Comparison

Standby Clock vs O3 ONField

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

Head to head
About

Standby Clock

This app transforms your device into a full-screen digital clock with customizable fonts and colors. It offers a musical alarm, displays seconds on the dynamic island and lock screen, and can broadcast the time hourly. Enjoy background alarms with custom ringtones and various widget options.

Highlights
  • Full-screen digital time display
  • Seconds on dynamic island and lock screen
  • Customizable digital font styles and colors
  • Musical alarm with custom ringtones
  • Hourly chime and voice broadcasting
  • Lock screen and Home Screen widgets
Features
Read full description

Standby Clock, a beautiful music alarm clock that displays full-screen digital time. - Show seconds on dynamic island and lock screen - Provide a variety of digital font styles - Custom Clock Digital Color - Hourly Chime, Hourly voice broadcasting time - Display date, week, etc. - Support background alarm clock and custom music ringtones. - Support Home Screen widget, Lock Screen Widget, Standby mode.

About

O3 ONField

Manage capital projects directly from your mobile device. This app supports industry-leading practices like Advanced Work Packaging (AWP), Agile, and Lean to boost team performance from planning to startup. It enables key workflows, such as IWP progressing, even when offline, ensuring productivity in low-connectivity jobsite environments.

Highlights
  • Mobile capital project management
  • Advanced Work Packaging (AWP) support
  • Agile and Lean methodologies
  • Offline IWP progressing
  • Jobsite productivity tools
Features
Read full description

O3 ONField brings the power of O3’s capital project management platform directly to your mobile device. Built on industry-leading practices like Advanced Work Packaging (AWP), Agile, and Lean, O3 empowers teams to drive performance from planning through startup. Designed for the realities of the jobsite, ONField enables key workflows—such as IWP progressing—even when offline, ensuring productivity in low-connectivity environments.

Screenshots

Standby Clock4 screens
O3 ONField4 screens

Verdict

The call

The clearest difference is rating: O3 ONField at 5.0 against Standby Clock's 4.4. O3 ONField also leads on in-app purchases (none vs 3) and ads (none vs shown). Standby Clock's advantage is ratings volume (716 vs 1). On price, device support and iOS requirement 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. Standby Clock sells 3 one-off in-app purchases. O3 ONField asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

O3 ONField holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Standby Clock has 716 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Standby Clock ships an update every 6 weeks, O3 ONField fortnightly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard6 real differences · 4 level
Standby Clock versus O3 ONField: the parameters behind the verdict, then further details
ParameterStandby ClockO3 ONField
PriceFreeFree
Rating4.4 (716 ratings)5.0 (1 ratings) — better
Positive reviews61.2% of reviews—
Number of ratings716 — better1
Update frequencyEvery 6 weeksFortnightly — better
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size56 MB34 MB
Age rating4+4+
Developer云云 唐O3 Solutions

Customer experience

Standby Clock

All ratings713 ratings
Positive84.2%
Neutral5.5%
Negative10.4%
Written reviews85 reviews
Positive61.2%
Neutral10.6%
Negative28.2%

O3 ONField

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Standby Clock

Reported bugs

2 issues
  • Clock not displaying properly on home screen
  • Alarm not working as expected

Requested features

4 requests
  • Add horizontal time display option
  • Include weather and date information
  • Improve screen timeout settings
  • Offer more customization options

O3 ONField

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Standby Clock

One-time3
  • Remove Ads$0.99
  • All Clock Styles$0.99
  • Pro Version$1.99
None

O3 ONField

No in-app purchases

Questions

Is Standby Clock free?
Standby Clock is free to download, with in-app purchases available.
Is O3 ONField free?
O3 ONField is free to download, with no in-app purchases.
Which has better reviews, Standby Clock or O3 ONField?
O3 ONField is rated higher. Standby Clock averages 4.4 out of 5 from 716 ratings, while O3 ONField averages 5.0 from 1 ratings.
Do Standby Clock or O3 ONField have ads?
Standby Clock shows ads; O3 ONField does not.
Which is updated more often, Standby Clock or O3 ONField?
Standby Clock ships an update every 6 weeks, and O3 ONField fortnightly. Most recently, Standby Clock was updated on November 3, 2026 and O3 ONField on October 30, 2026.

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