Manhole Card Map vs Kowalk
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Manhole Card Map
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Manhole Card Map helps you find distribution locations for Manhole Cards across Japan and keep track of the cards you have collected. MAIN FEATURES ■ Find distribution locations on the map View distribution locations near your current position or travel destination. Pin colors make it easy to distinguish cards you have not collected, cards already collected, locations that are out of stock, and cards not yet available. ■ Manage your collection Mark a card as collected with a single tap. You can also view card images, detailed information, and related websites. ■ Filter to plan your visits Filter cards by region, series, collection status, and availability on weekdays, weekends, or public holidays. ■ Update distribution location data Download updated distribution location data directly in the app. ■ Back up and transfer your data Export your collection status to a file and import it on another device. This is useful for backups and when moving to a new device. RECOMMENDED FOR • Manhole Card collectors • Travelers looking for nearby distribution locations in Japan • Anyone who wants a simple way to track collected and uncollected cards • People planning an efficient card-collecting trip Make Manhole Card Map your companion for collecting cards throughout Japan.
Kowalk
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Kowalk turns your steps into travel perks in Korea. ■ Walk and earn Every 100 steps become 1 coin, up to 300 coins a day. Coins add up even before your trip — walk at home and arrive with a balance. ■ Trade coins for coupons Exchange coins for airport pickup discounts, city tour discounts, and more. Coupons stay valid for 180 days. ■ Use them on the spot Pick a coupon, enter the 4-digit code the staff gives you, and you're done. Coupons can be used during your trip dates. ■ Three languages 한국어 · English · 繁體中文 Kowalk only reads your step count. It does not track your location.
Screenshots
Verdict
The clearest difference is ads: Kowalk at none against Manhole Card Map's shown. On price, update cadence, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.
| Parameter | Manhole Card Map | Kowalk |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Weekly |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Devices | iPhone, iPad — better | iPhone |
| Requires iOS | 17.0 | 16.4 — better |
| Further details — not scored | ||
| Size | 141 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | TETSUNOSUKE HIDA | hoseob chang |
In-app purchases
Manhole Card Map
No in-app purchases
Kowalk
No in-app purchases









