Comparison

ClockMaster vs Upside down text keyboard

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

Head to head
About

ClockMaster

This app analyzes the ticking sound of mechanical pendulum clocks to determine their running rate and error. It's designed for accurate long-term measurements, allowing users to regulate clocks efficiently. Advanced features include printable reports and data export for in-depth analysis.

Highlights
  • Analyzes escapement ticking sound
  • Measures running rate in Beats Per Hour (B/H)
  • Reports error in Seconds Per Day (±S/D)
  • Supports long-term measurements
  • Generates printable PDF reports (Pro)
  • Exports raw data as .csv file (Pro)
Features
Read full description

>>> Check out the demo videos at ClockMasterApp.com ClockMaster is a clock timing software, in many ways similar to watch timegraphers, but specifically designed to work with mechanical pendulum clocks. The app analyzes the ticking sound of the escapement to determine the clock's running rate measured in Beats Per Hour (B/H). This rate is then compared to a specified Target Rate, and the Error is reported as Seconds Per Day fast or slow (±S/D). The speed of a mechanical pendulum clock is not constant, fluctuating with age and wear, spring tension and even temperature. The ClockMaster app was created with a focus on accurate long-term measurements where traditional timers often do not function very well. For the professional horologist or interested amateur, you can now test in the field — put the clock in exact beat and regulate the clock with just a few hours of testing. For increased rate accuracy and in depth investigation of clock movement's behavior, you can conduct long-term measurements for up to two weeks (ClockMaster Pro). Branded, printable PDF reports can be generated for each measurement, and the raw data exported as .csv file for graphing in a spreadsheet (ClockMaster Pro). ClockMaster Pro (in-app upgrade) provides these additional features: • Save and share branded, printable PDF reports for each measurement • Export raw measurement data as a .csv file for spreadsheet analysis • Conduct long-term measurements of up to two weeks

About

Upside down text keyboard

Easily create and share text that appears upside down. This utility offers a dedicated keyboard to flip all characters, including letters, numbers, and symbols, for use across various messaging and social media apps.

Highlights
  • System-wide upside down keyboard
  • Converts all characters
  • Share, copy, and save text
  • Works with other apps
  • Toggle between normal and upside down keyboard
Features
Read full description

Do you want to impress your friends with upside down text? This app provides a keyboard for you to type upside down text. All characters including uppercase letters (A-Z), downcase letters (a-z), digits (0-9), punctuations, special characters will be flipped upside down. hello => oןןǝɥ There are two ways to create upside down text ■ Use the app - Type normal text, the app will convert it to upside down text - Share, copy, save the text ■ Use the system-wide keyboard - Type normal text, the keyboard will convert it to upside down text - Toggle switch to change from normal keyboard to upside down text keyboard - Use this keyboard with other apps such as: iMessage, WhatsApp, Email, Facebook, Twitter, Instagram, etc. ■ If you want to contact us, please use the feedback feature in the settings

Screenshots

ClockMaster4 screens
Upside down text keyboard4 screens

Verdict

The call

The clearest difference is review sentiment: ClockMaster at 59% against Upside down text keyboard's 0%. ClockMaster also leads on rating (3.8 vs 1.0) and ratings volume (52 vs 1). Upside down text keyboard's advantage is price ($0.99 vs $49.99) and in-app purchases (none vs 1). On ads 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

ClockMaster costs $49.99 and Upside down text keyboard $0.99 up front. ClockMaster sells 1 one-off in-app purchase. Upside down text keyboard asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ClockMaster holds the better App Store score, 3.8 against 1.0. That said, the two scores are not equally well evidenced: ClockMaster has 52 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 59% of ClockMaster's written reviews are positive against 0% of Upside down text keyboard's.

Scorecard8 real differences · 2 level
ClockMaster versus Upside down text keyboard: the parameters behind the verdict, then further details
ParameterClockMasterUpside down text keyboard
Price$49.99$0.99 — better
Rating3.8 (52 ratings) — better1.0 (1 ratings)
Positive reviews58.6% of reviews — better0.0% of reviews
Number of ratings52 — better1
Update frequencyEvery 5 months—
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases — betterPaid
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS18.08.0 — better
Further details — not scored
Size5 MB27 MB
Age rating4+4+
DeveloperONYX AppsNgoc Anh

Customer experience

ClockMaster

All ratings52 ratings
Positive71.2%
Neutral5.8%
Negative23.1%
Written reviews70 reviews
Positive58.6%
Neutral5.7%
Negative35.7%

Upside down text keyboard

All ratings1 ratings
Positive0.0%
Neutral0.0%
Negative100.0%
Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

Bugs and requests

ClockMaster

Reported bugs

6 issues
  • Data lost if app stops unexpectedly
  • iPhone notifications interrupt measurements
  • External mic option not available
  • App freezes after iOS upgrade
  • Screen touch points unresponsive
Show 1 more
  • Help section incomplete

Requested features

13 requests
  • Printable protocol like a timegrapher
  • Beat delta info on regulation screen
  • Option to manually restart measurement and append
  • Undocumented units in spreadsheet export
  • Include actual time in spreadsheet export
Show 8 more
  • Ability to set BPH to 480 for 400-day clocks
  • Plots for drift rate and periodic error within the app
  • Mic that works with the app
  • External mic option
  • More detailed graphs
  • Option to upgrade for $5 instead of $20
  • Better GUI and interface
  • Indication of which half of the cycle is longer/shorter

Upside down text keyboard

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

ClockMaster

One-time1
  • ClockMaster Pro$29.99
None

Upside down text keyboard

No in-app purchases

Questions

Is ClockMaster free?
ClockMaster costs $49.99, and also offers in-app purchases.
Is Upside down text keyboard free?
Upside down text keyboard costs $0.99, with no in-app purchases.
Which has better reviews, ClockMaster or Upside down text keyboard?
ClockMaster is rated higher. ClockMaster averages 3.8 out of 5 from 52 ratings, while Upside down text keyboard averages 1.0 from 1 ratings.
Do ClockMaster or Upside down text keyboard have ads?
Neither ClockMaster nor Upside down text keyboard shows ads.

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