Zonner vs Underfoot
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Zonner
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Zonner turns your city into a battleground. When you run, the GPS route you trace claims real-world territory โ every closed loop paints the enclosed streets in your color on a live map for everyone to see. CAPTURE THE MAP Lace up and run. The ground you circle becomes yours, measured in square kilometers and marked on a tactical city map. STEAL & DEFEND Territory is never safe. Run through a rival's zone and take it for yourself โ but watch your back, because they can take it right back. CLIMB THE RANKS Compete on neighborhood, district, and city leaderboards across two axes: total area held and activity (XP). Become the ruler of your area. JOIN A CLAN Team up. Your clan's territory and effort combine into one force. Take on weekly clan challenges and rise up the team leaderboard together. BUILT FOR RUNNERS - Live GPS tracking with accurate distance, pace, and calories - Real-time territory map - Push alerts the moment your land is attacked - Friends, clans, and clan chat Run. Capture. Conquer. Your city is waiting.
Underfoot
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Your steps already add up to something. This app decides what. Underfoot turns the steps your phone already counts into distance along a real long-distance route: the actual surveyed line, with its actual length, its actual climbs and its actual places. Walk your usual day, and you move a little further down the trail. FOUR ROUTES, ALL ON YOUR PHONE โข Appalachian Trail - 3,478 km, Georgia to Maine, 18 sections. Free, all of it. โข Pacific Crest Trail - 4,269 km, desert to the North Cascades, 20 sections. โข Route 66 - 3,643 km, Chicago to the Pacific, 20 sections. โข Camino de Santiago - 762 km across northern Spain, 7 sections. Nothing is downloaded later. Every route is in the app from the first launch, and it all works in airplane mode. PAINTED, NOT PHOTOGRAPHED 128 original paintings, one for every stretch of country you walk through, in daylight and at night. The season is baked into each one, so a year passes while you walk: early spring in Georgia, high summer in Virginia, late autumn at the end. A JOURNAL THAT BECOMES A BOOK One line a day, in your words. Along the way you pass named places: shelters with the year they were built, passes, towns, roadside stops, and find what somebody walking before you wrote there. After a year you have something you won't want to lose. SECTIONS, NOT ONE ENDLESS LINE A long trail takes years at an honest pace, so the unit that matters is the section: a month or two, ending in something. Eighteen of them on the Appalachian Trail alone. NO STREAKS, NO GUILT A day without walking is called a zero day, and on a real trail it is completely normal. Nothing here burns down, nothing scolds you, nothing asks you to come back tomorrow or lose what you built. NOTHING LEAVES YOUR DEVICE No account, no server, no analytics, no third-party code of any kind. Your steps are read from Health on your phone and stay there. Progress syncs between your own devices through your private iCloud, and nowhere else. WIDGETS One for each trail you're walking, in four sizes, including the Lock Screen. FREE AND PRO The Appalachian Trail is free in full: every section, every painting, the journal, the widget. Pro opens the rest of the catalogue, lets you walk several routes at once, writes fresh journal entries on your device, and exports your journal as a book. For motivation, not for navigation. This is not a hiking navigation app and carries no GPS guidance of any kind. Route data comes from public surveys and is credited in the app. Not affiliated with or endorsed by the Appalachian Trail Conservancy, the Pacific Crest Trail Association, or the National Park Service. SUBSCRIPTION DETAILS Underfoot Pro is offered as a monthly subscription (US$4.99 per month) and a yearly subscription (US$29.99 per year). Lifetime (US$59.99) is a one-time purchase, not a subscription. Prices are in US dollars and may differ in other regions. Payment is charged to your Apple Account at confirmation of purchase. A subscription renews automatically unless it is turned off at least 24 hours before the end of the current period, and your account is charged for renewal within 24 hours before the period ends. Subscriptions can be managed, and auto-renewal turned off, in your Apple Account settings after purchase. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://tasty-adasaurus-c8c.notion.site/Underfoot-Privacy-Policy-3dde95387907802aa9d0fd753e3eb287
Screenshots
Verdict
The clearest difference is in-app purchases: Zonner at none against Underfoot's 3. Zonner also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.0). Underfoot's advantage is update cadence (every 4 days vs every 2 months). On price and ads there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Underfoot sells 3 in-app purchases, starting at $4.99 per month. Zonner asks for nothing beyond the download.
Zonner ships an update every 2 months, Underfoot every 4 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | Zonner | Underfoot |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No โ better | Yes |
| Devices | iPhone, iPad, iPod โ better | iPhone |
| Requires iOS | 15.0 โ better | 26.0 |
| Further details โ not scored | ||
| Size | 60 MB | 80 MB |
| Age rating | 4+ | 4+ |
| Developer | ONE WORK MCHJ | Uladzislau Zakharo |
In-app purchases
Zonner
No in-app purchases
Underfoot
- Monthly$4.991 Month
- Yearly$29.991 Year
- Lifetime$59.99








