Comparison

PlainShogiBoard / Plain将棋盤 vs 7seg Invader

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

Head to head
About

PlainShogiBoard / Plain将棋盤

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Simple Shogi board app. Pieces move freely. Number of pieces can be increased or decreased. Options include font size and weight, serif font, English term, etc. SharePlay Play a shogi board with FaceTime or Messages. Use case: "Play a game with your friend", "Discuss a shogi problem with many people", etc. Start SharePlay by holding the top of your iPhone near the top of someone else's iPhone.(iOS 17 iPhone only) Multi-platform iPhone and iPad, Apple Watch, Mac, Apple TV, Apple Vision Pro. Sync between devices via iCloud. Export/Import Support for export to image format. Support for export/import to plain text format. ==== Japanese(native) ==== シンプルな将棋盤アプリです。 駒は自由に動きます。任意の駒を消したり増やしたりできます。 駒のフォントをカスタマイズしたり英語表記に変えたりして自分に合った将棋盤を作りましょう。 SharePlayに対応 複数人で1つの将棋盤を同時に操作できます。 インターネット越しに「FaceTime」アプリや「メッセージ」アプリを通じて友達と将棋盤を囲むことができます。 SharePlay機能では「2人でシンプルに対局する」だけでなく、「大人数で詰将棋を解く」などの様々なユースケースを想定しています。 iPhone同士を近付けてボタンを1回押すだけでSharePlayを始めることも出来ます。(iOS 17以降のiPhone限定) マルチプラットフォーム iPhone、iPad、Apple Watch、Mac、Apple TV、Apple Vision Proに対応。 局面はiCloudによって端末間で同期されます。 書き出し/読み込み機能 盤面を画像として書き出せます。 盤面をテキストとして書き出したり読み込んだりできます。

About

7seg Invader

Features
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Experience the legendary "Digital Invader" on your wrist! A faithful revival of the classic calculator game from the 1980s. Defend your base from the encroaching 7-segment digital invaders in this simple yet addictive shooting game designed specifically for Apple Watch. 【How to Play】 - Start: Tap the Start button to begin the mission. - Aim: Tap the "Aim" button to match the aiming number with the invader's digit. - Fire: Tap the "Fire" button to shoot down the invader! 【Key Features】 - Retro Style: 7-segment display visuals. - Simple Controls: Intuitive tap buttons optimized for the watch screen. - Intense Action: Don't let the digit invader reach your base on the left! 【Tips & Controls】 - Pause: Tap the Pause button to interrupt. The game also pauses automatically when the screen sleeps. - Exit: Long press the "Resume" button to return to the start screen. - Reset: Long press your High Score to clear it. - Volume: Turn the Digital Crown to adjust the sound effect volume. Relive the 80s nostalgia anytime, anywhere!

Screenshots

PlainShogiBoard / Plain将棋盤4 screens

Verdict

The call

The clearest difference is in-app purchases: 7seg Invader at none against PlainShogiBoard / Plain将棋盤's 1. PlainShogiBoard / Plain将棋盤's advantage is update cadence (every 2 months vs every 5 months) and device support (6 vs 2). On price and ads 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. PlainShogiBoard / Plain将棋盤 sells 1 one-off in-app purchase. 7seg Invader asks for nothing beyond the download.

UpkeepUpdate frequency

PlainShogiBoard / Plain将棋盤 ships an update every 2 months, 7seg Invader every 5 months. The most recent releases landed on September 25, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 2 level
PlainShogiBoard / Plain将棋盤 versus 7seg Invader: the parameters behind the verdict, then further details
ParameterPlainShogiBoard / Plain将棋盤7seg Invader
PriceFreeFree
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesYesNo — better
DevicesiPhone, iPad, Mac, Apple TV, Apple Watch, Vision Pro — betteriPhone, Apple Watch
Requires iOS16.0 — better26.0
Further details — not scored
Size7 MB1 MB
Age rating4+4+
DeveloperRyo YamashitaKiyoshi Izumi

In-app purchases

1 purchases

PlainShogiBoard / Plain将棋盤

One-time1
  • Hide AD$1.99
None

7seg Invader

No in-app purchases

Questions

Is PlainShogiBoard / Plain将棋盤 free?
PlainShogiBoard / Plain将棋盤 is free to download, with in-app purchases available.
Is 7seg Invader free?
7seg Invader is free to download, with no in-app purchases.
Do PlainShogiBoard / Plain将棋盤 or 7seg Invader have ads?
Neither PlainShogiBoard / Plain将棋盤 nor 7seg Invader shows ads.
Which is updated more often, PlainShogiBoard / Plain将棋盤 or 7seg Invader?
PlainShogiBoard / Plain将棋盤 ships an update every 2 months, and 7seg Invader every 5 months. Most recently, PlainShogiBoard / Plain将棋盤 was updated on September 25, 2026 and 7seg Invader on October 7, 2026.

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