Length vs Clock4Key World Clock Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Length
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Turn your device into a ruler and measure small distances in either imperial inches or metric cm and convert any value between the two units. Features: - inch/cm converter for any arbitrary value - tap and drag the line to snap to multiple values of 0.05in (left side) or 0.1cm (right side) - supports the iPad Pro, iPad Mini and all iPhones - support for the iPad multitasking (split view..)
Clock4Key World Clock Keyboard
This custom keyboard allows users to quickly input the current time for major cities worldwide directly from their device's keyboard. It offers real-time global time updates and an intuitive design for efficient time zone coordination.
- Instant time input for global cities
- Real-time worldwide time updates
- Seamless keyboard integration
- Avoids manual time conversions
- Ideal for travelers and professionals
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World Clock Keyboard is a powerful iOS app designed to simplify the process of entering the current time for famous cities worldwide. This custom keyboard is ideal for anyone who frequently needs to know or share international times, offering convenience and speed at your fingertips. Key Features: - Instant Time Input: Quickly enter current times for major cities worldwide directly from your keyboard. - Global Coverage: Get real-time updates for numerous cities, ensuring accurate information. - User-Friendly: Intuitive design seamlessly integrates with your device’s keyboard. - Efficient: Save time by avoiding manual time conversions and app switching. - Traveler-Friendly: Perfect for globetrotters, business professionals, and anyone coordinating across time zones.
Screenshots
Verdict
The clearest difference is price: Clock4Key World Clock Keyboard at Free against Length's $0.99. Clock4Key World Clock Keyboard also leads on update cadence (daily vs every 11 months). Length's advantage is iOS requirement (12.0 vs 15.0). On ads, in-app purchases and device support 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
Clock4Key World Clock Keyboard is free to download; Length costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Length ships an update every 11 months, Clock4Key World Clock Keyboard daily. Both last shipped on October 2, 2026.
| Parameter | Length | Clock4Key World Clock Keyboard |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 11 months | Daily — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 34 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Piet Jonas | Khang Le |
In-app purchases
Length
No in-app purchases
Clock4Key World Clock Keyboard
No in-app purchases
Questions
Is Length free?
Is Clock4Key World Clock Keyboard free?
Do Length or Clock4Key World Clock Keyboard have ads?
Which is updated more often, Length or Clock4Key World Clock Keyboard?
Other comparisons
