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Best Solutions 21 Apps & Games

49+ iOS apps & games curated and reviewed

4.3 avg rating
19 free apps & games
Updated July 2026

With an average user rating of 4.3★, the solutions 21 category is one of the App Store's strongest. Browse all 49+ apps and games we track, sorted so the most loved ones surface first.

Compare top Solutions 21 Apps & Games (July 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Solutions 21Solutions 21Free——NoMay 2026
2Blackjack-black jack 21 casinoBlackjack-black jack 21 casinoFree4.4★ (622)NoYesJul 2026
310-21 Police Phone10-21 Police PhoneFree3.7★ (197)YesYesJun 2026
421 Day Container Tracker21 Day Container TrackerFree4.7★ (509)NoYesJul 2026
5Instant Buttons Soundboard ProInstant Buttons Soundboard ProFree1.8★ (1.2K)NoYesJul 2026
6BlackJack: 21 Casino TableBlackJack: 21 Casino TableFree5.0★ (8)YesYesMay 2026
7Century 21 1st Choice RealtyCentury 21 1st Choice RealtyFree—NoNoMay 2026
821Moves | Cube Puzzle Solver21Moves | Cube Puzzle SolverFree4.7★ (58K)NoYesJul 2026

Top Picks for Solutions 21

Blackjack-black jack 21 casino#2

Blackjack-black jack 21 casino by YesGnome Gaming Solutions

Strong Contender
🎮 Games
4.4😐(622 ratings)
FreeIn-App Purchases
Blackjack-black jack 21 casino screenshot 1
Blackjack-black jack 21 casino screenshot 2
Blackjack-black jack 21 casino screenshot 3
Blackjack-black jack 21 casino screenshot 4

Experience the most popular Blackjack game, designed for iPhone and iPad. Play against the dealer to reach 21 without busting, utilizing features like multiple hands, card splitting, and various table themes. This free game offers a fun and interactive casino experience.

What We Love

  • 👍 Fun and interesting game
  • 🎨 Great graphics and visuals
  • ⏱️ Good time killer
  • 🎓 Helpful for learning blackjack

Room to Improve

  • 🤖 Dealer seems to get unrealistic hands
  • 💰 Easy to run out of chips
  • 🕰️ Slow performance after updates
10-21 Police Phone#3

10-21 Police Phone by Motorola Solutions, Inc

Calling For Law Enforcement
Worth Considering
🔧 Utilities
3.7😐(197 ratings)
FreeAdsIn-App Purchases
10-21 Police Phone screenshot 1
10-21 Police Phone screenshot 2
10-21 Police Phone screenshot 3
10-21 Police Phone screenshot 4
10-21 Police Phone screenshot 5
10-21 Police Phone screenshot 6

This app enables law enforcement to make calls to citizens that are more likely to be answered by using local caller ID. It also allows citizens to request callbacks or connect to dispatch, with features like SMS follow-ups and call record retention for professional users.

What We Love

  • 🔒 Privacy protection - keeps personal number hidden from citizens
  • 📞 Increases answer rates - real numbers get more responses than blocked calls
  • 👍 User-friendly interface - easy to use and navigate
  • 💼 Professional separation - maintains work/personal boundary

Room to Improve

  • 🐛 Frequent call connection failures - calls won't connect or drop unexpectedly
  • 🔊 Poor audio quality - voice cuts out, distorted, or garbled
  • 🐛 App crashes - causes phone to restart or requires force closing

More Solutions 21 apps to explore

4
21 Day Container Tracker
21 Day Container Tracker
21 Day Container Tracker
Calorie & Body Weight Fix
Free

This app helps users track their progress on a 21-day program. It allows for easy logging of containers, water intake, exercises, and body measurements. Visualize your journey with progress graphs and access an approved food list.

Tap & Track™ container and water loggingAutomatic container generationBody Part Indicator™ measurements
💪 Health & Fitness
(509)
subscription
5
Instant Buttons Soundboard Pro
Instant Buttons Soundboard Pro
Instant Buttons Soundboard Pro
Funny Memes Sounds & Effects
Free

Access a vast collection of funny sounds and meme audio clips for instant playback. Customize your soundboard by saving favorites, hiding buttons, and even adding your own sounds. Perfect for injecting humor into conversations or creating fun moments.

Vast sound collection (up to 400)Meme and internet sound clipsSave sounds as favorites
🎬 Entertainment
(1.2K)
subscription
6
BlackJack: 21 Casino Table
BlackJack: 21 Casino Table
BlackJack: 21 Casino Table
BlackJack 21 Card Game
Free

Master the classic casino card game offline and risk-free. Learn strategies, bet big, and aim for 21 without any financial stakes. Enjoy unlimited play with daily free chips and fair, random dealing.

