Best System2 Apps & Games

205+ iOS apps & games curated and reviewed

4.3 avg rating
19 free apps & games
Updated May 2026

Out of 205+ system2 apps and games on iOS, 19 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top System2 Apps & Games (May 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Avida: 1-on-1 Fitness CoachAvida: 1-on-1 Fitness CoachFree4.7★ (750)NoNoJul 2026
2S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager InfoS2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager InfoFree4.8★ (2.1K)NoYesJun 2026
3System Surveyor 2.0System Surveyor 2.0Free3.7★ (15)NoNoJun 2026
4Onebox – Virtual Phone SystemOnebox – Virtual Phone SystemFree3.0★ (46)YesNoJul 2026
5Solar System SimSolar System SimFree4.5★ (3.6K)YesYesJul 2026
6Stickman Apple Shooting Showdown - Free Bow and Arrow Fun Doodle Skill GameStickman Apple Shooting Showdown - Free Bow and Arrow Fun Doodle Skill GameFree4.3★ (2.2K)NoYesJul 2026
7Fitness System Club AppFitness System Club AppFreeNoNoMay 2026
83D Solar System - Planets View3D Solar System - Planets ViewFree4.4★ (1.6K)YesYesJul 2026

Top Picks for System2

Avida: 1-on-1 Fitness Coach#1

Avida: 1-on-1 Fitness Coach by Scout Invest Inc.

Work with your elite trainer
Editor's Choice
💪 Health & Fitness
4.7😐(750 ratings)
Free
Avida: 1-on-1 Fitness Coach screenshot 1
Avida: 1-on-1 Fitness Coach screenshot 2
Avida: 1-on-1 Fitness Coach screenshot 3
Avida: 1-on-1 Fitness Coach screenshot 4
Avida: 1-on-1 Fitness Coach screenshot 5
Avida: 1-on-1 Fitness Coach screenshot 6

Connect with an elite fitness coach for personalized training plans and daily support. Track your progress with guided workouts and stay motivated on your fitness journey, wherever you are.

What We Love

  • 👨‍🏫 Knowledgeable and supportive coaches
  • 📱 User-friendly interface and intuitive design
  • 📊 Comprehensive progress tracking and accountability
  • 🍽️ Personalized meal plans with recipe variety

Room to Improve

  • 🐛 Frequent app crashes and freezes
  • 🐛 Persistent glitches affecting core functionality
  • ❌ Cannot track weights or record workout sessions
4.8😊(2.1K ratings)
FreeIn-App Purchases
S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager Info screenshot 1
S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager Info screenshot 2
S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager Info screenshot 3
S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager Info screenshot 4

Monitor your iOS device's system status with detailed information on disk, network, cellular data, and RAM. View real-time specifications like battery, boot time, and uptime. This app offers an elegant and simple interface for offline use.

What We Love

  • 👍 Great app
  • 🚀 Works well
  • 🚀 Useful information
  • 👍 Simple and easy to use

Room to Improve

  • 🐛 Occasional crashes or glitches
  • 🔋 High battery consumption
  • 🔒 Concerns about data privacy/security
System Surveyor 2.0#3

System Surveyor 2.0 by System Surveyor, Inc.

Site Surveys & System Design
Worth Considering
💼 Business
3.7(15 ratings)
Free
System Surveyor 2.0 screenshot 1
System Surveyor 2.0 screenshot 2
System Surveyor 2.0 screenshot 3
System Surveyor 2.0 screenshot 4
System Surveyor 2.0 screenshot 5

Design and plan physical security systems with this app. Upload floor plans, add device icons with coverage areas, capture photos, and automate a bill of materials. Collaborate with others and generate professional reports without paper.

More System2 apps to explore

4
Onebox – Virtual Phone System
Onebox – Virtual Phone System
Onebox – Virtual Phone System
by J2 Web Services, Inc.
Free

This app provides a virtual phone system for small businesses, enabling VoIP calling, reliable notifications, and smart call handling on mobile devices. It offers enhanced contact management and detailed call logs for better business communication.

