# NguyenKey vs Big Time Digital Clock

The clearest difference is price: Big Time Digital Clock at Free against NguyenKey's $2.99. NguyenKey's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Big Time Digital Clock is free to download; NguyenKey costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | NguyenKey | Big Time Digital Clock |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 11 months | — |
| Monetization | Paid | — |
| Size | 2 MB | 32 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takayuki Imai](https://appshunter.io/developer/998239550) | [Astrologic Games LTDA](https://appshunter.io/developer/1164665798) |

## What reviewers say

### NguyenKey

[App page](https://appshunter.io/ios/app/nguyenkey/id1359031306)

This keyboard simplifies Vietnamese input by using consonants, vowels, and tone marks instead of individual letters. It automates screen switching and offers phonetic symbols for learners. Supports one-handed typing on iPhone.

**Highlights:** Simplified Vietnamese input, Automated consonant/vowel screen switching, Tone mark entry, Phonetic symbols for learners, One-handed keyboard option (iPhone), Integrated input modes

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Big Time Digital Clock

[App page](https://appshunter.io/ios/app/big-time-digital-clock/id6742674778)

**In-app purchases:** none


## Frequently asked questions

### Is NguyenKey free?

NguyenKey costs $2.99, with no in-app purchases.

### Is Big Time Digital Clock free?

Big Time Digital Clock is free to download, with no in-app purchases.

### Do NguyenKey or Big Time Digital Clock have ads?

Big Time Digital Clock shows ads; NguyenKey does not.

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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.*