Smart Tank vs The Big Keyboard
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Tank
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The Smart Tank application serves as a tool to assist in tank management. Upon logging in, users can easily monitor water levels, configure tank parameters, and receive alerts for maintenance or issues as needed.
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.
- 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
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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
Verdict
The clearest difference is price: Smart Tank at Free against The Big Keyboard's $1.99. The Big Keyboard's advantage is update cadence (every 2 days vs every 5 weeks) and chart position (#194 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
Smart Tank is free to download; The Big Keyboard costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Smart Tank ships an update every 5 weeks, The Big Keyboard every 2 days. The most recent releases landed on October 18, 2026 and October 24, 2026 respectively.
| Parameter | Smart Tank | The Big Keyboard |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | — | 3.5 (13 ratings) — better |
| Positive reviews | — | 64.3% of reviews |
| Number of ratings | — | 13 — better |
| Update frequency | Every 5 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 28 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | Mahmoud Hodhod | Defriction LLC |
In-app purchases
Smart Tank
No in-app purchases
The Big Keyboard
No in-app purchases
Questions
Is Smart Tank free?
Is The Big Keyboard free?
Do Smart Tank or The Big Keyboard have ads?
Which is updated more often, Smart Tank or The Big Keyboard?
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