VoIP calling within the appReliable push notificationsEnhanced shared contact management
💼 Business
(46)
ad-supported
5
Solar System Sim
Solar System Sim
Solar System Sim
Gravity Sandbox
Free

Simulate and explore celestial bodies within our solar system and beyond. Create your own solar systems, experiment with gravity and physics, and observe orbital mechanics in action.

Explore planets and moonsVisit nearby starsCreate custom solar systems
🎮 Games
(3.6K)
free with in-app purchases
6
Stickman Apple Shooting Showdown - Free Bow and Arrow Fun Doodle Skill Game
Stickman Apple Shooting Showdown - Free Bow and Arrow Fun Doodle Skill Game
Stickman Apple Shooting Showdown - Free Bow and Arrow Fun Doodle Skill Game
by RoboNacho Systems, LLC
Free

Test your aiming skills in this fun shooter game. Avoid hitting the stickman while shooting apples with a bow and arrow. Compete with friends in new multiplayer tournaments.

Aiming challengesBow and arrow gameplayAvoid shooting stickman
🎮 Games
(2.2K)
free with in-app purchases
7
Fitness System Club App
Fitness System Club App
Fitness System Club App
Exclusive Member App
Free
💪 Health & Fitness
(0)
8
3D Solar System - Planets View
3D Solar System - Planets View
3D Solar System - Planets View
Astronomy map: AR Sky observer
Free

Explore the solar system in 3D and augmented reality. Learn about planets, moons, stars, and constellations through interactive models, scientific facts, and engaging quizzes. Create your own planets with AI.

3D & AR Solar System modelsScientific facts about celestial bodiesInteractive star map
📚 Education
(1.6K)
free with in-app purchases
9
Solar System Planet Smash
Solar System Planet Smash
Solar System Planet Smash
planet destruction simulator
Free

Engage in a planet destruction simulator where you can obliterate various celestial bodies with an arsenal of weapons. Explore the cosmos and unleash your destructive power on Earth and other planets in the solar system.

Planet destruction simulatorDestroy Earth and other planetsVariety of weapons
🎮 Games
(192)
ad-supported
10
Solar Walk Ads+:Planets System
Solar Walk Ads+:Planets System
Solar Walk Ads+:Planets System
Space Simulator, Universe Map
Free

Explore a 3D model of our solar system, interact with celestial bodies, and take virtual flights through space. Learn about planets, moons, satellites, and more with educational movies and real-time orientation. Discover the universe from your device.

Interactive 3D solar system modelReal-time celestial body orientationVirtual flights between space objects
🔍 Reference
(9.6K)
free with in-app purchases
11
Doodle Color: Coloring Book
Doodle Color: Coloring Book
Doodle Color: Coloring Book
Drawing & Painting for Adults
Free

Engage in a meditative coloring experience with a vast library of images. Channel anxiety into creative masterpieces and de-stress with a wide variety of themes. Share your art and connect with a community of fellow artists.

Meditative coloring experienceOver 750 unique coloring pagesUnlimited color palettes
🎬 Entertainment
(891)
subscription
12
Chane Base system,2-95
Chane Base system,2-95
Chane Base system,2-95
base2,base10,base16,base32etc
Free

Easily convert numbers between various bases, from binary to base 95. Supports common bases like decimal and hexadecimal. Offers a user-friendly interface for quick conversions.

Converts between bases 2 to 95Supports common bases (binary, decimal, hex)User-friendly interface
🔧 Utilities
(0)
free
13
Device Monitor²
Device Monitor²
Device Monitor²
System activity info
Free

This app provides comprehensive system activity information for Apple devices, including detailed insights into hardware, sensors, and network status. It offers privacy controls, customizable widgets, and advanced testing and reporting features through optional in-app purchases.

Detailed device informationSensor access and privacy controlCustomizable widgets
🛠️ Developer Tools
(9.1K)
free with in-app purchases
14
EC2 WebOLO
EC2 WebOLO
EC2 WebOLO
by EC2 software
Free

This free iOS application simplifies the ordering of radio-pharmaceuticals for the nuclear medicine community. It ensures orders are complete, accurate, and delivered on time, streamlining a typically time-consuming process.

