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Best 1/2/3 Sigma Apps & Games

9+ iOS apps & games curated and reviewed

4.1 avg rating
6 free apps & games
Updated June 2026

Every iPhone needs a few good 1/2/3 sigma apps and games. We benchmark 9+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top 1/2/3 Sigma Apps & Games (June 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Block Craft 3D: Building GamesBlock Craft 3D: Building GamesFree4.7★ (816K)YesYesJul 2026
2AkinatorAkinatorFree4.6★ (415K)YesYesJul 2026
3ASQ Six Sigma Yellow Belt ExamASQ Six Sigma Yellow Belt ExamFree5.0★ (2)NoYesMay 2026
4Statistical Process ControlStatistical Process ControlFree1.0★ (2)NoYesJul 2026
5another numbersanother numbers$2.99 was $3.995.0★ (1)NoNoMay 2026
6RobloxRobloxFree4.5★ (19M)YesYesJul 2026
7Six Sigma Prep 2026: with AISix Sigma Prep 2026: with AI$4.99—NoNoJun 2026
8Six Sigma CSSGB Exam Prep 2026Six Sigma CSSGB Exam Prep 2026Free——NoJul 2026

Top Picks for 1/2/3 Sigma

Block Craft 3D: Building Games#1

Block Craft 3D: Building Games by Wildlife Studios

City Blox Simulator
Editor's Choice
🎮 Games
4.7😊(816K ratings)
FreeAdsIn-App Purchases
#11in Games
Block Craft 3D: Building Games screenshot 1
Block Craft 3D: Building Games screenshot 2
Block Craft 3D: Building Games screenshot 3
Block Craft 3D: Building Games screenshot 4
Block Craft 3D: Building Games screenshot 5
Block Craft 3D: Building Games screenshot 6

Build and expand your own village or create freely in an open world. Craft anything you can imagine and keep your villagers happy with your creations. This game offers hours of engaging and addictive building gameplay.

What We Love

  • 🎨 Excellent graphics and visuals
  • 🕹️ Fun and engaging gameplay
  • 🏘️ Ability to build and customize structures
  • 🐎 Enjoyable animal interactions

Room to Improve

  • 💰 Expensive in-app purchases
  • 🔒 Limited block/feature access without payment
  • 🕰️ Slow progression without watching ads
Akinator#2

Akinator by Elokence

Genie who can read your mind
Strong Contender
🎬 Entertainment
4.6😊(415K ratings)
FreeAdsIn-App Purchases
#52in Entertainment
Akinator screenshot 1
Akinator screenshot 2
Akinator screenshot 3
Akinator screenshot 4
Akinator screenshot 5
Akinator screenshot 6

This app guesses characters, movies, animals, or objects you're thinking of by asking a series of questions. Challenge the genie, compete on leaderboards, and collect awards by guessing obscure characters. Play daily challenges and track your achievements.

What We Love

  • 🧠 Impressive AI that can guess almost anything
  • 🕹️ Fun and addictive gameplay
  • 🎨 Ability to customize the genie
  • 🔒 Child safety mode available

Room to Improve

  • 💰 Too many ads and in-app purchases
  • 🤔 Repetitive questions
  • 🤯 Creepy/invasive feeling of the AI
ASQ Six Sigma Yellow Belt Exam#3

ASQ Six Sigma Yellow Belt Exam by Exam Prep OU

CSSYB Test Prep Questions 2026
Worth Considering
📚 Education
5.0(2 ratings)
FreeIn-App Purchases
ASQ Six Sigma Yellow Belt Exam screenshot 1
ASQ Six Sigma Yellow Belt Exam screenshot 2
ASQ Six Sigma Yellow Belt Exam screenshot 3
ASQ Six Sigma Yellow Belt Exam screenshot 4
ASQ Six Sigma Yellow Belt Exam screenshot 5

Prepare for the Six Sigma Yellow Belt certification exam with up-to-date practice tests and detailed explanations. Track your progress, customize study plans, and take simulated exams to build confidence. This mobile companion offers a comprehensive learning experience for aspiring professionals.

More 1/2/3 Sigma apps to explore

4
Statistical Process Control
Statistical Process Control
Statistical Process Control
by Fernando Haro Martinez
Free

This tool helps Six Sigma professionals monitor processes using statistical control charts. Input numerical data separated by spaces to instantly view results like X-Bar and Range charts, and process capability metrics.

X-Bar ChartRange (R) ChartProcess Capability (Cp, Cpk)
📊 Productivity
(2)
free with in-app purchases
5
another numbers
another numbers
another numbers
0, 1, 2, 3, 4, 5, 6, 7, 8, 9
$2.99
$3.99 | 25% OFF

An educational app designed to introduce young learners to numbers 0 through 9. It offers interactive activities for tracing, counting, and understanding basic number concepts. The app is accessible offline and free from ads or in-app purchases.

Learn numbers 0-9Tracing and writing practiceCounting activities
📚 Education
(1)
paid
6
Roblox
Roblox
Roblox
Play, Create, and Connect
Free

Explore millions of immersive 3D multiplayer experiences created by a global community. Play games, roleplay, compete, or create your own virtual worlds. Customize avatars and connect with friends across various devices.

Discover millions of user-created experiencesCreate and share your own gamesCustomize avatars with clothing and accessories
🎮 Games
(19M)
free with in-app purchases
7
Six Sigma Prep 2026: with AI
Six Sigma Prep 2026: with AI
Six Sigma Prep 2026: with AI
Belt Notes & DMAIC Mock Exams
$4.99
📚 Education
(0)
8
Six Sigma CSSGB Exam Prep 2026
Six Sigma CSSGB Exam Prep 2026
Six Sigma CSSGB Exam Prep 2026
by Yan Marinich
Free
📚 Education
(0)

FAQ about 1/2/3 Sigma

What are the best 1/2/3 sigma apps & games for iPhone?
Block Craft 3D: Building Games tops our 1/2/3 sigma apps & games ranking as of June 2026, with a 4.7-star average from 816K App Store ratings, and it's free to download.
Yes — 6 of the top 1/2/3 sigma apps & games we rank are free to download, including Block Craft 3D: Building Games and Akinator.
Block Craft 3D: Building Games shows ads and offers in-app purchases, according to its App Store listing as of June 2026.
We track 9+ 1/2/3 sigma apps & games on the iOS App Store as of June 2026, ranked by rating, recency, and analysis of real user reviews.
Block Craft 3D is a mobile game where players can craft and grow their own village or build freely in an unlimited open world. You can create anything you imagine and fill the world with your creations while keeping your villagers happy.
Key features include the ability to craft anything you desire, build and expand your own village, explore an unlimited open world, and ensure the happiness of your in-game population by filling the world with your creations.