Comparison

Clock Chime vs Shift Unit

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

Head to head
About

Clock Chime

This app makes tracking time fun with hourly spoken announcements that include light-hearted, humorous phrases. It offers customizable notification times and works even when the app is closed, ensuring you never miss an update with a smile.

Highlights
  • Humorous speaking clock
  • Hourly time announcements with jokes
  • Customizable notification hours
  • Spoken time with fun phrases
  • 24-hour format option
  • Multiple alert sounds
  • Themed backgrounds
Features
Read full description

Time doesn't have to be boring. The "Clock Chime" app makes the passage of time enjoyable by telling you the time and including a light-hearted and funny phrase every minute. It's like having a fun friend who tells you the time with a smile. The "Clock Chime" app does not let an hour pass without reminding you of the time in a pleasant manner, with a nice pronunciation and a touch of humor. And don't worry about the annoyance - you have full control over the times you prefer the chime to sound. The app's notifications integrate smoothly with the operating system, which means you don't need to open the app to receive alerts. It works even when the app is closed, without using up your device's resources. Sometimes you can't look at your device to see the time; because you're busy with more important matters. Don’t worry - "Clock Chime" speaks the time with a humorous phrase as soon as you open the app, and with a simple tap, it announces the minutes and hours with a little bit of humor. If you put your device on a charging dock, the "Clock Chime" app can continuously display the time, offering beautiful themes and backgrounds to choose from. ***Features of the Clock Chime app*** 1. The first humorous-speaking clock. 2. Announces the time every hour with a joke, even when the app is closed. 3. Customize the hours you want to hear time notifications and the humorous touch in them. 4. Accurate pronunciation of time including minutes and hours with a bit of fun upon opening the app. 5. Immediate time announcement when opening the app and with a tap anywhere on the screen. 6. Option to display the time in a 24-hour format. 7. Multiple alert sounds for notifications including human voices and sound effects. 8. Provides a variety of themes, including one dedicated to supporting our brothers and sisters in Palestine, replacing light-hearted phrases with serious ones. We look forward to your suggestions by email, as many updates are coming. Your great ideas are needed to make "Clock Chime" the most entertaining and enjoyable clock app in the world. We appreciate your support, and we hope you enjoy the features of the app. Your wisdom is highly appreciated by us. *Terms of Use* https://www.apple.com/legal/internet-services/itunes/dev/stdeula

About

Shift Unit

This utility app offers precise unit and currency conversions with over 1400 units across 34 categories. It supports light/dark modes, home widgets, and an independent Apple Watch app. Features include a custom keypad with calculator mode and educational Wikipedia integration.

Highlights
  • 1400+ conversion units
  • 34 categories
  • Light/dark mode support
  • Home widget
  • Apple Watch app
  • Custom keypad with calculator
  • Wikipedia integration
Features
Read full description

Shift Unit is a unit converter designed with usability and numerical precision in mind. It features 1400+ conversion units across 34 categories. It works great in light or dark mode, and as a Home Widget w/ localized number displays. Independent WatchOS app and complications. Operations can be carried out in portrait mode in simple precision (7 significant digits,) or in landscape mode in double precision (14 significant digits.) Conversion formulae use exact definitions of related entities--not approximations. Wikipedia page information can be pulled for categories and conversion units. (Look for info circle.) The custom keypad has a calculator mode, and allows to enter/edit numbers on either side of the conversion. Unit categories include Acceleration, Angle, Area, Bit Rate, Clock, Online Currencies, Data Storage, Area Density, Volumetric Density, Electric Charge, Electric Current, Energy, Volumetric Flow Rate, Force, Frequency, Fuel, Length, Luminance, Lux, Mass Flow Rate, Momentum, Power, Pressure, Radiation Dose, Radioactivity, Radiation Exposure, Speed, Temperature, Temperature Delta, Time, Torque, Typography, Volume, and Weight. Features: - One screen operation minimizing number of gestures - Numbers (digits, decimal/grouping separators, exponent)/time/country names localized to your (or any) region - Current time in 2 out of 439 world cities and see your cities pinned on a flyover map, an educational way of discovering the world through time zones - Weather conditions and forecast for time zone cities - Dedicated accessibility labels and hints for VoiceOver operations - Customizable number entry timeout allowing to enter a new number without having to clear the field. (Turned off when an accessibility feature, e.g. VoiceOver, is on) - Customizable user interface (preferred categories; user interface alignment for left/right-handed entry or 2-thumb operations) - Ability to swap units while keeping initial numerical entry - Category presets for quick change of context, including user preset - Long-press category button to remove, or add a category on the fly - Long-press number field for copy/paste - Paste Mathematical constants (Pi, e, etc.) - Education via Wikipedia pages for categories and conversion units - Currency conversions using online rates - Searchable list of currency rates with possibility to change base rate - Set favorite currencies - Built-in numeric keypad (with calculator mode) to enter numbers on either side of the conversion - Long-press delete key to clear the field in focus - Engineering number format handling - Infinity and negative numbers handling - 7 or 14-digit precision displays (3-digit fractions for currencies) - Searchable list of 1400+ conversion units across 34 categories - On-boarding screens for general operations and for the Currency category (turned off when VoiceOver is on) - Home widget for quick conversions using units selected in the hosting app Happy Conversions!

