Comparison

Oshi Fan Log vs ReLog

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

Head to head
About

Oshi Fan Log

This app helps you organize and track all information about your favorite artists, idols, or characters. It automatically collects discography, news, releases, and merchandise, and provides calendar reminders for important dates. Personalize your experience and earn badges as you deepen your fandom.

Highlights
  • Register any favorite artist or character
  • Auto-collect discography, news, and merchandise
  • Anniversary and birthday calendar with notifications
  • Personalized daily digest notifications
  • Earn collectible badges and achievements
  • Home screen widget support
  • Siri and Spotlight integration
Features
Read full description

Your oshi’s schedule, anniversaries, goods, photos, notes, news, and videos — organized in one home per oshi. Oshi Fan Log is a fan activity manager for idols, artists, K-pop groups, VTubers, actors, voice actors, athletes, and any other favorite you support. KEY FEATURES ▸ Schedule and calendar Keep live shows, streams, release dates, and your own plans together. ▸ Anniversary countdowns Track birthdays, debut dates, and the day you became a fan. Check the countdown in the app, widgets, and Apple Watch. ▸ Goods, photos, and personal notes Organize collections, wish lists, memories, and notes separately for each oshi. ▸ News, videos, and official links Jump to the latest information for a registered oshi without rebuilding the same searches every day. ▸ Pilgrimage map Save meaningful places and plan visits on a map. ▸ Same-oshi community Read and post anonymous short messages with people supporting the same oshi. Community surfaces include report, block, and delete-own-post controls. ▸ iPhone, iPad, Apple Watch, and widgets Keep important dates visible across your devices. PLANS • Free: register up to 2 oshi. • Premium: register up to 30 oshi and expand eligible limits. Monthly and yearly localized prices are shown before purchase. Premium is an auto-renewable subscription. Payment is charged to your Apple ID at confirmation and renews unless canceled at least 24 hours before the end of the current period. Manage or cancel it in your Apple ID subscription settings. No login is required. Photos, personal notes, schedules, and private oshi records stay on your device by default. If you choose to enable it in Data Protection, a complete backup is saved to your own private iCloud Drive area. Automatic backup is off by default, and Particles and Waves cannot receive or view the backup contents. Anonymous community posts and pilgrimage comments are stored on our server so they can be shared and moderated. This is an unofficial fan app. Rights to third-party content remain with their respective owners. Do not use the app for rights-infringing sale or distribution. Privacy Policy: https://www.particlesandwaves.org/en/oshi/ Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ReLog

Features
Read full description

【 ReLog(リログ)とは? 】 ReLogは、日々の「気持ち」や「出来事」を手軽に書き残すための、シンプルで使いやすい感情記録アプリです。 なんだか嬉しかったことも、ちょっと落ち込んだことも。 あなたのいまの気分を可愛い絵文字と星の評価で記録して、自分だけの特別なログを残しましょう。 【 主な機能一覧 】 ■ 今の気分をサッと記録! 日記のタイトル、テキストはもちろん、「喜・怒・哀・楽・無」の5つの絵文字と、1〜5つの「星」でその日の出来事を直感的に評価できます。 ■ 写真も一緒に残せる! 言葉だけでは足りない気分も、その瞬間に撮った写真やカメラロールの画像を最大3枚まで添付して記録できます。 ■ 自由なカテゴリ分類! 「仕事」「プライベート」「趣味」などのデフォルトカテゴリに加えて、自分だけの好きな「カスタムカテゴリ」を自由に作成して割り当てることができます。 ■ 便利な絞り込み(フィルター)機能! カレンダーでの日付検索はもちろん、「星の数」「絵文字の気分」「カテゴリ」を組み合わせて、過去の記録をサクサク振り返ることができます。 ■ 月末レポート機能! 「今月はどんな1ヶ月だったかな?」 月が替わったら、自動生成されるレポート機能をチェック。その月に一番多かった気分や、平均的な星の評価などが一目でグラフ化され、楽しく自分自身を振り返ることができます。 ■ あなた好みのデザインテーマ! ナチュラル、ポップ、クリアの3つのテーマカラーを搭載。その日の気分や好みに合わせて、アプリ全体の雰囲気をいつでも切り替えられます。 嬉しい日も、そうじゃない日も。 ReLogで自分の気持ちに寄り添い、毎日を少しだけ大切にしてみませんか?

Screenshots

Oshi Fan Log4 screens
ReLog4 screens

Verdict

The call

The clearest difference is in-app purchases: ReLog at none against Oshi Fan Log's 2. ReLog also leads on iOS requirement (13.0 vs 16.0). Oshi Fan Log's advantage is ads (none vs shown). On price, update cadence 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. Oshi Fan Log sells 2 in-app purchases, starting at $0.49 per month. ReLog asks for nothing beyond the download.

UpkeepUpdate frequency

Oshi Fan Log ships an update every 3 days, ReLog every 2 days. The most recent releases landed on October 26, 2026 and October 25, 2026 respectively.

Scorecard3 real differences · 7 level
Oshi Fan Log versus ReLog: the parameters behind the verdict, then further details
ParameterOshi Fan LogReLog
PriceFreeFree
Rating4.0 (2 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 3 daysEvery 2 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS16.013.0 — better
Further details — not scored
Size38 MB30 MB
Age rating12+4+
DeveloperParticles and Wavesnoriaki takezawa

In-app purchases

2 purchases

Oshi Fan Log

Subscriptions2
  • プレミアムプラン(月額)14 Days trial$0.491 Month
  • Premium Plan (Yearly)14 Days trial$5.991 Year
None

ReLog

No in-app purchases

Questions

Is Oshi Fan Log free?
Oshi Fan Log is free to download, with in-app purchases available.
Is ReLog free?
ReLog is free to download, with no in-app purchases.
Do Oshi Fan Log or ReLog have ads?
ReLog shows ads; Oshi Fan Log does not.
Which is updated more often, Oshi Fan Log or ReLog?
Oshi Fan Log ships an update every 3 days, and ReLog every 2 days. Most recently, Oshi Fan Log was updated on October 26, 2026 and ReLog on October 25, 2026.

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