# Smart Tank vs The Big Keyboard

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 (#185 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

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 25, 2026 respectively.

## The numbers

| Metric | Smart Tank | The Big Keyboard |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | — | **[3.5 (13 ratings)](https://appshunter.io/ios/app/the-big-keyboard/id6746368921/reviews)** |
| Number of ratings | — | **13** |
| Positive reviews | — | 64.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 2 days** |
| Monetization | — | Paid |
| Best chart rank | — | **#185** |
| Size | 28 MB | 11 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mahmoud Hodhod](https://appshunter.io/developer/1591747845) | [Defriction LLC](https://appshunter.io/developer/1626590021) |

## What reviewers say

### Smart Tank

[App page](https://appshunter.io/ios/app/smart-tank/id6636179912)

**Features:** macOS Compatibility

**In-app purchases:** none


### The Big Keyboard

[App page](https://appshunter.io/ios/app/the-big-keyboard/id6746368921)

**Currently charting:** #185 Top Paid · Utilities (US App Store)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Smart Tank free?

Smart Tank is free to download, with no in-app purchases.

### Is The Big Keyboard free?

The Big Keyboard costs $1.99, with no in-app purchases.

### Do Smart Tank or The Big Keyboard have ads?

Neither Smart Tank nor The Big Keyboard shows ads.

### Which is updated more often, Smart Tank or The Big Keyboard?

Smart Tank ships an update every 5 weeks, and The Big Keyboard every 2 days. Most recently, Smart Tank was updated on October 18, 2026 and The Big Keyboard on October 25, 2026.

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