Comparison

Calc vs Spam Text Blocker

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

Head to head
About

Calc

This app offers instant calculations as you type, eliminating the need for an equals button. Its notepad-style interface allows for multiple calculations at once, with smart result reuse for efficiency. It's a free, user-friendly tool for everyday math, schoolwork, and professional tasks.

Highlights
  • Instant calculation as you type
  • Multiline input for multiple problems
  • Smart result reuse
  • Basic arithmetic and percentages
  • No equals button required
  • Clean, minimalist design
Features
Read full description

Calc - multiline quick calculator. Solve any math in seconds. Are you looking for a simple calculator that's incredibly fast and easy to use? This easy calculator app is designed to make calculations effortless. Calculate anything instantly, without ever needing to press the equals button. It's like having a smart notepad that automatically solves your math problems. This isn't just another basic calculator. It's a powerful tool disguised as a simple, intuitive interface. Perfect for everyday calculations, school homework, quick office tasks, and anyone who needs to crunch numbers quickly and accurately. Why Choose This Easy Calculator? - Instant Calculation: Get your answers in real-time as you type. No more waiting, no more delays. See the results update with every keystroke. This is the fastest way to calculate. - Easy to Use: The interface is clean, clear, and incredibly user-friendly. Anyone, regardless of their math skills, can use this calculator with ease. It's designed for simplicity and efficiency. - Notepad Style: Enter multiple calculations at once, just like you would on a piece of paper. Keep your work organized and easily refer back to previous steps. No need to clear the screen after every calculation. - Smart Result Reuse: Tap on any previous result to instantly insert it into your current calculation. Save time and avoid retyping numbers. - All Essential Operations: Perform addition, subtraction, multiplication, division, and calculate percentages quickly and easily. Handle decimals with precision. - Simple and Complex: Use simple calculator, From simple arithmetic to more involved calculations, this app can handle it all. - Free Calculator App: Enjoy all these features without any cost. This is a completely free calculator app. Perfect For: - Daily Calculations: Splitting bills, calculating tips, checking grocery receipts, managing your budget – all made easier. - Students: Complete homework faster, check your answers, and understand math concepts more clearly. Ideal for all levels of education. - Professionals: Quick calculations on the go, expense reports, financial calculations, and more. - Anyone: If you need to calculate *anything*, this app is for you. Detailed Features: - Real-Time Calculation Engine: Our advanced engine provides instant results, making this the fastest calculator experience you'll find. - Multiline Input: Manage multiple calculations simultaneously. Keep your work organized and easy to follow. Perfect for complex problems. - Basic Arithmetic Operations: Addition, subtraction, multiplication, and division are all handled with precision. - Percentage Calculations: Easily calculate percentages for discounts, taxes, tips, and more. - Clean and Minimalist Design: A distraction-free interface that focuses on functionality and ease of use. - No Equals Button Needed: The app automatically calculates results as you type, streamlining the process. - Error Prevention: Smart input validation helps prevent errors and ensures accurate calculations. Stop wasting time with slow and complicated calculators. Download this easy calculator and experience the difference! Calculate instantly, accurately, and effortlessly. Get the best simple calculator app for free today. Simplify your calculations and make math easy. This free calculator is your go-to tool for all your calc needs.

About

Spam Text Blocker

Automatically detect and block unwanted text messages using on-device AI. Keep your inbox clean and secure with customizable filters for SMS and RCS. Enjoy a distraction-free messaging experience.

Highlights
  • Automatic spam blocking with AI
  • On-device privacy
  • Customizable filters
  • SMS & RCS message filtering
  • Blocks 99% of spam texts
Features
Read full description

Tired of spam text messages flooding your inbox? Filtera automatically detect and block spam texts, keeping your messages clean and secure. Powered by a secure, on-device AI. Key Features: - Block 99% of spam texts. - Automatic Spam Blocking with AI. No manual filtering needed. - 100% Private and processed locally in your device. We never send your message to servers, keeping your messages safe. - Customize your filters with keywords, sender, or regular expression. - Filter spam in SMS & RCS messages No more distractions and stay focused with Filtera. Download now and and enjoy spam-free inbox! TERMS OF USE (EULA) https://www.apple.com/legal/internet-services/itunes/dev/stdeula PRIVACY POLICY https://filtera.ashidiqi.com/privacy

Screenshots

Calc4 screens
Spam Text Blocker4 screens

Verdict

The call

The clearest difference is in-app purchases: Calc at none against Spam Text Blocker's 4. Calc also leads on rating (4.8 vs 4.5) and ratings volume (44 vs 11). On price, review sentiment, 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. Spam Text Blocker sells 4 in-app purchases, starting at $1.49 per month. Calc asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Calc holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 44 and 11 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 weeks. Both last shipped on November 4, 2026.

Scorecard5 real differences · 5 level
Calc versus Spam Text Blocker: the parameters behind the verdict, then further details
ParameterCalcSpam Text Blocker
PriceFreeFree
Rating4.8 (44 ratings) — better4.5 (11 ratings)
Positive reviews100.0% of reviews100.0% of reviews
Number of ratings44 — better11
Update frequencyEvery 3 weeksEvery 3 weeks
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better17.0
Further details — not scored
Size18 MB27 MB
Age rating4+4+
DeveloperAleksei KhaliapinDimas Ashidiqi

Customer experience

Calc

All ratings44 ratings
Positive95.5%
Neutral2.3%
Negative2.3%
Written reviews14 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Spam Text Blocker

All ratings9 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Calc

No in-app purchases

4 purchases

Spam Text Blocker

Subscriptions2
  • Monthly Pro3 Days trial$1.491 Month
  • Yearly Pro7 Days trial$9.991 Year
One-time2
  • Lifetime Pro$11.99
  • Lifetime Pro$14.99

Questions

Is Calc free?
Calc is free to download, with no in-app purchases.
Is Spam Text Blocker free?
Spam Text Blocker is free to download, with in-app purchases available.
Which has better reviews, Calc or Spam Text Blocker?
Calc is rated higher. Calc averages 4.8 out of 5 from 44 ratings, while Spam Text Blocker averages 4.5 from 11 ratings.
Do Calc or Spam Text Blocker have ads?
Neither Calc nor Spam Text Blocker shows ads.
Which is updated more often, Calc or Spam Text Blocker?
Calc ships an update every 3 weeks, and Spam Text Blocker every 3 weeks. Most recently, Calc was updated on November 4, 2026 and Spam Text Blocker on November 4, 2026.

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