Echo Trainer vs ShiroWalk
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Echo Trainer
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Elevate your training with Echo Trainer, the intelligent workout tracker designed for serious lifters and fitness enthusiasts. Say goodbye to messy notes and complicated spreadsheets. Echo Trainer streamlines your workout logging with smart features that help you focus on what mattersβyour performance. Why Echo Trainer? Echo Trainer isn't just a logbook; it's your personal training assistant. With our unique Smart Suggestion engine, the app learns from your history to automatically recommend weights and reps, making logging your sets faster than ever. Key Features: Smart Suggestions: Stop guessing your next lift. Echo Trainer analyzes your past performance to suggest the optimal weight and reps for your next set. Seamless Superset Support: Easily group exercises into supersets. View and log them together without jumping between screensβperfect for high-intensity sessions. Custom Routines: Build unlimited workouts that match your training style. Organize exercises, reorder movements, and structure your week for success. Integrated Rest Timer: Keep your intensity high with a customizable rest timer that runs in the background and notifies you when it's time to lift. Track Your Progress: Instantly view your detailed exercise history, personal records (PRs), and volume directly from the workout screen to ensure you're always progressing. Download Echo Trainer today and start training smarter, not harder. Terms of Use: https://www.apple.com/legal/internet-services/itunes/appstore/dev/stdeula/ Privacy Policy: https://echotrainer.app/privacy-policy.html
ShiroWalk
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Walk your steps. Build Japan's legendary castles. No ads. No gacha. At your own pace. ShiroWalk is a collection-style walking game where your daily steps bring Japan's iconic castles to life β across 7 historic stages: Castle Plan, Stonework, First Tier, Tiled Roof, Keep, White Walls, and Completion. Every castle in ShiroWalk is an AI-generated artistic interpretation inspired by the real castle β not a historically accurate reconstruction. ββββββββββββββββββ Why ShiroWalk ββββββββββββββββββ β Zero ads. No gacha. Monthly subscription. No ad interruptions, no random pulls. Walk at your own pace, on your own terms. β 47 Castles Γ 7 Stages From Hokkaido to Okinawa β all 47 prefectures. Each castle transforms through all 7 stages, from empty lot to completion. Complete one castle to unlock the next. Watch your collection map turn gold. β 4 Legendary Phantom Castles (not for sale) Earn special titles to unlock historically lost castles: Β· Complete all 47 β Edo Castle (destroyed 1657) Β· 1,000,000 steps β Golden Azuchi Castle (Nobunaga's lost masterpiece, 1582) Β· 5,000,000 steps β Heian Imperial Palace Β· 100 consecutive days β Hiraizumi Muryoukouin These can never be purchased. Walking earns them. β 21 Achievement Titles Earn titles for castle completions, total steps, streaks, regional mastery, and more. ββββββββββββββββββ Key Features ββββββββββββββββββ β Choose your first castle from three Start free with Osaka, Nagoya, or Edo Castle. This first castle has a shortened step requirement β about a week at 7,000 steps a day. Subscribe or use a Castle Select Ticket to take on the remaining 46. β Castle Select Ticket Want just one specific castle without subscribing? One ticket = one castle instantly unlocked. β Castle Encyclopedia All 47 castles listed. Locked castles show a lock icon; active and completed castles show their current stage. Tap any castle to see detailed progress. β Completion Ceremony Reach your step goal and watch your castle come to life. β Widget (Lock Screen / Home Screen) See today's castle progress without opening the app. β A gentle word at every milestone ShiroWalk sends encouragement as your castle grows. Never pushy, never urgent. ββββββββββββββββββ How steps work ββββββββββββββββββ ShiroWalk reads your steps from Apple Health (read-only β it never writes to Apple Health, and your step data is never uploaded). Most castles require roughly 70,000β300,000 steps to complete, depending on the castle. Your first castle is shortened to about 50,000 β around a week at 7,000 steps a day. ββββββββββββββββββ For you if... ββββββββββββββββββ Β· You struggle to stay motivated to walk Β· You're tired of subscription overload and ads Β· You love Japanese history, castles, or samurai Β· You enjoy collection games or sim games Β· You want a calm game with no pressure Β· You loved PixelPot or Forest ShiroWalk. One step at a time. βββ Terms of Use (EULA): https://hiroooo.github.io/shirowalk/terms-of-service/ Privacy Policy: https://hiroooo.github.io/shirowalk/privacy-policy/
Screenshots
Verdict
The clearest difference is update cadence: ShiroWalk at every 5 days against Echo Trainer's every 2 months. Echo Trainer's advantage is device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, ads and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Echo Trainer sells 2 in-app purchases, starting at $4.99 per month and ShiroWalk sells 7 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Echo Trainer ships an update every 2 months, ShiroWalk every 5 days. The most recent releases landed on October 15, 2026 and October 31, 2026 respectively.
| Parameter | Echo Trainer | ShiroWalk |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 5 days β better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod β better | iPhone |
| Requires iOS | 15.1 β better | 17.0 |
| Further details β not scored | ||
| Size | 41 MB | 212 MB |
| Age rating | 17+ | 4+ |
| Developer | Raymond Huynh | hiroaki suzuki |
In-app purchases
Echo Trainer
- Echo Trainer Premium (1 Month)$4.991 Month
- Echo Trainer Premium (1 Year)$34.991 Year
ShiroWalk
- Monthly Premium7 Days trial$2.991 Month
- Annual Premium14 Days trial$29.991 Year
- Castle Boost Small$0.99
- Castle Select Ticket$0.99
- Castle Boost Medium$1.99
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- Castle Boost Large$2.99
- Founder Lifetime$59.99









