Age rating	17+	4+
Developer	彦杰张	Hideaki Uchikoshi

In-app purchases

None

BAL CHARGER

No in-app purchases

None

System Sound

No in-app purchases

Questions

Is BAL CHARGER free?

BAL CHARGER is free to download, with no in-app purchases.

Is System Sound free?

System Sound is free to download, with no in-app purchases.

Do BAL CHARGER or System Sound have ads?

System Sound shows ads; BAL CHARGER does not.

Which is updated more often, BAL CHARGER or System Sound?

BAL CHARGER ships an update every 5 weeks, and System Sound every 2 weeks. Most recently, BAL CHARGER was updated on November 8, 2026 and System Sound on November 4, 2026.