Roulette Statistics & Tracker vs Black Keys
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Roulette Statistics & Tracker
Track roulette spins and get predictions for the next spin based on previous outcomes. Supports both American and European roulette tables, allowing you to monitor multiple tables and analyze spin history.
- Track roulette spins
- Predict next spin
- American/European roulette support
- Monitor multiple tables
- Analyze spin history
- Statistics screen
Read full descriptionHide full description
Would you like to track all spins and guess next spin by calculating previous spins ? You can do that without too much effort with this application. Also, You will have option to choose American Roulette or European Roulette. ( 00 and 0 , or only 0 ) if you ever tried roulette, you may also try to check spins by using roulette cards. But, It is not easy when you play more than 10-15 minutes. If you use this application you just need to enter winning numbers on the roulette and application will show you possible winning numbers on the bottom of the screen for the next spin. You can select 3 different tables and you can check/track 3 tables easily. You could check 1-18,19-36,odd,even,etc how many times did not come easily from other statistics screen by touching page button on the toolbar. There is no warranty has been given from this application. You may win or loose. It is really difficult to guess next spin. You can try to play on corners or rows.
Black Keys
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.
- Multilingual keyboard support
- IPA typing
- Dark mode
- Support for many languages
- Tutorial videos
- Long-press for hidden letters
Read full descriptionHide full description
Black Keys, multilingual keyboards, for unsupported languages and typing IPA (International Phonetic Alphabet). Black mode is simple but awesome and good for your eyes. Check your language in this list and download: *IPA: IPA full and English IPA (new design and full of letters) *Arabic group: Dari, Pashto,Sorani Kurdish, Uyghur *Need to install font group: Amharic, Burmese, Coptic,N'ko,Tifinagh *Others: Khmer, Inuktitut, Georgian, Armenian, Sinhala, Lao, Kazakh, Nepali, Bangla, Gurmukhi, Malayalam, Gujarati, Kannada, Oriya, Telugu. *NOTE: -Some keyboard have longPress to popup some hidden letters: Amharic, Dari, Pashto, Sorani Kurdish. Please take your time to practice much from beginning to understand how to use or check our video tutorials from app -Burmese and Sinhala use smart combination to help you type faster, please check tutorial video from app. -Deprecated languages: Persian, Syriac (move to swipekeys app) If your keyboard miss some letters, or need to improve or you need to add your languages,please contact us on Facebook: https://www.facebook.com/BlackKeyboards
Screenshots
Verdict
The clearest difference is rating: Roulette Statistics & Tracker at 4.0 against Black Keys's 3.4. Black Keys's advantage is update cadence (fortnightly vs every 13 months) and ratings volume (27 vs 1). On review sentiment, ads and in-app purchases 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
Roulette Statistics & Tracker costs $1.99 and Black Keys $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Roulette Statistics & Tracker holds the better App Store score, 4.0 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: 60% of Roulette Statistics & Tracker's written reviews are positive against 54% of Black Keys's.
Roulette Statistics & Tracker ships an update every 13 months, Black Keys fortnightly. Both last shipped on October 17, 2026.
| Parameter | Roulette Statistics & Tracker | Black Keys |
|---|---|---|
| Price | $1.99 | $0.99 — better |
| Rating | 4.0 (1 ratings) — better | 3.4 (27 ratings) |
| Positive reviews | 60.0% of reviews — better | 53.6% of reviews |
| Number of ratings | 1 | 27 — better |
| Update frequency | Every 13 months | Fortnightly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 16.0 | 8.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 35 MB |
| Age rating | +4 | 4+ |
| Developer | Harmony Software UK | LE SANG |
Customer experience
Roulette Statistics & Tracker
Black Keys
Bugs and requests
Roulette Statistics & Tracker
Not enough reviews yet to summarise bugs or requests.
Black Keys
Reported bugs
53 issues- 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
Show 48 moreShow fewer
- Language change button inconsistent
- App took money, no service
- Won't do Normal QWERTY
- Cannot change case, numbers, or common symbols
- Font typing error in iPhone 6 plus
- Cannot see Myanmar font on iPhone
- Typing review of letters falls under finger
- Semi-shift does not work in Twitter
- Space between words gets messed up with semi-shift
- Kazakh missing lowercase 'a'
- Keyboard appears and disappears when clicking a field
- Some Sinhala letters missing
- App closes automatically while typing some letters
- Font missing for Nepalese language
- Every time writing something it shows specific characters
- White mode doesn't work
- Bug with diacritical markers in Notes/Email apps
- Keys seem incomplete for Khmer
- Keys are too small and slow for Khmer
- Keys show as ... when shifting cases
- Key layout moves around when switching cases
- Response when hitting key is slow for Khmer
- Small additional characters hidden under finger
- Cannot find '?' and '!' on new keyboard
- Two keys for Burmese alphabet 'ဘ'
- Zawgyi update misplaced some characters
- Shift key button deleted in Burmese (zawgyi) after iOS 8.1 update
- Cannot see shift key to switch
- Long pressing not accurate on small keypad
- Dots at the foot of character vary
- Cannot find dot to place above characters
- Cannot use Myanmar font properly after updating
- Cannot see Myanmar font on YouTube
- Missing some previous characters in Myanmar Zawgyi font
- Keyboard theme not beautiful anymore
- Space button has a delay
- Keyboard layout not standard for iPad
- Not all keys included in Burmese Unicode Keyboard
- Shift key seems left out in Burmese Unicode Keyboard
- Crashing when attempting to place diacritical markers
- Black background too dark
- No space between keys
- Not working after adding to keyboard list
- Don't work and show keyboard after adding
- A bit of delay when first changing to numpad
- No 'Pa' for word 'Pa'
- Keyboard size issue
- Syriac Estrangelo replaced by Serto after iOS 9 update
Requested features
22 requests- Fix Nestorian style font
- Add vowels on alphabets
- Improve language change button consistency
- Add custom keyboard creation/customization
- Add Latin Extended keyboard
Show 17 moreShow fewer
- Add multiple signs for prenasalization
- Add original theme option
- Add Text-To-Speech function for IPA
- Improve keyboard design and layout
- Add sound for keys
- Add space between keys
- Improve Persian keyboard layout for iPad
- Add white background option
- Fix missing characters in Sinhala keyboard
- Fix missing characters in Nepalese language
- Fix missing characters in Kazakh keyboard
- Fix missing characters in Khmer keyboard
- Fix missing characters in Burmese Unicode Keyboard
- Fix missing characters in Myanmar Zawgyi font
- Add IPA characters for 'm, ɱ, ɳ, ɲ, ŋ, and ɴ'
- Add combining diacritics to Latin Extended keyboard
- Add IPA characters for 'ⁿ'
In-app purchases
Roulette Statistics & Tracker
No in-app purchases
Black Keys
No in-app purchases
Questions
Is Roulette Statistics & Tracker free?
Is Black Keys free?
Which has better reviews, Roulette Statistics & Tracker or Black Keys?
Do Roulette Statistics & Tracker or Black Keys have ads?
Which is updated more often, Roulette Statistics & Tracker or Black Keys?
Other comparisons
