# ClockMaster vs Upside down text keyboard

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.

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.

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.

## The numbers

| Metric | ClockMaster | Upside down text keyboard |
| --- | --- | --- |
| Price | $49.99 | **$0.99** |
| Rating | **[3.8 (52 ratings)](https://appshunter.io/ios/app/clockmaster-time-regulator/id413901882/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/upside-down-text-keyboard/id1446202160/reviews) |
| Number of ratings | **52** | 1 |
| Positive reviews | **58.6% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 5 MB | 27 MB |
| Requires iOS | 18.0 | **8.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ONYX Apps](https://appshunter.io/developer/356553882) | [Ngoc Anh](https://appshunter.io/developer/1435062709) |

## What reviewers say

### ClockMaster

[App page](https://appshunter.io/ios/app/clockmaster-time-regulator/id413901882)

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:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ClockMaster Pro | $29.99 | one-time |

**What reviewers like**

- 👍 Works very well
- 👍 Accurately sets beat and calibrates time
- 👍 Good alternative to expensive dedicated instruments
- 👍 Elegant display for setting beat and symmetry
- 👍 Works well for professional clock repairers

**What reviewers complain about**

- 😞 Frustrating data handling
- 😞 Spreadsheet export issues
- 😞 iPhone notifications stop measurements
- 😞 Does not work for 400-day clocks
- 😞 External mic option missing

**Reported bugs**

- Data lost if app stops unexpectedly
- iPhone notifications interrupt measurements
- External mic option not available
- App freezes after iOS upgrade
- Screen touch points unresponsive

**Requested features**

- 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


### Upside down text keyboard

[App page](https://appshunter.io/ios/app/upside-down-text-keyboard/id1446202160)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*