Comparison

SimpleTools vs Study Arena

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

SimpleTools

Instantly solve chemistry problems with AI-powered, step-by-step explanations. Snap a photo of any chemistry question and receive a clear, structured solution in seconds, helping students and parents understand problem-solving processes.

Highlights
  • AI-powered problem solving
  • Photo scanning for problems
  • Step-by-step explanations
  • Supports various chemistry topics
  • Unlimited scans with premium
Features
Read full description

Solve chemistry problems instantly with AI-powered step-by-step explanations. Take a photo of any chemistry problem and get a clear, structured solution in seconds. Whether you’re a student preparing for exams or a parent helping with homework, SimpleTools: Chemistry Solver helps you understand how to solve problems — not just get answers. What you can solve: • Chemical equations and reactions • Stoichiometry problems • pH and acid-base calculations • Organic chemistry problems • Ionic equations • Chemical formulas and balancing • Laboratory and homework tasks How it works: 1. Take a photo of your chemistry problem 2. Our AI analyzes it 3. Receive a detailed step-by-step solution Free & Premium: Free users can solve only one problem per day. Premium subscription unlocks: • Unlimited AI-powered solutions • Unlimited scans • Full step-by-step explanations Subscriptions are available weekly and yearly. A free trial is available for new yearly subscribers. Subscription Terms: Payment will be charged to your Apple ID account at confirmation of purchase. Subscription automatically renews unless it is canceled at least 24 hours before the end of the current period. Terms of Use: https://simpletools-apps.com/terms Privacy Policy: https://simpletools-apps.com/privacy

About

Study Arena

Read full description

Stop bouncing between AI tabs. Ask one real study question and get three different AI answers. Study Arena hides the model names until you vote, so you judge the reasoning, not the logo. Pick what helps most, reveal who wrote it, and see which AI fits your work. HOW IT WORKS • Ask once and the same question goes to three models. • Compare three anonymous answers. • Vote for A, B, C, a tie, or none. • Reveal the models only after you choose. • Help build rankings from blind community votes. BRING THE WORK YOU’RE ACTUALLY DOING Type or dictate a question, snap a worksheet, or attach a photo, PDF, text file, or draft. Ask follow-up questions in the same conversation and find past rounds in My Chats. BUILT FOR • Homework and problem sets • Assignment planning • Research questions and comparing approaches • Essay feedback and writing • Revision and concept practice • Creative exploration TRY IT BEFORE YOU SIGN UP Run a comparison and vote as a guest. Create a password-free account when you want to keep your history across devices. The core three-answer arena is free. Usage limits may apply. AI can make mistakes. Check important facts, calculations, citations, and your school’s rules before relying on an answer. Study Arena is independently owned and operated by A1Base Inc. It is not affiliated with the AI model providers shown in the app.

Screenshots

SimpleTools4 screens
Study Arena4 screens

Verdict

The call

The clearest difference is in-app purchases: Study Arena at none against SimpleTools's 2. SimpleTools's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SimpleTools sells 2 in-app purchases, starting at $4.99 per 7 days. Study Arena asks for nothing beyond the download.

UpkeepUpdate frequency

SimpleTools ships an update weekly, Study Arena every 4 days. The most recent releases landed on October 19, 2026 and October 18, 2026 respectively.

Scorecard2 real differences · 8 level
SimpleTools versus Study Arena: the parameters behind the verdict, then further details
ParameterSimpleToolsStudy Arena
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyWeeklyEvery 4 days — better
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFreemium—
DevicesiPhone, iPad — betteriPhone
Requires iOS17 — better17.6
Further details — not scored
Size15 MB29 MB
Age rating4+12+
DeveloperYevhenii KniazievA1Base Inc

In-app purchases

2 purchases

SimpleTools

Subscriptions2
  • Premium Weekly$4.997 Days
  • Premium Yearly$29.991 Year
None

Study Arena

No in-app purchases

Questions

Is SimpleTools free?
SimpleTools is free to download, with in-app purchases available.
Is Study Arena free?
Study Arena is free to download, with no in-app purchases.
Do SimpleTools or Study Arena have ads?
Study Arena shows ads; SimpleTools does not.
Which is updated more often, SimpleTools or Study Arena?
SimpleTools ships an update weekly, and Study Arena every 4 days. Most recently, SimpleTools was updated on October 19, 2026 and Study Arena on October 18, 2026.

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