MJCalc vs PKDataNavi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MJCalc
This app simplifies Mahjong score calculations with minimal touch input. Designed for efficiency, it aims to make scoring quick and easy for players. Feedback and requests can be submitted via the support page.
- Simplified score calculation
- Minimal touch operations
- Efficient gameplay aid
- Support page for feedback
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シンプルな麻雀の符計算アプリです。 なるべくタッチ操作を少なくして点数計算できるようにしています。 ご意見ご希望はサポートページへお願いします。
PKDataNavi
Analyze Pokémon TCG Pocket matches with an Elo-based matchmaking system and real-time meta deck analysis. Track your battle records, refine strategies with detailed win rate data, and compete in seasonal rankings. A premium plan offers cross-device sync and advanced meta breakdowns.
- Elo-rated matchmaking
- Real-time meta deck analysis
- Battle record tracking
- Seasonal rankings
- Deck win rate visualization
- Customizable analysis filters
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An analytics & rated matchmaking app to take your Pokémon TCG Pocket battles to the next level. 【PK Match】 An online matchmaking system based on Elo ratings. Get matched with players in your rating range and identify your opponent using a passcode. ・Start at an initial rating of 1500 ・Rating changes based on wins and losses ・Compete against top players worldwide in seasonal rankings ・View meta deck distribution in real time 【Tournament Data Analysis & Meta Analysis】 Easily check the distribution of top-performing decks from recent tournaments and win rates by deck. ・Visualize deck distribution and meta trends with graphs ・Analyze how even a single card difference affects win rates ・Customize analysis conditions with detailed filters 【Battle Record & Management】 Record your battle results for each deck and refine your strategy by comparing them with tournament data. ・Log and manage battle results by deck ・Track win rates and records in one place ・Adjust your deck composition and play style based on the current meta 【Premium Plan】 With a subscription of $0.99/month, the following features are available: ・Cross-device data sync (multi-device support) ・Meta distribution breakdown by time of day ・Ad removal (except ads for PK Match rating rewards) *All core features, including PK Match, battle records, and deck management, are available for free. 【Subscription Details】 ・Price: ¥200/month (tax included) ・Auto-renewal: renews automatically unless canceled at least 24 hours before the end of the current period ・Cancellation: Settings > Apple Account > Subscriptions ・Refunds: subject to Apple's refund policy 【About This App】 This is an unofficial support app designed to enhance your Pokémon TCG Pocket experience. It is not affiliated with The Pokémon Company or any related entities. All names and terms used within the app are the property of their respective rights holders. Terms of Use: https://eigomonsters.com/terms-pkdatanavi-en.html
Screenshots
Verdict
The clearest difference is in-app purchases: MJCalc at none against PKDataNavi's 1. MJCalc also leads on iOS requirement (11.0 vs 17.0). PKDataNavi's advantage is update cadence (weekly vs every 10 months). On price, 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
Both are free to download. PKDataNavi sells 1 in-app purchase, starting at $0.99 per month. MJCalc asks for nothing beyond the download.
MJCalc ships an update every 10 months, PKDataNavi weekly. The most recent releases landed on October 10, 2026 and October 25, 2026 respectively.
| Parameter | MJCalc | PKDataNavi |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 3 — better |
| Update frequency | Every 10 months | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, Mac — better |
| Requires iOS | 11.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 26 MB | 53 MB |
| Age rating | 17+ | 4+ |
| Developer | Shuji Nagaoka | Hiroki Monden |
Customer experience
MJCalc
PKDataNavi
In-app purchases
MJCalc
No in-app purchases
PKDataNavi
- Premium Plan$0.991 Month
