# Black Keys vs UAE Gratuity Calculator

The clearest difference is rating: UAE Gratuity Calculator at 5.0 against Black Keys's 3.4. UAE Gratuity Calculator also leads on review sentiment (71% vs 54%). Black Keys's advantage is update cadence (fortnightly vs every 12 months) and ratings volume (27 vs 1). On ads, in-app purchases and device support there is nothing between them.

Black Keys costs $0.99 and UAE Gratuity Calculator $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UAE Gratuity Calculator holds the better App Store score, 5.0 against 3.4. That said, the two scores are not equally well evidenced: Black Keys has 27 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 54% of Black Keys's written reviews are positive against 71% of UAE Gratuity Calculator's.

Black Keys ships an update fortnightly, UAE Gratuity Calculator every 12 months. The most recent releases landed on November 1, 2026 and November 2, 2026 respectively.

## The numbers

| Metric | Black Keys | UAE Gratuity Calculator |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [3.4 (27 ratings)](https://appshunter.io/ios/app/black-keys/id899894778/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uae-gratuity-calculator/id1196424000/reviews)** |
| Number of ratings | **27** | 1 |
| Positive reviews | 53.6% of reviews | **71.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 12 months |
| Monetization | **Free** | Paid |
| Size | 35 MB | 2 MB |
| Requires iOS | **8.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [LE SANG](https://appshunter.io/developer/637407101) | [Glen Ferris](https://appshunter.io/developer/1071201447) |

## What reviewers say

### Black Keys

[App page](https://appshunter.io/ios/app/black-keys/id899894778)

This app provides multilingual keyboards for typing in unsupported languages and the International Phonetic Alphabet (IPA). It features a dark mode for eye comfort and supports a wide range of languages, including Arabic, Amharic, and Khmer. Tutorials are available for complex typing methods.

**Highlights:** Multilingual keyboard support, IPA typing, Dark mode, Support for many languages, Tutorial videos, Long-press for hidden letters

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- ✨ Supports multiple languages/fonts
- 🚀 Fast switching between keyboards
- 💰 Good value for price
- 💯 Works perfectly for specific needs (IPA, Syriac, etc.)

**What reviewers complain about**

- 🐛 Bugs and glitches
- 📉 Font issues and missing characters
- 👎 Inconsistent behavior
- 🚫 Some features not working as expected
- 🔠 Layout changes are not good

**Reported bugs**

- Keyboard takes up more space over time
- Eastern font lost after update
- Syriac-Eastern font shows as Estrangelo
- Myanmar Error Unicode and Zawgyi
- Cannot add vowels on alphabets

**Requested features**

- Fix Nestorian style font
- Add vowels on alphabets
- Improve language change button consistency
- Add custom keyboard creation/customization
- Add Latin Extended keyboard


### UAE Gratuity Calculator

[App page](https://appshunter.io/ios/app/uae-gratuity-calculator/id1196424000)

Calculate your end-of-service benefits accurately according to UAE Labour Law. This tool helps you understand your gratuity entitlements for various contract types and employment scenarios, ensuring you know exactly what you are owed.

**Highlights:** Calculate gratuity for limited and unlimited contracts, Supports termination, resignation, and early contract end, Based on UAE Labour Law and MOHRE guidelines, Understand your rights and calculation methods, Identify errors in final payouts, Financial planning for career changes

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

**In-app purchases:** none


## Frequently asked questions

### Is Black Keys free?

Black Keys costs $0.99, with no in-app purchases.

### Is UAE Gratuity Calculator free?

UAE Gratuity Calculator costs $1.99, with no in-app purchases.

### Which has better reviews, Black Keys or UAE Gratuity Calculator?

UAE Gratuity Calculator is rated higher. Black Keys averages 3.4 out of 5 from 27 ratings, while UAE Gratuity Calculator averages 5.0 from 1 ratings.

### Do Black Keys or UAE Gratuity Calculator have ads?

Neither Black Keys nor UAE Gratuity Calculator shows ads.

### Which is updated more often, Black Keys or UAE Gratuity Calculator?

Black Keys ships an update fortnightly, and UAE Gratuity Calculator every 12 months. Most recently, Black Keys was updated on November 1, 2026 and UAE Gratuity Calculator on November 2, 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.*