Comparison

MahjongDiary vs compounds

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

Head to head
About

MahjongDiary

Features
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Smarter scorekeeping and session logging for mahjong. Enter raw points and we'll calculate scores, ranks, and your balance automatically. Record tips and table fees with each game so you always know your true profit and loss. Build a clear history of your play—compare players with tag rankings, and review friends' published results when they share them with you. Key features • Auto-calculate scores & ranks from raw points Just enter the points—final scores, ranks, and balances are computed instantly. No more manual math. • Full balance tracking Include tips and table fees so your totals reflect real wins and losses. • Visualize your results See monthly and yearly balance charts and average ranks. Break down four-player and three-player games separately. • Tag stats & rankings Group friends and guests with tags, then rank them by balance, average rank, top rate, last avoidance rate, and more. Filter by period, game style, and minimum number of games. • Friends' stats View the monthly, yearly, and all-time stats friends publish for you, or check the games recorded on your own device. Visibility is under each player's control—public to friends or hidden. • Easy friend adds with QR codes Show your QR code or scan theirs to send a friend request. Account ID search is supported too. • Friend sharing for games Add friends and share game data. Manage your own sessions and join games shared with you. • Simple guest player registration Register table mates as guests and organize them with tags. • Saved default rules Keep often-used uma, oka, tip rates, and more so setup stays quick. • Account sign-in Sign in with Apple or email so your data stays safe and synced across devices. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

compounds

Features
Read full description

複利計算を簡単に行えるアプリです。 【主な機能】 • 初期投資額、年利率、運用期間を設定して複利計算 • 月間積立額の設定で積立投資の計算も可能 • 計算結果の保存・管理機能 • 直感的なUIで誰でも簡単に使用可能 • 計算履歴の確認・編集・削除 【こんな方におすすめ】 • 投資を始めたい方 • 老後資金の準備を考えている方 • 複利の効果を確認したい方 • 資産運用のシミュレーションをしたい方 • 積立投資の計画を立てたい方 【使用例】 • 老後資金の準備計画 • 教育資金の積立計画 • 投資信託の運用シミュレーション • 定期預金との比較検討 複利の力で資産を増やしましょう!

Screenshots

MahjongDiary4 screens
compounds3 screens

Verdict

The call

The clearest difference is ads: compounds at none against MahjongDiary's shown. On price, update cadence, in-app purchases 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. MahjongDiary sells 1 in-app purchase, starting at $0.99 per month and compounds sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

MahjongDiary ships an update every 4 days, compounds weekly. The most recent releases landed on October 11, 2026 and September 28, 2026 respectively.

Scorecard1 real difference · 5 level
MahjongDiary versus compounds: the parameters behind the verdict, then further details
ParameterMahjongDiarycompounds
PriceFreeFree
Update frequencyEvery 4 days — betterWeekly
AdsYesNo — better
In-app purchasesYesYes
DevicesiPhone, iPad — betteriPhone
Requires iOS17.6 — better18.4
Further details — not scored
Size26 MB10 MB
Age rating4+4+
DeveloperDaichi ItokazuKenta Fujiwara

In-app purchases

1 purchases

MahjongDiary

Subscriptions1
  • Remove ADs$0.991 Month
1 purchases

compounds

One-time1
  • プレミアムプラン$1.99

Questions

Is MahjongDiary free?
MahjongDiary is free to download, with in-app purchases available.
Is compounds free?
compounds is free to download, with in-app purchases available.
Do MahjongDiary or compounds have ads?
MahjongDiary shows ads; compounds does not.
Which is updated more often, MahjongDiary or compounds?
MahjongDiary ships an update every 4 days, and compounds weekly. Most recently, MahjongDiary was updated on October 11, 2026 and compounds on September 28, 2026.

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