Comparison

SimpleClock vs Radius

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

Radius

Features
Read full description

Stop setting alarms for the wrong time and start linking tasks to the right place! How many times have you walked right past the store, completely forgetting what you needed to buy? Meet Radius—your ultimate, lightning-fast location reminder! Instead of fighting the clock, tie your to-dos to real-world locations. Just drop a pin, write your task, and let your phone do the magic. The second you enter or leave a location, BOOM! You get an instant ping. Designed with a gorgeous, minimalist interface, Radius is built to get out of your way. Best of all? It works entirely offline! *** Why You'll Love It: *** Geofence Magic: Get notified the exact moment you arrive at or leave a specific spot. *** Zero Friction: A modern, clutter-free UI. Add a task and a location in just a couple of taps! *** 100% Private & Serverless: No accounts, no backend, no tracking. Your data and location never leave your iPhone. Period. *** Battery Optimized: Powered natively by iOS CoreLocation, giving you seamless background alerts without draining your battery. *** Smart Radius: Set tight 100m zones for specific stores or wider areas for neighborhoods. Free your mind and let Radius remember the "where" so you can focus on the "what"! Download now and experience the magic of location-based productivity. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

SimpleClock4 screens
Radius4 screens

Verdict

The call

SimpleClock and Radius are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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 Radius sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

ScorecardNo meaningful differences
SimpleClock versus Radius: the parameters behind the verdict, then further details
ParameterSimpleClockRadius
PriceFreeFree
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 weeksEvery 2 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.0 — better15.1
Further details — not scored
Size11 MB47 MB
Age rating4+4+
DeveloperReo ShigenoBerkay Egeli

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
3 purchases

Radius

Subscriptions2
  • Radius Monthly$0.991 Month
  • Radius Pro Yearly$4.991 Year
One-time1
  • Radius Pro Lifetime$14.99

Questions

Is SimpleClock free?
SimpleClock is free to download, with in-app purchases available.
Is Radius free?
Radius is free to download, with in-app purchases available.
Do SimpleClock or Radius have ads?
Neither SimpleClock nor Radius shows ads.
Which is updated more often, SimpleClock or Radius?
SimpleClock ships an update every 2 weeks, and Radius every 2 weeks. Most recently, SimpleClock was updated on October 24, 2026 and Radius on October 9, 2026.

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