Comparison

Onga9 vs 吸音材ナビ 残響・RT60測定

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

Head to head
About

Onga9

Features
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Onga9 is a music logging app for keeping a record of the albums you listen to. FEATURES - Rate albums from 0.5 to 5 stars, and write reviews and comments - Organize albums on your "Listened" and "Want to Listen" shelves - Connect Apple Music and your most-played albums appear as logging suggestions - "Today's 3 Albums" refreshes daily to give you something new to play - Share your monthly best 9, reviews, and profile as image cards on social media - Get notified when an album on your "Want to Listen" shelf is released - A "music animal" avatar determined by your birthday - Reviews and comments connect you with users in Japanese, English, and Traditional Chinese The more you log, the clearer your listening history becomes. Monthly digests and year-end best lists give you reasons to keep the record going. Make Onga9 the home for your album a day.

About

吸音材ナビ 残響・RT60測定

Features
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「録った声がこもる」「部屋が響きすぎる」——その原因、数字で確かめてみませんか? 吸音材ナビは、拍手一発で部屋の残響時間(RT60)を測定し、宅録・配信に適した響きかどうかを判定するアプリです。吸音材を買う前に、あなたの部屋に本当に必要な量と貼る場所がわかります。 ■ 使い方はかんたん 1. 部屋の中央でアプリを起動 2. 手を1回、強く叩く 3. 減衰カーブと残響時間(RT60)が表示され、用途別の判定が出ます ■ 無料でできること ・残響時間(RT60)の測定(回数無制限) ・低域・中域・高域の帯域別表示 ・配信/ボーカル録音/ミックスの用途別判定と解釈 ・複数回測定のばらつき表示 ■ Pro(買い切り)で解放 ・必要な吸音材の量(平米・枚数・材料別換算) ・貼る場所の配置ガイド(マイク正面・一次反射点など) ・予算目安 ・PDFレポート出力 ・測定履歴の保存とBefore/After比較(貼る前後の効果を数値で確認) ■ ご注意 本アプリは部屋の中の響き(吸音)を測定するアプリです。壁の遮音性能(外への音漏れ)は測定できません。音漏れが気になる方は同じ開発者の「音漏れチェッカー Otomore」をご利用ください。 測定はiPhone内蔵マイクによる簡易測定で、お部屋の傾向を知るための目安です。業務用測定器の代替ではありません。音声は端末内でのみ解析され、保存・送信されることはありません。

Screenshots

Onga94 screens
吸音材ナビ 残響・RT60測定4 screens

Verdict

The call

The clearest difference is in-app purchases: Onga9 at none against 吸音材ナビ 残響・RT60測定's 1. Onga9 also leads on update cadence (every 3 days vs monthly). On price, ads, 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. 吸音材ナビ 残響・RT60測定 sells 1 one-off in-app purchase. Onga9 asks for nothing beyond the download.

UpkeepUpdate frequency

Onga9 ships an update every 3 days, 吸音材ナビ 残響・RT60測定 monthly. The most recent releases landed on September 28, 2026 and September 18, 2026 respectively.

Scorecard2 real differences · 4 level
Onga9 versus 吸音材ナビ 残響・RT60測定: the parameters behind the verdict, then further details
ParameterOnga9吸音材ナビ 残響・RT60測定
PriceFreeFree
Update frequencyEvery 3 days — betterMonthly
AdsNoNo
In-app purchasesNo — betterYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size13 MB2 MB
Age rating4+4+
DeveloperKenta TerunumaShuhei Yamamoto

In-app purchases

None

Onga9

No in-app purchases

1 purchases

吸音材ナビ 残響・RT60測定

One-time1
  • Pro(買い切り)$9.99

Questions

Is Onga9 free?
Onga9 is free to download, with no in-app purchases.
Is 吸音材ナビ 残響・RT60測定 free?
吸音材ナビ 残響・RT60測定 is free to download, with in-app purchases available.
Do Onga9 or 吸音材ナビ 残響・RT60測定 have ads?
Neither Onga9 nor 吸音材ナビ 残響・RT60測定 shows ads.
Which is updated more often, Onga9 or 吸音材ナビ 残響・RT60測定?
Onga9 ships an update every 3 days, and 吸音材ナビ 残響・RT60測定 monthly. Most recently, Onga9 was updated on September 28, 2026 and 吸音材ナビ 残響・RT60測定 on September 18, 2026.

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