Offline gameplayDaily free chipsUnlimited play
🎮 Games
(8)
free with in-app purchases
7
Century 21 1st Choice Realty
Century 21 1st Choice Realty
Century 21 1st Choice Realty
by QuickLinkt Solutions Inc.
Free
💼 Business
(0)
8
21Moves | Cube Puzzle Solver
21Moves | Cube Puzzle Solver
21Moves | Cube Puzzle Solver
How to Solve a 3x3 Magic App
Free

This app helps you solve your Rubik's Cube with visual, step-by-step instructions. It offers a quick solver, a cube scanner to analyze your current puzzle state, and even identifies missing or misplaced pieces. Become a puzzle-solving pro and improve your concentration and speed.

3D cube scanningVisual step-by-step instructionsQuick cube solving
🔧 Utilities
(58K)
free with in-app purchases
9
C21 Green - Home Search
C21 Green - Home Search
C21 Green - Home Search
Homes for sale and sold prices
Free
🌟 Lifestyle
(0)
10
Label Expert
Label Expert
Label Expert
Professional label solutions
Free

Create professional labels with this software. It supports printing from PDF files, images, and custom templates for versatile label design.

PDF printingImage printingCustom template printing
🔧 Utilities
(748)
free
11
OZON: товары, одежда, билеты
OZON: товары, одежда, билеты
OZON: товары, одежда, билеты
Маркетплейс. Быстрая доставка
Free

This app is a large online marketplace offering millions of products across diverse categories. It provides convenient shopping with features like detailed search, wishlists, and order tracking. Enjoy competitive pricing and delivery to several countries.

Millions of products across 30+ categoriesInternational delivery to multiple countriesTry on clothes and shoes before purchase
🛍️ Shopping
(50K)
free with in-app purchases
12
GlowIN 21 Skincare Beauty
GlowIN 21 Skincare Beauty
GlowIN 21 Skincare Beauty
by Bluevy Web Solution
Free
💪 Health & Fitness
(0)
13
Scan21 – Age ID Check
Scan21 – Age ID Check
Scan21 – Age ID Check
Age Finder and Quick ID Verify
$1.99
🛠️ Developer Tools
(0)
14
Card Adder 21
Card Adder 21
Card Adder 21
Card Adding Mental Training
Free

Enhance your mental math skills by tracking a running total as cards are dealt. Progress through increasingly challenging levels with a timed element. The game offers progress tracking and is designed to make counting enjoyable.

Progressive difficulty levelsTimed challengesRunning total tracking
🎮 Games
(1)
free
15
Fit 21 Sporting Club
Fit 21 Sporting Club
Fit 21 Sporting Club
by Enterprise Digital Solutions srl
Free
⚽ Sports
(0)
16
XXI: 21 Puzzle Game
XXI: 21 Puzzle Game
XXI: 21 Puzzle Game
Fun, Exciting, Challenging!
Free

This puzzle game challenges you to arrange numbered gems on a board so that each row and column sums to 21. Progress through 200 levels of increasing difficulty, utilizing a special gem that can be 1 or 11. Compete with others via leaderboards and share your achievements.

200 unique puzzlesSpecial gem mechanicsGame Center achievements
🎮 Games
(15)
ad-supported
17
Active ·
Active ·
Active ·
Realtime situational awareness
Free

This app offers real-time situational awareness for first responders. It provides a live location view of team members, enhancing coordination and response efforts.

Real-time location trackingSituational awareness for teamsEnhanced coordination
🔧 Utilities
(6)
free
18
General Coffee Co.
General Coffee Co.
General Coffee Co.
21 South Street
Free

Order your favorite coffee, tea, and snacks ahead of time for convenient pickup. Browse the full menu, track your rewards, and receive real-time order updates. Enjoy a seamless ordering experience with a one-time login.

Browse full menuOrder ahead for pickupSet pickup time
🍔 Food & Drink
(3)
free
19
I am - 매일하는 자기 확언
I am - 매일하는 자기 확언
I am - 매일하는 자기 확언
모티베이션그리고명언
Free

This app helps you rewire your brain and build self-esteem through positive daily affirmations. Choose from various intentions and set reminders to cultivate a more resilient and positive mindset.

Daily affirmationsRewire negative thoughtsBuild self-esteem
💪 Health & Fitness
(722K)
free with in-app purchases
20
Flow21 Systems
Flow21 Systems
Flow21 Systems
by Healthy Digital Solutions Company
Free
📊 Productivity
(0)

FAQ about Solutions 21

Are there free solutions 21 apps & games for iPhone?
Yes — 19 of the top solutions 21 apps & games we rank are free to download, including Solutions 21 and Blackjack-black jack 21 casino.
Solutions 21 has no in-app purchases, according to its App Store listing as of July 2026.
We track 49+ solutions 21 apps & games on the iOS App Store as of July 2026, ranked by rating, recency, and analysis of real user reviews.