PotatoBox vs YonderClock
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
PotatoBox
Experience the nostalgic charm of a paper-roll music box on your iPhone and iPad. Compose your own melodies by tapping notes onto a paper roll, import MIDI files, and enjoy background playback with system controls. Explore a library of classical and traditional pieces.
- Paper-roll music box simulation
- Compose original melodies
- Import and edit MIDI files
- Background music playback
- Library of classical pieces
- Undo/redo functionality
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PotatoBox brings the charm of a paper-roll music box to your iPhone and iPad. Push in the handle, swipe upward to wind it and watch the punched paper move as the music plays. Pull the handle out to pause. PLAY AND EXPLORE Browse built-in classical and traditional pieces, select a paper roll and listen to its music-box performance. View the sources and licenses for the included scores inside the app. MAKE YOUR OWN MUSIC Tap the paper to add or remove notes, build chords, adjust tempo and use undo and redo while composing. Preview your melody, save your work and return to edit it later. IMPORT MIDI Open supported MIDI files in the composer to explore their notes and tempo. Edit the imported music and save it as your own paper-roll composition. KEEP LISTENING Continue playback in the background and use the system playback controls to pause or resume. PotatoBox supports English, Simplified Chinese, Hindi, Spanish, Arabic, French, Bengali, Portuguese, Indonesian, Urdu and Japanese.
YonderClock
Experience a dynamic view of the world's time zones through a rotating collection of 3D aerial landmark views. Discover and collect over 500 global landmarks, with a home screen widget for continuous updates. Unlock premium features for unlimited exploration and real-time syncing.
- Real-time 3D aerial landmark views
- Collection of 500+ global landmarks
- Automatic landmark collection
- Home screen widget
- Unlimited landmark shuffling (PRO)
- Full access to 600+ landmarks (PRO)
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Right now, the Sydney Opera House is greeting the morning. Right now, the Eiffel Tower in Paris is basking in noon light. Right now, the Statue of Liberty is drifting into dusk. Yonder Clock isn't a world clock. It's a window — showing you the world behind the time zones. Open the app, and you'll see a landmark somewhere on Earth in its real time of day: an Apple Maps 3D aerial view, slowly rotating. Every 15 minutes, the scene changes to another place experiencing morning, noon, or dusk. You don't have to do anything. Just watch. The world flows on its own. --- 500+ landmarks worldwide --- Across 35 cities — from the Sydney Opera House to the Sagrada Família, from the Golden Gate Bridge to Mount Fuji. Each landmark has a hand-tuned 3D aerial camera angle, crafted for that one perfect view. --- See it, collect it --- Every new landmark you see is automatically added to your collection. No effort required — just keep watching, and your world map fills in over time. Switch to the globe view to see how many cities you've "visited." --- Home screen widget --- Put the world on your home screen. The widget cycles through landmarks every 15 minutes, even if you don't open the app for a week. Morning somewhere, dusk somewhere else — a glance is all it takes. --- PRO --- • Unlimited shuffle — change landmarks whenever you want • Widget syncs with the app in real time • Freely browse all uncollected landmarks • Full access to 600+ landmarks in 3D Before you put your phone down, take one look. Somewhere in the world, the sun is just coming up. Terms of Service:https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy:https://www.wikimbti.com/YonderClockPrivacy.html?lang=en-US
Screenshots
Verdict
The clearest difference is review sentiment: PotatoBox at 100% against YonderClock's 33%. PotatoBox also leads on in-app purchases (none vs 2) and update cadence (every 5 days vs every 3 months). YonderClock's advantage is price (Free vs $1.99). On ads, 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
YonderClock is free to download; PotatoBox costs $1.99 up front. YonderClock sells 2 in-app purchases, starting at $9.99 per year. PotatoBox asks for nothing beyond the download.
PotatoBox ships an update every 5 days, YonderClock every 3 months. The most recent releases landed on October 29, 2026 and October 31, 2026 respectively.
| Parameter | PotatoBox | YonderClock |
|---|---|---|
| Price | $1.99 | Free — better |
| Rating | — | 2.3 (3 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 33.3% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 5 days — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Paid | Freemium — better |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.6 — better | 18.0 |
| Further details — not scored | ||
| Size | 26 MB | 107 MB |
| Age rating | 4+ | 4+ |
| Developer | 琳钧 黄 | Guangzhou Black Box Network Technology Co., Ltd. |
Customer experience
PotatoBox
YonderClock
In-app purchases
PotatoBox
No in-app purchases
YonderClock
- Year-Pro$9.991 Year
- Buyout-PRO$16.49








