SHOTIMER vs Shogi Vault
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
SHOTIMER
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SHOTIMER is a game clock app that announces your remaining time by voice. Use it for chess, shogi, Go — any two-player board game. "3 minutes left." "50 seconds… 1, 2, 3…" Leave the countdown to the character voices and keep your eyes on the board. It couldn't be simpler: make your move, then tap your side. Place your phone or tablet next to the board and you're ready for a serious match. ■ Voices for the countdown - Zundamon - Shikoku Metan - Hiroyuki - Buzzer / ECG - Mute and random options available ■ Six time controls - Sudden Death - Byoyomi - Main Time + Byoyomi - Fischer (the increment system used in official chess events) - NHK Cup Style (byoyomi with extra thinking time) - Canadian (used in Go: play a set number of moves within a set time) Main time and seconds are fully adjustable — from official tournament rules to casual blitz. ■ Features that support your game - "Per side" mode: set time and voice separately for each player - "Enlarge active side": the running player's area grows, making it easier to tap - Landscape display support — comfortable on iPad and tablets - Choose which player presses the button to start the game ■ 12 themes from traditional Japanese colors Sumi ink, iron navy, navy, hanada blue, blue-green, bamboo green, ochre, persimmon, crimson, peony, wisteria and dark brown — match your mood. ■ Available in 8 languages Japanese, English, Chinese (Simplified / Traditional), Spanish, French, Portuguese and Arabic At the club, with friends, or at home with family — SHOTIMER keeps time for your games.
Shogi Vault
This app helps you study Japanese chess (Shogi) by analyzing your games with an on-device AI engine. You can also build opening research, record variations, and solve tsume shogi problems.
- AI game analysis
- On-device AI engine
- Variation tree with comments
- Import/export game files
- Tsume shogi problem solver
- Optional account sync
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Shogi Vault is a shogi (Japanese chess) study app for reviewing your games and building opening research with an on-device AI engine. Note: the app's interface is in Japanese. - AI game analysis Import your games and analyze every move. Good moves, dubious moves and blunders are marked automatically on the move tree and the evaluation graph. - Fully on-device AI The YaneuraOu engine with the Suisho5 evaluation runs on your device. No network connection is needed, and positions and games are never sent out for analysis. Pro users can switch to stronger evaluation functions. - Variation tree Record unlimited variations from any position, compare them, add comments and pick up your research where you left off. - Import and export Supports KIF, KI2, CSA and SFEN, including games with variations. Imported games are sorted into folders by opening automatically. - Tsume shogi and endgame study Analyze tsume and hisshi problems with the on-device engine. - Optional account sync Sign in with Apple or email to sync settings, research and games across devices. Without signing in, all data stays on your device. - Privacy Only when you sign in, your email address and research/game data are stored on the server for syncing. The ad network may collect data for the rewarded ads in the AI battle screen. Usage and crash information is sent to improve the app (game and research contents are not sent; you can turn this off in Settings). - Open-source engine The bundled shogi engines are licensed under GPLv3. The corresponding source code of the engine integration is available at: https://github.com/irep-takeshi-maya/shogi-vault-gpl-source - Pro plan (auto-renewable subscription) Monthly and yearly auto-renewable subscriptions and a one-time purchase are available. Prices are shown in the app. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and are charged to your Apple ID account. You can cancel from your Apple ID subscription settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://irep-takeshi-maya.github.io/shogi-vault-gpl-source/privacy.html
Screenshots
Verdict
The clearest difference is in-app purchases: SHOTIMER at none against Shogi Vault's 1. SHOTIMER also leads on ads (none vs shown). Shogi Vault's advantage is update cadence (every 4 days vs every 2 months). On price, device support 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
Both are free to download. Shogi Vault sells 1 one-off in-app purchase. SHOTIMER asks for nothing beyond the download.
SHOTIMER ships an update every 2 months, Shogi Vault every 4 days. The most recent releases landed on October 25, 2026 and November 6, 2026 respectively.
| Parameter | SHOTIMER | Shogi Vault |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 2 months | Every 4 days — better |
| Ads | No — better | Yes |
| In-app purchases | No — better | Yes |
| Monetization | — | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 40 MB | 129 MB |
| Age rating | 4+ | 4+ |
| Developer | Yuki Maitani | takeshi maya |
In-app purchases
SHOTIMER
No in-app purchases
Shogi Vault
- 将棋Vault Pro(買い切り)$24.99









