Comparison

back number vs SonicOn｜行きたいライブが見つかる！

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

Head to head

SonicOn｜行きたいライブが見つかる！

Free

🎵 Music

★ 5.01 ratingsView app →

About

back number

Access the latest news and exclusive content from a popular music artist. Enjoy member-only movies and blog posts, all within a dedicated fan community app.

Highlights

Latest artist information
Fan club exclusive movies
Member-only blog posts
Official app content

Features

Read full description

This is back number official app. In this app, you can enjoy various contents such as back number latest information, official fan club "one room" member exclusive movie and member blog.

About

SonicOn｜行きたいライブが見つかる！

Discover live music events tailored to your taste. Connect your streaming service to receive personalized concert alerts for your favorite artists. Never miss a ticket again with consolidated information from major ticketing platforms.

Highlights

Personalized concert alerts
Connects with Spotify/Apple Music
Aggregates ticket site info
Artist-based event notifications
Ticket purchase reminders

Features

Read full description

行きたいライブが見つかるアプリSonicOn(ソニックオン)です。 SpotifyやAppleMusicと連携することで、あなたが好きなアーティストのライブ情報をお届けします。主要なチケットサイトの情報をまとめているので、このアプリ１つでもうチケット見逃しや買い忘れとはおさらば！ライブでしか味わえない生の感動を体験しよう！

Screenshots

back number2 screens

SonicOn｜行きたいライブが見つかる！4 screens

Verdict

The call

The clearest difference is review sentiment: SonicOn｜行きたいライブが見つかる！ at 70% against back number's 21%. SonicOn｜行きたいライブが見つかる！ also leads on in-app purchases (none vs 2). On price, update cadence, ads 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. back number sells 2 in-app purchases, starting at $3.99 per month. SonicOn｜行きたいライブが見つかる！ asks for nothing beyond the download.

UpkeepUpdate frequency

back number ships an update every 6 weeks, SonicOn｜行きたいライブが見つかる！ every 3 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

Scorecard3 real differences · 7 level

back number versus SonicOn｜行きたいライブが見つかる！: the parameters behind the verdict, then further details
Parameter	back number	SonicOn｜行きたいライブが見つかる！
Price	Free	Free
Rating	—	5.0 (1 ratings) — better
Positive reviews	21.2% of reviews	70.0% of reviews — better
Number of ratings	—	1 — better
Update frequency	Every 6 weeks	Every 3 weeks — better
Ads	No	No
In-app purchases	Yes	No — better
Monetization	Free with in-app purchases	Free — better
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.0	15.0
Further details — not scored
Size	161 MB	160 MB
Age rating	4+	4+
Developer	Fanplus, Inc.	THECOO

Customer experience

back number

Written reviews52 reviews

Positive21.2%

Neutral7.7%

Negative71.2%

SonicOn｜行きたいライブが見つかる！

All ratings1 ratings

Positive100.0%

Neutral0.0%

Negative0.0%

Written reviews20 reviews

Positive70.0%

Neutral15.0%

Negative15.0%

In-app purchases

2 purchases

back number

Subscriptions2

「one room」月額会員$3.991 Month
「back number」月額会員$6.001 Month

None

SonicOn｜行きたいライブが見つかる！

No in-app purchases

Questions

Is back number free?

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

Is SonicOn｜行きたいライブが見つかる！ free?

SonicOn｜行きたいライブが見つかる！ is free to download, with no in-app purchases.

Do back number or SonicOn｜行きたいライブが見つかる！ have ads?

Neither back number nor SonicOn｜行きたいライブが見つかる！ shows ads.

Which is updated more often, back number or SonicOn｜行きたいライブが見つかる！?

back number ships an update every 6 weeks, and SonicOn｜行きたいライブが見つかる！ every 3 weeks. Most recently, back number was updated on October 14, 2026 and SonicOn｜行きたいライブが見つかる！ on October 16, 2026.