Comparison

BaseBall Indicator BSO vs Rule

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

Head to head
About

BaseBall Indicator BSO

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This app is a simple indicator that makes it easy to manage baseball or softball scores. With just a tap, you can record balls, strikes, outs, and scores, giving you real-time insights into the game. Key Features: Intuitive Operation for Smooth Tracking: The buttons for balls, strikes, and outs are large and clearly arranged for easy use. You can record scores quickly without losing track of the game. Convenient Reset Function and Dark Mode Switching: Reset the game with a single tap or switch between dark and light modes based on your preference, ensuring optimal visibility. Turn Your Smartphone into a Pocket Scoreboard: Perfect for watching games or practice sessions, this app transforms your smartphone into a score management tool. Designed for beginners and experienced players alike, it’s a simple yet smart app. With essential features in a straightforward design, this app makes watching and managing baseball scores more enjoyable and accessible!

About

Rule

Features
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【Rule-Bace: AI Rule Assistant for Referees】 "Was that the right call according to the rules?" "It's my first time refereeing... I'm worried if I fully understand the rules." "Reading through long, complex competition guidelines and local rules is exhausting..." Whether it's a doubt during a match, a desire to sharpen your refereeing skills, or the need to check local tournament rules—Rule-Bace is the ultimate partner to resolve referee anxieties and help you step onto the field or court with confidence. ■ Key Features No More Reading Required! Direct Upload of Competition Guidelines (Images & PDFs) Simply take a photo or upload a PDF of competition guidelines or local rule documents. Beyond game regulations like water break rules, you can easily check facility and operational rules like "Where is the parking lot?", "What time do gates open?", or "Are cameras/prohibited items allowed?". Just ask the AI what you need to know, and it will instantly extract and answer without you having to read through dense documents. High-Speed AI Rule Search Ask in plain language like "Is this scenario a foul?" or "How do we restart play in this situation?", and the AI instantly provides answers from vast rule datasets, explained in a beginner-friendly way. Supports International Rule Standards Based on official international rules for Soccer, Baseball, Basketball, Tennis, Volleyball, Futsal, and more. Always provides accurate support based on the latest regulations. Cross-Sport Support Great for referees managing multiple sports. Easily switch between sports to immediately reference rules specific to each game. Perfect for Pre- and Post-Match Study Ideal for clearing up doubts during matches, reviewing rules before a game, or studying material from training seminars. Even inexperienced referees can build knowledge and steadily improve their skills. ■ Recommended For ・Referees tired of reading thick rulebooks and detailed tournament guidelines every time. ・Anyone who spends too much time searching for specific info like "parking" or "prohibited items" in event documents. ・Beginners who want to learn rules from the basics. ・Those who want a quick and accurate way to check official rules. ・Coaches and referees who want to make pre-game rule reviews a habit to boost confidence on the field. ・Multi-sport referees who need to keep rules organized for different sports. 【Disclaimer】 This app is a third-party tool developed by referencing the official international rules of each sport. It has no direct relationship with any sports governing bodies and is not an official application. While AI responses aim to support you based on official rulebooks, the final decisions during actual matches rest with the referees. For the latest rule changes and operational policies, please also refer to the official websites of the respective sports organizations. ■ Terms of Service https://tan-principle-379.notion.site/Terms-of-Service-3723b0dd7e4580e7af79d99b53de06a3?source=copy_link

Screenshots

BaseBall Indicator BSO1 screens
Rule4 screens

Verdict

The call

The clearest difference is in-app purchases: BaseBall Indicator BSO at none against Rule's 1. BaseBall Indicator BSO also leads on update cadence (weekly vs every 3 weeks). Rule's advantage is device support (3 vs 1). On price, ads 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. Rule sells 1 in-app purchase, starting at $2.99 per month. BaseBall Indicator BSO asks for nothing beyond the download.

UpkeepUpdate frequency

BaseBall Indicator BSO ships an update weekly, Rule every 3 weeks. The most recent releases landed on September 28, 2026 and October 6, 2026 respectively.

Scorecard3 real differences · 3 level
BaseBall Indicator BSO versus Rule: the parameters behind the verdict, then further details
ParameterBaseBall Indicator BSORule
PriceFreeFree
Update frequencyWeekly — betterEvery 3 weeks
AdsYesYes
In-app purchasesNo — betterYes
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.015.0.0 — better
Further details — not scored
Size4 MB45 MB
Age rating4+4+
DeveloperDaiki IshimotoSEIICHI MIYAKO

In-app purchases

None

BaseBall Indicator BSO

No in-app purchases

1 purchases

Rule

Subscriptions1
  • Rule-Base Pro$2.991 Month

Questions

Is BaseBall Indicator BSO free?
BaseBall Indicator BSO is free to download, with no in-app purchases.
Is Rule free?
Rule is free to download, with in-app purchases available.
Do BaseBall Indicator BSO or Rule have ads?
Both BaseBall Indicator BSO and Rule show ads.
Which is updated more often, BaseBall Indicator BSO or Rule?
BaseBall Indicator BSO ships an update weekly, and Rule every 3 weeks. Most recently, BaseBall Indicator BSO was updated on September 28, 2026 and Rule on October 6, 2026.

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