Comparison

K4us German Keyboard vs The Big Keyboard

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

Head to head
About

K4us German Keyboard

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For iPhone User please try "AEI Keyboard Note" App. (This app is Free) Original German Keyboard for iPhone & iPad * With Arrow Keys * Ideal Key for iPhone * Easy to input “ä Ä ö Ö ü Ü ß" * iPad Special Ten Keys like PC Ten Keys. Useful keyboard Settings (tap"tools") You can turn off Key Sound from it. Please add this Keyboard from iOS Setting and switch "Allow Full Access" Note : This app may not work on Old Apps.

About

The Big Keyboard

This keyboard app offers larger text and buttons for improved readability, especially for users with vision difficulties. It provides customizable themes, multiple layouts including a numeric keypad and arrow keys, and supports various languages.

Highlights
  • Scalable text size up to 2.5x
  • Comfortable button sizes
  • Word suggestions and autocorrect
  • Multiple keyboard layouts (QWERTY, numeric, arrows)
  • Full emoji collection
  • Customizable themes (light, dark, high contrast)
  • Sound and haptic feedback controls
Features
Currently charting
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LARGE TEXT & BIG KEYS: Scale text size up to 2.5x larger - perfect for better readability Button sizes stay comfortable while text gets bigger No more squinting at tiny letters Word suggestions + Autocorrect Supported Keyboard Languages: English, Spanish, Portuguese, Dutch, Italian, German (QWERTZ), French (AZERTY), Finnish, Danish, Polish, Turkish, Romanian, and Swedish. MULTIPLE KEYBOARD LAYOUTS: Full QWERTY keyboard with smart auto-capitalization Dedicated numeric keypad for numbers Arrow keys for precise cursor control Complete emoji collection with categories Symbols and punctuation layouts CUSTOMIZABLE EXPERIENCE: Light, Dark, High Contrast and themes Adjustable text and emoji sizes Sound and haptic feedback controls ACCESSIBILITY FOCUSED Perfect for users with vision difficulties Large, clear text that's easy to read High contrast themes for better visibility Simple, intuitive design EASY TO USE Quick setup in just minutes Works with all your favorite apps Smooth, responsive typing experience No complicated settings - just works! Why choose The Big Keyboard? Unlike other keyboards that make everything bigger, The Big Keyboard smartly scales only the text while keeping buttons the perfect size. This means better readability without losing screen space! Perfect for: Seniors who need larger text Users with visual impairments Anyone who wants a more comfortable typing experience People who prefer customizable keyboards Terms: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

K4us German Keyboard4 screens
The Big Keyboard4 screens

Verdict

The call

The clearest difference is review sentiment: K4us German Keyboard at 100% against The Big Keyboard's 64%. K4us German Keyboard also leads on price ($0.99 vs $1.99). The Big Keyboard's advantage is update cadence (every 2 days vs every 19 months) and chart position (#128 vs unranked). On ads, in-app purchases, 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

K4us German Keyboard costs $0.99 and The Big Keyboard $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

K4us German Keyboard ships an update every 19 months, The Big Keyboard every 2 days. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 7 level
K4us German Keyboard versus The Big Keyboard: the parameters behind the verdict, then further details
ParameterK4us German KeyboardThe Big Keyboard
Price$0.99 — better$1.99
Rating—3.5 (13 ratings) — better
Positive reviews100.0% of reviews — better64.3% of reviews
Number of ratings—13 — better
Update frequencyEvery 19 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
Best chart rank—#128 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.615.0 — better
Further details — not scored
Size3 MB11 MB
Age rating4+4+
DeveloperToshihiro NakaneDefriction LLC

Customer experience

K4us German Keyboard

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

The Big Keyboard

All ratings13 ratings
Positive53.8%
Neutral15.4%
Negative30.8%
Written reviews14 reviews
Positive64.3%
Neutral14.3%
Negative21.4%

In-app purchases

None

K4us German Keyboard

No in-app purchases

None

The Big Keyboard

No in-app purchases

Questions

Is K4us German Keyboard free?
K4us German Keyboard costs $0.99, with no in-app purchases.
Is The Big Keyboard free?
The Big Keyboard costs $1.99, with no in-app purchases.
Do K4us German Keyboard or The Big Keyboard have ads?
Neither K4us German Keyboard nor The Big Keyboard shows ads.
Which is updated more often, K4us German Keyboard or The Big Keyboard?
K4us German Keyboard ships an update every 19 months, and The Big Keyboard every 2 days. Most recently, K4us German Keyboard was updated on October 27, 2026 and The Big Keyboard on October 25, 2026.

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