Clo vs Pocket Watch Box
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
Clo
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Clo-E is much more than a clock: itβs a living design object, elegant and always in motion. Designed for the night, perfect on a bedside table and ideal on a desk, Clo-E transforms iPhone and iPad into a refined, silent and mesmerizing analog display. And if you have an old iPhone or iPad you no longer use, Clo-E can give it a new purpose by turning it into an elegant ambient clock. Why youβll love Clo-E β Essential analog clock face with no distractions β Carefully crafted colors, virtual materials and a consistently clean look β A night mode thatβs especially pleasant to watch β Smooth animations and a style that adapts to any environment A clock that lives with you Every hour, Clo-E can automatically change the color, design and materials of the clock face: a subtle aesthetic touch that keeps it dynamic and surprising without ever becoming distracting. Perfect at any time β On your bedside table as you fall asleep β On your desk or at the office β In the living room or other spaces around the home β Anywhere you want to turn iPhone or iPad into a discreet and original design element Clo-E Premium Try Clo-E Premium free for 5 days and discover exclusive colors, materials, designs, Auto-Style, Night Dimmer and 6 saved styles. No subscription. No automatic renewal. If you decide to continue, Premium is available with a single one-time purchase.
Pocket Watch Box
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Turn your iPhone into an acoustic timegrapher. Catalog every pocket watch with the depth a serious collector deserves β by sound, by sight, by data. Pocket Watch Box is a private collection manager designed for enthusiasts of mechanical pocket watches, antique stopwatches, and vintage chronographs. Every detail β from the antique typography to the on-device acoustic timegrapher β exists because a real collector wanted it. β FEATURES β CATALOG β’ Up to 10 photos per timepiece, with subject-aware background cleanup β’ Detailed specs: caliber, BPH, escapement, jewels, complications, case β’ Purchase records, provenance, accessories β’ Operating videos to capture each watch in motion ACOUSTIC TIMEGRAPHER (Curator) β’ Detect BPH, daily rate, beat error, and stability from your iPhone mic β’ Live oscilloscope-style waveform visualization β’ Autocorrelation-based detection for mechanical accuracy β’ No external $5,000 machine required LONG-TERM RATE TRACKING (Curator) β’ Manual drift logs and acoustic readings on a single trend chart β’ Catch slow degradation before your watch needs service SERVICE & OH REMINDERS β’ Track every overhaul, service, and component change β’ Configurable reminders 30 days before each watch is due ICLOUD SYNC (Curator) β’ Quietly synced across all your Apple devices β’ Stored only in your private iCloud β the developer cannot see it COLLECTION INSIGHTS (Curator) β’ Total value across multiple currencies β’ Maker, era, condition, and operating-status breakdowns β’ CSV export for permanent archival β CURATOR PLAN β Pocket Watch Box is free for up to 10 timepieces with banner ads. Become a Curator to unlock unlimited timepieces, every diagnostic tool, iCloud sync, collection statistics, exports, and an ad-free experience. β’ Curator Β· Monthly (auto-renewable subscription) β’ Curator Β· Yearly (auto-renewable subscription, best value) Subscriptions automatically renew unless turned off at least 24 hours before the end of the current period. Manage and cancel from your Apple ID settings. β PRIVACY-FIRST β No accounts. No servers. No tracking. Your collection lives on your device β and, optionally, in your private iCloud. Audio analyzed by the Acoustic Timegrapher is processed entirely on-device and is never recorded or transmitted. β CRAFTED BY A COLLECTOR β Built by a pocket watch collector who couldn't find a tool that respected the craft. Every detail exists because a real collector wanted it. Terms: https://lineocean.com/pocketwatchbox/ Privacy: https://lineocean.com/pocketwatchbox/
Screenshots
Verdict
The clearest difference is ads: Clo at none against Pocket Watch Box's shown. On price, update cadence, in-app purchases and device support 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. Clo sells 1 one-off in-app purchase and Pocket Watch Box sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Clo ships an update every 5 weeks, Pocket Watch Box every 6 weeks. The most recent releases landed on October 31, 2026 and October 24, 2026 respectively.
| Parameter | Clo | Pocket Watch Box |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 5 weeks β better | Every 6 weeks |
| Ads | No β better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad β better | iPhone |
| Requires iOS | 17.6 β better | 18.2 |
| Further details β not scored | ||
| Size | 4 MB | 39 MB |
| Age rating | 4+ | 4+ |
| Developer | Massimo Russo | Fumihiro Kawasaki |
In-app purchases
Clo
- Clo-E Premium$2.99
Pocket Watch Box
- Curator Β· Monthly$2.991 Month
- Curator Β· Yearly$24.991 Year
- Curator β Lifetime Unlock$9.99









