Shogi vs Byoyomi
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Shogi
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A simple, easy-to-use shogi clock. Set the main time and byoyomi, then enjoy your game with a large, clear clock display. • Main time from 0 to 180 minutes • Byoyomi from 0 to 60 seconds, in 5-second increments • Spoken byoyomi countdown • Tap your clock after each move to switch turns • Touch and hold the pause button to return to settings • Supports Japanese, English, French, Simplified Chinese, and German • Available for iPhone and iPad Set the main time to 0 to start directly in byoyomi. Set byoyomi to 0 to play without overtime: running out of main time ends the game. How to play Choose the main time and byoyomi, then tap Set. Tap either clock to start the opposite clock. After making your move, tap your own clock to pass the turn to your opponent. On-screen text and spoken announcements follow the app’s language setting.
Byoyomi
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A clean, flexible game clock for Shogi, Go, Chess, and other board games. Time Controls: • Byoyomi – countdown system used in Shogi and Go • Sudden Death • Fischer Increment • Consideration Time Features: • Save custom presets for quick setup • Japanese voice countdown with 8 unique characters (Japanese audio only) • Clean, distraction-free interface
Screenshots
Verdict
The clearest difference is in-app purchases: Shogi at none against Byoyomi's 1. Shogi also leads on ads (none vs shown). Byoyomi's advantage is update cadence (weekly vs every 4 months) and iOS requirement (13.0 vs 17.0). On price 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. Byoyomi sells 1 one-off in-app purchase. Shogi asks for nothing beyond the download.
Shogi ships an update every 4 months, Byoyomi weekly. The most recent releases landed on October 31, 2026 and November 9, 2026 respectively.
| Parameter | Shogi | Byoyomi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Weekly — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 2 MB | 29 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuta Taira | Daisaku Inoue |
In-app purchases
Shogi
No in-app purchases
Byoyomi
- 広告を削除$2.99








