Comparison

SimpleClock vs CrownSide

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

Head to head
About

SimpleClock

A customizable clock app designed for studying, offering a clean interface with no ads or charges. Personalize the background, font, and text color, and utilize built-in stopwatch and timer functions. Widgets are now available for enhanced convenience.

Highlights
  • Customizable clock appearance
  • No ads or charges
  • Stopwatch function
  • Timer function
  • Widget support
  • Dark mode support
Features
Read full description

Widgets are now available! Dark mode support, no ads, no charges. All functions are free of charge. - A simple clock that is perfect for studying! - You can change the background photo, font, and color of the text to customize the clock to your liking. - Stopwatch function and timer function! - Widgets* are now available! * To use the widgets, you need a device with iOS 14 or later or iPadOS 14 or later. -------------------------------------------- If you have any problems, please contact us using the support form below or "Help" in the app. https://support.reoapp.com/form Privacy Policy https://support.reoapp.com/clock/en Support email address support[at]reoapp.com *Please replace [at] with @ when sending email. --------------------------------------------

About

CrownSide

Features
Read full description

CrownSide is the watch journal built for enthusiasts who care about the details. Whether you own one cherished piece or a growing collection, CrownSide helps you track every wear, every service, and every tick — all in one place. Your Collection, Organized - Add each watch with a photo, brand, model, serial number, purchase date, and personal notes. Everything you need to know about a watch is always a tap away. Daily Wear Log - Record which watch you wore each day — swipe right on a watch to log it in one motion. Browse your wear history on an interactive calendar and see yearly summaries with per-watch streaks — a personal diary of time on the wrist. Accuracy Tracking - Measure your watch's timekeeping performance over time. Log offset readings, filter by winding position, visualize drift on a scrollable chart, and see seconds-per-day rate for each entry. Know exactly how your movement is performing. Maintenance History - Keep a complete service record for every watch. Log overhauls and repairs with dates and notes, so you always know when a watch last saw a watchmaker. Private by Default - No account. No subscription. Your data lives on your device. Export & Import - Back up your watches or move them between devices with a single JSON export. Your data is always yours.

Screenshots

SimpleClock4 screens
CrownSide4 screens

Verdict

The call

The clearest difference is device support: SimpleClock at 3 against CrownSide's 1. SimpleClock also leads on iOS requirement (15.0 vs 26.2). On price, update cadence, ads and in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SimpleClock sells 3 one-off in-app purchases and CrownSide sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

SimpleClock ships an update every 2 weeks, CrownSide every 10 days. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 8 level
SimpleClock versus CrownSide: the parameters behind the verdict, then further details
ParameterSimpleClockCrownSide
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.2
Further details — not scored
Size11 MB1 MB
Age rating4+4+
DeveloperReo ShigenoZhang Linghua

In-app purchases

3 purchases

SimpleClock

One-time3
  • Cheer for the developer$0.49
  • Cheer for the developer$2.99
  • Cheer for the developer$5.99
4 purchases

CrownSide

One-time4
  • Espresso$0.99
  • Short Latte$1.99
  • Tall Cappuccino$4.99
Show 1 more
  • Venti Macchiato$9.99

Questions

Is SimpleClock free?
SimpleClock is free to download, with in-app purchases available.
Is CrownSide free?
CrownSide is free to download, with in-app purchases available.
Do SimpleClock or CrownSide have ads?
Neither SimpleClock nor CrownSide shows ads.
Which is updated more often, SimpleClock or CrownSide?
SimpleClock ships an update every 2 weeks, and CrownSide every 10 days. Most recently, SimpleClock was updated on October 24, 2026 and CrownSide on October 25, 2026.

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