Comparison

Lトーーク vs Anniversary Tracker

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

Head to head
About

Lトーーク

Analyze and summarize your LINE chat history. Discover your first conversation date, total character count, longest call duration, and more. Supports group chats and open chats. Works even without LINE installed if you have a chat history text file.

Highlights
  • Analyze LINE chat history
  • Summarize conversations
  • Calculate total characters
  • Track longest call duration
  • Supports group chats
  • Supports open chats
  • Works with chat history text files
Read full description

LトーークはLINEのトーク履歴の分析・集計・まとめアプリです。 ・最初にやりとりした日は? ・今までの総文字数は? ・今までの最長通話時間は? などなど、簡単操作で分析できます! グループLINEやオープンチャットにも対応してます(^^) ■使い方 1. LINEアプリを起動し、分析したい相手orグループを選択 2. 「メニュー」>「設定」>「トーク履歴を送信」>を選択 3. 「Lトーーク」を選択 > 読み込みスタート! トーク履歴のテキストファイルがあれば、LINEがインストールされてなくても使えます! ■注意事項 本アプリは非公式アプリです。しがない日本の個人アプリ開発者が一人で作っています。 LINEのトーク履歴を解析しておりますが、トーク履歴・解析結果を外部などに送信は行っておらず、すべて端末内で処理・保存されますので、ご安心してご利用ください。 LINEのテキストバックアップの仕様により、スタンプ・画像などの表示には非対応となります。 トーク履歴が多い場合、読み込みに時間がかかる場合がございます。 ※「LINE」はLINE株式会社の商標または登録商標です。

About

Anniversary Tracker

This app helps couples and fans track important relationship dates and milestones. It allows you to count days together, set reminders for anniversaries, and save precious memories with photos and notes. Keep your special moments safe with passcode protection.

Highlights
  • Anniversary counter
  • Milestone highlighting
  • Personal diary entries
  • Photo and note saving
  • Customizable backgrounds and fonts
  • Passcode protection
Features
Read full description

Make every special day with your loved one even more meaningful. Make every special day with your loved one even more meaningful. Koi Diary is a simple and cute relationship day counter app that helps you track anniversaries, celebrate milestones, and save precious memories — for couples and fandom moments alike. Count how many days you’ve been together, check how many days remain until your next anniversary, or record important dates like the day you fell in love, became a fan, or your favorite artist’s debut day. Every day becomes a moment worth remembering. How many days have you been together? How many days until your next special milestone? With Koi Diary, you’ll never miss what matters most. 【Main Features】 ■ Anniversary Counter ・Count days since you started dating or days until your next anniversary ・Switch between days / weeks / months / years with a single tap ・Customize backgrounds and icons using built-in wallpapers or your own photos ・Change text colors and fonts to create a screen that feels truly yours ■ Special Milestones ・Automatically highlights special dates such as 100 days, 1,000 days, repeating numbers, monthly and yearly anniversaries ・Easily check how many days remain until each milestone ■ Personal Diary ・Save memories from dates, daily life, or fan events ・Each entry shows how many days have passed since your chosen anniversary ・Add photos and notes to keep your memories like a private album ■ Secure & Private ・Protect your diary with a 4-digit passcode ・Your personal memories stay safe and private Perfect for you if: ・You enjoy counting relationship days ・You don’t want to forget important anniversaries ・You want to keep memories in a cute and simple way ・You’re looking for a romantic but easy-to-use diary app Turn your everyday moments into shining memories with Koi Diary Terms of Use https://koisurudiary.com/terms Privacy Policy https://koisurudiary.com/privacy Contact https://koisurudiary.com/contact EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Lトーーク4 screens
Anniversary Tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: Lトーーク at none against Anniversary Tracker's 2. Anniversary Tracker's advantage is update cadence (weekly vs every 3 weeks) and review sentiment (89% vs 79%). 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. Anniversary Tracker sells 2 in-app purchases, starting at $3.99 per month. Lトーーク asks for nothing beyond the download.

UpkeepUpdate frequency

Lトーーク ships an update every 3 weeks, Anniversary Tracker weekly. The most recent releases landed on September 28, 2026 and October 26, 2026 respectively.

Scorecard4 real differences · 4 level
Lトーーク versus Anniversary Tracker: the parameters behind the verdict, then further details
ParameterLトーークAnniversary Tracker
PriceFreeFree
Positive reviews79.2% of reviews88.9% of reviews — better
Update frequencyEvery 3 weeksWeekly — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size42 MB93 MB
Age rating4+12+
DeveloperHironori TsumurayaKobayashi Ryotaro

Customer experience

Lトーーク

Written reviews48 reviews
Positive79.2%
Neutral10.4%
Negative10.4%

Anniversary Tracker

Written reviews9 reviews
Positive88.9%
Neutral0.0%
Negative11.1%

Bugs and requests

Lトーーク

Reported bugs

11 issues
  • Group LINE call duration not reflected
  • Call history not displayed
  • Stamp history not displayed
  • Recent messages not updating
  • PC chat history not supported
Show 6 more
  • Cannot see unsend messages
  • App freezes after LINE use
  • One-sided chat history not supported
  • Data loading errors ('読み込めませんでした')
  • Chat history split into segments
  • UI changed, less intuitive for some users

Requested features

13 requests
  • Support PC chat history
  • Reflect group LINE call duration
  • Add unsend message viewing
  • Implement refresh for recent messages
  • Add date/keyword search for chat history
Show 8 more
  • Support file transfer name changes
  • Add calendar function for date search
  • Display word frequency rankings
  • Show average call duration per call
  • Display frequent words
  • Show individual chat counts per group member
  • Improve UI for easier navigation
  • Support for multiple LINE accounts

Anniversary Tracker

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Lトーーク

No in-app purchases

2 purchases

Anniversary Tracker

Subscriptions1
  • Premium Plan (1 Month)$3.991 Month
One-time1
  • Premium Plan (Lifetime)$14.99

Questions

Is Lトーーク free?
Lトーーク is free to download, with no in-app purchases.
Is Anniversary Tracker free?
Anniversary Tracker is free to download, with in-app purchases available.
Do Lトーーク or Anniversary Tracker have ads?
Both Lトーーク and Anniversary Tracker show ads.
Which is updated more often, Lトーーク or Anniversary Tracker?
Lトーーク ships an update every 3 weeks, and Anniversary Tracker weekly. Most recently, Lトーーク was updated on September 28, 2026 and Anniversary Tracker on October 26, 2026.

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