Order radio-pharmaceuticalsStreamline ordering processEnsure order accuracy
🏥 Medical
(2)
free
15
Vivaria Money & Budget Planner
Vivaria Money & Budget Planner
Vivaria Money & Budget Planner
Daily Debt Payoff Planner App
Free

Take control of your finances with this app designed to help you manage expenses, pay down debt, and break free from living paycheck to paycheck. It offers flexible budgeting tools, bill management, and insights to achieve financial peace of mind.

Debt Payoff Planning CenterUnlimited Envelopes/Honeypots BudgetingBreak Paycheck to Paycheck Cycle
💰 Finance
(2)
free with in-app purchases
16
Solar Walk 2 - View Planets 3D
Solar Walk 2 - View Planets 3D
Solar Walk 2 - View Planets 3D
Solar System Sim, Space Quest
$2.99

Explore our Solar System with detailed 3D models of planets, moons, and spacecraft. Discover celestial events, track space missions, and travel through time and space with an interactive encyclopedia. Stay updated with the latest astronomy news.

3D Solar System modelInteractive space encyclopediaAstronomy calendar
📚 Education
(7.2K)
free with in-app purchases
17
ePhoneGo2
ePhoneGo2
ePhoneGo2
Business mobility by ESI
Free

This app allows employees to use their personal mobile devices for business calls, maintaining a single office number and voicemail. It ensures business calls display your office caller ID and provides access to corporate contacts, even when on the go.

Receive office calls on mobileMake business calls with office caller IDVideo calls with other users
💼 Business
(1.1K)
free
18
JOY Emulator - 3DS,PS1,NDS,GBA
JOY Emulator - 3DS,PS1,NDS,GBA
JOY Emulator - 3DS,PS1,NDS,GBA
Pocket arcade on the go
Free

Relive classic video games from multiple console generations on your mobile device. This emulator offers extensive platform support, advanced features like save states and speed boosts, and cloud synchronization for seamless play across devices. Enjoy customizable controls and retro visual filters for an enhanced gaming experience.

Supports Nintendo, PlayStation, Sega, and Arcade consolesUnlimited save states and auto-saveSpeed boost mode for faster gameplay
🎬 Entertainment
(482)
free with in-app purchases
19
Competitive Mahjong 2
Competitive Mahjong 2
Competitive Mahjong 2
Online Mahjong & Casual Slots
Free

Experience authentic Taiwanese and Japanese Mahjong with diverse game modes and social features. Compete in global tournaments, join factions, and build guilds for exclusive rewards. Enjoy a 3D engine, smart AI, and unique spirit cultivation.

Authentic Taiwanese & Japanese Mahjong rulesGlobal online tournamentsFaction Wars and Guild Leagues
🎮 Games
(41)
free with in-app purchases
20
WeatherTRAK Mobile 2
WeatherTRAK Mobile 2
WeatherTRAK Mobile 2
by HydroPoint Data Systems
Free

This app allows users to remotely manage and operate smart irrigation controllers from their Apple devices. It offers a streamlined interface for adjusting settings, viewing alerts, and pausing watering for various events, providing efficient water management for landscape professionals.

Remote management of irrigation controllersAdjust station percentagesView active alerts and controller status
🔧 Utilities
(6)
free

FAQ about System2

What are the best system2 apps & games for iPhone?
Avida: 1-on-1 Fitness Coach tops our system2 apps & games ranking as of May 2026, with a 4.7-star average from 750 App Store ratings, and it's free to download.
Yes — 19 of the top system2 apps & games we rank are free to download, including Avida: 1-on-1 Fitness Coach and S2 System Status Monitor Lite with usage Widget battery charge and Memory data Manager Info.
Avida: 1-on-1 Fitness Coach has no ads and has no in-app purchases, according to its App Store listing as of May 2026.
We track 205+ system2 apps & games on the iOS App Store as of May 2026, ranked by rating, recency, and analysis of real user reviews.
Avida connects you with an elite fitness coach to create a personalized training program. Your coach provides daily communication and reviews your progress to help you achieve your fitness goals.
Your coach designs a custom workout plan based on your fitness goals, incorporating activities you enjoy and equipment you have. The app guides you through workouts with video demonstrations.

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