Screenshots

Clock Chime4 screens
Shift Unit4 screens

Verdict

The call

The clearest difference is in-app purchases: Shift Unit at none against Clock Chime's 3. Shift Unit also leads on review sentiment (100% vs 68%) and rating (5.0 vs 4.6). Clock Chime's advantage is ratings volume (472 vs 21). On price, ads, 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. Clock Chime sells 3 in-app purchases, starting at $0.99 per month. Shift Unit asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Shift Unit holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Clock Chime has 472 ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 68% of Clock Chime's written reviews are positive against 100% of Shift Unit's.

UpkeepUpdate frequency

Clock Chime ships an update every 7 months, Shift Unit every 2 months. The most recent releases landed on September 25, 2026 and September 6, 2026 respectively.

Scorecard6 real differences · 4 level
Clock Chime versus Shift Unit: the parameters behind the verdict, then further details
ParameterClock ChimeShift Unit
PriceFreeFree
Rating4.6 (472 ratings)5.0 (21 ratings) — better
Positive reviews68.0% of reviews100.0% of reviews — better
Number of ratings472 — better21
Update frequencyEvery 7 monthsEvery 2 months — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, Vision Pro — betteriPhone, Apple Watch
Requires iOS17.016.0 — better
Further details — not scored
Size143 MB20 MB
Age rating4+4+
Developeri4islamDidier Burton

Customer experience

Clock Chime

All ratings472 ratings
Positive91.3%
Neutral3.4%
Negative5.3%
Written reviews97 reviews
Positive68.0%
Neutral7.2%
Negative24.7%

Shift Unit

All ratings21 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Clock Chime

Reported bugs

3 issues
  • App crashes when changing sound settings
  • Weather feature doesn't work, says server not found
  • Time announcement doesn't work after device is locked

Requested features

7 requests
  • Add more voice options including female voices
  • Improve Arabic pronunciation of time
  • Add option to disable music before time announcement
  • Display Arabic calendar date
  • Add option to announce time every 5 or 10 minutes
Show 2 more
  • Improve weather feature to work reliably
  • Add night mode for better visibility during sleep

Shift Unit

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Clock Chime

Subscriptions2
  • Pro$0.991 Month
  • Pro7 Days trial$5.991 Year
One-time1
  • ثيمات رائع جديد للساعة الناطقة$0.99
None

Shift Unit

No in-app purchases

Questions

Is Clock Chime free?
Clock Chime is free to download, with in-app purchases available.
Is Shift Unit free?
Shift Unit is free to download, with no in-app purchases.
Which has better reviews, Clock Chime or Shift Unit?
Shift Unit is rated higher. Clock Chime averages 4.6 out of 5 from 472 ratings, while Shift Unit averages 5.0 from 21 ratings.
Do Clock Chime or Shift Unit have ads?
Neither Clock Chime nor Shift Unit shows ads.
Which is updated more often, Clock Chime or Shift Unit?
Clock Chime ships an update every 7 months, and Shift Unit every 2 months. Most recently, Clock Chime was updated on September 25, 2026 and Shift Unit on September 6, 2026.

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