Comparison

StandBy Clock vs ZoneFlow

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

Head to head
About

StandBy Clock

Transform your iPhone into a personalized bedside display with over 100 customizable widgets. Show time, calendar, battery, photos, and more. Simple to use, just choose, customize, and add to your StandBy screen.

Highlights
  • 100+ customizable widgets
  • Analog and digital clock options
  • Calendar and dual time zone display
  • Countdown timers for events
  • Photo and GIF widgets
  • Customizable theme colors and styles
Features
Read full description

StandBy Clock — Make Your iPhone StandBy Screen Your Own Turn your charging iPhone into a bedside display that feels personal. Explore 240+ widget styles, including 125+ Premium designs, with flip clocks, GIF animations, photos, countdowns, calendars, battery displays and multi-time-zone layouts. Start with free designs, then unlock everything with weekly, annual or lifetime options. CLOCK WIDGETS • Analog Clock — Classic and modern faces with distinctive hands, markers and layouts. • Digital Clock — Bold, easy-to-read time displays made for desks and nightstands. • Calendar — See the date and day at a glance in a range of visual styles. • Single Time Zone — Focus on one city with rich, expressive layouts. • Dual Time Zone — Keep two cities visible for travel, remote work or someone far away. • Triple Time Zone — Follow three cities at once with flip boards, dashboards, neon styles and more. MORE THAN A CLOCK • Countdown — Count down to birthdays, anniversaries, trips and important moments. • Info Card — Put your own message or useful information on the StandBy screen. • Battery — Check the current charge level at a glance. • Photo Widget — Turn a favorite image into part of your bedside display. • GIF Widget — Add motion and personality with animated GIF designs. MAKE IT YOURS Customize colors, fonts, time formats, cities, labels, messages and photos. Save multiple named widgets for different moods and situations, then choose the design you want from the iOS widget picker. BUILT FOR iOS STANDBY StandBy Clock is designed for the landscape charging experience introduced in iOS 17. Place your iPhone on its side while charging to enter StandBy. Always-On Display is supported on compatible Pro iPhone models. HOW TO GET STARTED 1. Choose a free or Premium design. 2. Customize it and save it with a name. 3. Add StandBy Clock from the widget picker. 4. Select your saved design and enjoy your new StandBy screen. FREE AND PREMIUM A selection of designs is free to use. Premium unlocks 125+ additional designs and the complete customization library. Choose the option that suits you: weekly, annual or lifetime access. Available products and local prices are shown in the app before purchase. Download StandBy Clock and make every charging moment look like yours. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

ZoneFlow

Read full description

Keep the right timezone in front of you, automatically. ZoneFlow is a widget-first timezone app that changes what it shows throughout the day, based on a schedule you set. No more mental math, no more opening a world clock app to check what time it is for the person you're about to call. Whether you're keeping up with friends and family abroad, coordinating with a remote team across time zones, or travelling, ZoneFlow keeps the time that matters most right on your Home Screen and Lock Screen — right when you need it. FEATURES • Schedule different timezones to appear on your widget at different times of day • Widgets for Home Screen and Lock Screen • Automatic switching — set it up once and ZoneFlow handles the rest • Built natively in Swift with SwiftData and WidgetKit for a fast, reliable experience ZoneFlow is free to use, with a Pro upgrade available for additional timezone schedules and widgets. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

StandBy Clock4 screens
ZoneFlow4 screens

Verdict

The call

StandBy Clock and ZoneFlow 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. StandBy Clock sells 3 in-app purchases, starting at $1.99 per 7 days and ZoneFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

StandBy Clock ships an update every 6 days, ZoneFlow every 3 days. The most recent releases landed on October 19, 2026 and September 28, 2026 respectively.

ScorecardNo meaningful differences
StandBy Clock versus ZoneFlow: the parameters behind the verdict, then further details
ParameterStandBy ClockZoneFlow
PriceFreeFree
Rating4.0 (6 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 6 daysEvery 3 days — better
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPad — betteriPhone
Requires iOS17.0 — better18.0
Further details — not scored
Size23 MB19 MB
Age rating4+4+
Developer逸文 周Benji Mandel

In-app purchases

3 purchases

StandBy Clock

Subscriptions2
  • Weekly Pro$1.997 Days
  • Annual Pro7 Days trial$6.991 Year
One-time1
  • StandBy Clock Lifetime$14.99
2 purchases

ZoneFlow

Subscriptions2
  • ZoneFlow Pro Monthly7 Days trial$2.991 Month
  • ZoneFlow Pro Yearly7 Days trial$14.991 Year

Questions

Is StandBy Clock free?
StandBy Clock is free to download, with in-app purchases available.
Is ZoneFlow free?
ZoneFlow is free to download, with in-app purchases available.
Do StandBy Clock or ZoneFlow have ads?
Both StandBy Clock and ZoneFlow show ads.
Which is updated more often, StandBy Clock or ZoneFlow?
StandBy Clock ships an update every 6 days, and ZoneFlow every 3 days. Most recently, StandBy Clock was updated on October 19, 2026 and ZoneFlow on September 28, 2026.

Other comparisons