Comparison

CALC Smart Calculator ± vs AI Using Guide

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

Head to head
About

CALC Smart Calculator ±

This app offers a versatile calculator experience with basic, scientific, and advanced modes. It features real-time results, unit conversions, custom functions, and a shareable history. Optimized for various Apple devices, it's designed for ease of use by students, professionals, and scientists.

Highlights
  • Real-time results
  • Unit and currency conversions
  • Custom functions and constants
  • Shareable calculation history
  • Landscape mode with tape-roll
  • Gratuity calculator
Features
Read full description

Why Choose CALC Smart? ► Used by Scientists, Professionals and Students alike ► Apple-Featured: Spotlighted in Utilities and Calculate & Convert. ► User-Loved: Over 10k+ global reviews and 200M+ sessions validate its utility. ► Educator-Certified: Praised by teachers on the Educational App Store for its intuitive UI. Ready for the Latest OS * Multitask on your iPad and use 3D Touch shortcuts. * Search your calculation history with Spotlight. * Widget with history integration. * Apple Watch support, complete with haptic feedback and complications. Top 10 Unique Features ① Real-time results, even with incomplete parentheses. ② Landscape mode for shareable history and tape-roll. ③ Optimized custom keyboard & widget to save space and time. ④ Fast unit and currency conversions—a swipe away. ⑤ Quick gratuity calculator with rounding options. ⑥ Display decimals as fractions with 1/999 precision. ⑦ Create unlimited custom functions and constants. ⑧ Easy expression sharing via link. ⑨ Built-in timer. ⑩ Limitless themes and layouts. Why Users Love CALC * Live Math: Natural input, even for complex calculations. * Swipe Functions: Over 60 advanced math functions just a swipe away. * History: Never lose track of your calculations. * Conversion: 21 categories, plus custom options. Additional Features * Edit on the Fly: Long-press to modify expressions and numbers. * Audio Feedback: Customize tapping sounds. * Styling: Multiple font choices. * Enterprise-Ready: EMM support with MDM & AppConfig. We Listen * Frequent updates based on your feedback. Got a suggestion? Visit our UserVoice page: https://QApps.UserVoice.com Custom Background Tip * Design your own CALC background with images from NASA’s multimedia library: https://nasa.gov/multimedia Terms & Usage * Using this app means agreeing to the standard Terms of Use. Standard Terms of Use (EULA) - https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

AI Using Guide

Features
Read full description

Get started with AI using our simple and easy-to-use guide. Whether you're new to AI or looking to expand your knowledge, our app has everything you need to get started. Learn about the basics of AI with our introduction to artificial intelligence. We'll cover the categories and how AI is used now. Take your AI skills to the next level with our prompt engineering section. Learn how to construct prompts that will help you fine-tune your AI models and improve their accuracy and performance. Keep track of your AI projects /Knowledge with our writing notes feature. Also, you can make your note/info card. Easily jot down ideas, keep track of progress, and stay organized. Changing backgrounds from your photos with our AI-powered changing backgrounds function. No more struggling with complex photo editing tools - our app makes it easy to change backgrounds and focus on what matters most. Explore a variety of AI tools by tools list that enhance your productivity. Download AI Using Guide: Simple & Easy today and start exploring the exciting world of artificial intelligence!

Screenshots

CALC Smart Calculator ±4 screens
AI Using Guide4 screens

Verdict

The call

The clearest difference is in-app purchases: AI Using Guide at none against CALC Smart Calculator ±'s 4. AI Using Guide also leads on iOS requirement (15.0 vs 17.0). CALC Smart Calculator ±'s advantage is device support (4 vs 2). On price, update cadence and ads 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. CALC Smart Calculator ± sells 4 in-app purchases, starting at $0.99 per 3 months. AI Using Guide asks for nothing beyond the download.

UpkeepUpdate frequency

CALC Smart Calculator ± ships an update fortnightly, AI Using Guide every 9 days. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
CALC Smart Calculator ± versus AI Using Guide: the parameters behind the verdict, then further details
ParameterCALC Smart Calculator ±AI Using Guide
PriceFreeFree
Rating4.8 (2.4K ratings) — better—
Positive reviews87.2% of reviews—
Number of ratings2.4K — better—
Update frequencyFortnightlyEvery 9 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPod
Requires iOS17.015.0 — better
Further details — not scored
Size16 MB145 MB
Age rating4+4+
DeveloperQApps LLCMan Hung Sun

Bugs and requests

CALC Smart Calculator ±

Reported bugs

3 issues
  • Calculation errors in certain scenarios
  • Forced tutorial popup on every launch
  • Unreliable widget functionality

Requested features

4 requests
  • Ability to easily clear calculation history
  • Option to customize button layout
  • Support for entering hexadecimal numbers
  • Integration with other apps and services

AI Using Guide

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

CALC Smart Calculator ±

Subscriptions4
  • Quarterly Supporter$0.993 Months
  • Quarterly Supporter7 Days trial$1.993 Months
  • Annual Contributor$2.991 Year
Show 1 more
  • Annual Contributor7 Days trial$5.991 Year
None

AI Using Guide

No in-app purchases

Questions

Is CALC Smart Calculator ± free?
CALC Smart Calculator ± is free to download, with in-app purchases available.
Is AI Using Guide free?
AI Using Guide is free to download, with no in-app purchases.
Do CALC Smart Calculator ± or AI Using Guide have ads?
Neither CALC Smart Calculator ± nor AI Using Guide shows ads.
Which is updated more often, CALC Smart Calculator ± or AI Using Guide?
CALC Smart Calculator ± ships an update fortnightly, and AI Using Guide every 9 days. Most recently, CALC Smart Calculator ± was updated on November 6, 2026 and AI Using Guide on November 3, 2026.

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