Comparison

Clo vs Pocket Watch Box

Price, ratings, monetisation and update history for both apps, side by side β€” with what reviewers say about each.

Head to head
About

Clo

Features
Read full description

Clo-E is much more than a clock: it’s 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 you’ll love Clo-E – Essential analog clock face with no distractions – Carefully crafted colors, virtual materials and a consistently clean look – A night mode that’s especially pleasant to watch – 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 – On your bedside table as you fall asleep – On your desk or at the office – In the living room or other spaces around the home – 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.

About

Pocket Watch Box

Features
Read full description

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

Clo4 screens
Pocket Watch Box4 screens

Verdict

The call

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference Β· 5 level
Clo versus Pocket Watch Box: the parameters behind the verdict, then further details
ParameterCloPocket Watch Box
PriceFreeFree
Update frequencyEvery 5 weeks β€” betterEvery 6 weeks
AdsNo β€” betterYes
In-app purchasesYesYes
DevicesiPhone, iPad β€” betteriPhone
Requires iOS17.6 β€” better18.2
Further details β€” not scored
Size4 MB39 MB
Age rating4+4+
DeveloperMassimo RussoFumihiro Kawasaki

In-app purchases

1 purchases

Clo

One-time1
  • Clo-E Premium$2.99
3 purchases

Pocket Watch Box

Subscriptions2
  • Curator Β· Monthly$2.991 Month
  • Curator Β· Yearly$24.991 Year
One-time1
  • Curator β€” Lifetime Unlock$9.99

Questions

Is Clo free?
Clo is free to download, with in-app purchases available.
Is Pocket Watch Box free?
Pocket Watch Box is free to download, with in-app purchases available.
Do Clo or Pocket Watch Box have ads?
Pocket Watch Box shows ads; Clo does not.
Which is updated more often, Clo or Pocket Watch Box?
Clo ships an update every 5 weeks, and Pocket Watch Box every 6 weeks. Most recently, Clo was updated on October 31, 2026 and Pocket Watch Box on October 24, 2026.

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