Comparison

Text Calculator vs SimDif

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

Head to head
About

Text Calculator

Enter mathematical formulas as text and get instant results. Review past calculations with a history feature for error checking and reuse. Supports advanced functions and constants, and can email your calculation history.

Highlights
  • Text-based formula input
  • Calculation history
  • Reuse past calculations
  • Email history
  • Advanced functions and constants
  • iPad split screen support
Features
Read full description

This is a full text calculator. Just enter your formula in the text box and tap the '=' button (or 'Return' on the keyboard). It keeps a history of your calculations. This way you can check for typos and errors in your calculations. Features: - Just tap the result or formula in the history to reuse it. - Email the history for backup or further processing - You can use the Google calculator as well (e.g. for unit conversions). - Available functions: sin, cos, tan, asin, acos, atan, sqrt, exp, log, pow, abs, round, ceil, floor, random - Available constants: PI, E, LN2, LN10, LOG2E, LOG10E, SQRT2, SQRT1_2 - iPad split screen support - Support iPhone 6 and 6+

About

SimDif

Easily create, edit, and publish professional websites from any device. AI tools assist with writing and optimization, simplifying the process for beginners and pros alike. Connect custom domains and choose from various plans, including a free option.

Highlights
  • AI-powered writing assistance
  • Step-by-step content advisor
  • Cross-device compatibility
  • Optimization Assistant for SEO
  • Customizable themes and forms
  • E-commerce integration
Features
Read full description

Build a professional website with the SimDif website builder, for free, with the same features on your phone, tablet, and computer. Create, edit, and publish a clear, effective site from any device, with AI assistance available when you want it. Where other website builders add complexity, SimDif makes creating your own website as simple as presenting what you already know about your business or activity. AI-powered writing tools and a step-by-step content advisor help you focus on what visitors and search engines need. WHY CHOOSE SIMDIF WEBSITE BUILDER • Same features on phone, tablet, and computer: switch any time. • The Optimization Assistant highlights what's missing in your site so you can publish on the web with confidence. • Kai (optional AI) can proofread and adjust writing style, suggest topic ideas, and refine titles and metadata. • Kai Chat answers your questions instantly, drawing on SimDif's full library of guides and FAQs. • In Pro, Kai can design a complete graphic theme for your site, turn rough notes into polished drafts, learn your own writing style, and help translate multilingual sites. • Professional SEO made simple with the PageOptimizer Pro (POP) integration. • Works for beginners and pros: start simple, grow when you're ready. • Connect a custom domain name from YorName and use it with any SimDif site, even a free site. SIMDIF PLANS (HOSTING INCLUDED) STARTER (Free) • Up to 5 pages • 14 color presets • Buttons for social media, communication apps, and calls to action • Free .simdif.com domain name • Optimization Assistant • Visitor statistics • Keep your free site online by publishing at least once every 6 months. SMART • Up to 12 pages • 56 color presets • Install Analytics • Enable and moderate blog comments • Control how your site is shared on social media • Audio Players: Embed music from Bandcamp, Spotify, Soundcloud, Apple Music and more • In-app hotline to the SimDif team • More shapes, fonts, and customization • Add your site to the SimDif SEO Directory for extra visibility PRO Everything in Smart, plus: • Up to 30 pages • Customizable contact forms • Create and save your own Themes (colors, fonts, shapes, and more), or let Kai Theme Creator design one for you • Password-protected pages • Hide pages from the menu E-COMMERCE SOLUTIONS •• Online stores: integrate a full store (e.g., Ecwid, Sellfy) •• Payment buttons: accept payments (e.g., PayPal, Gumroad) •• Digital downloads: sell files securely MULTILINGUAL SITES • Translate your website (140 languages available) • Create and manage a multilingual website with automatic translation and review FAIR PRICING • With FairDif, SimDif adjusts prices to the cost of living in each country, making upgrades affordable worldwide. LANGUAGES • SimDif's interface and FAQs are available in 45 languages. • You can translate your website into 140 languages with the help of AI. WHO IT'S FOR Small businesses, services, schools, NGOs, and anyone who wants a clear website. GET IN TOUCH Visit our website – https://www.simdif.com – for more information and the latest updates. SUBSCRIPTIONS: SMART & PRO • Subscriptions are charged monthly or yearly to your iTunes Account after the confirmation of purchase. • Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current period • Your account will be charged for renewal within 24-hours prior to the end of the current period, showing the cost of the renewal. => You can manage your subscriptions and auto-renewal by going to your iTunes Account Settings after purchase. • SimDif Terms of Use : https://www.simdif.com/en/tos.html

Screenshots

Text Calculator4 screens
SimDif4 screens

Verdict

The call

The clearest difference is price: SimDif at Free against Text Calculator's $0.99. SimDif also leads on rating (4.7 vs 2.0) and review sentiment (81% vs 50%). Text Calculator's advantage is in-app purchases (none vs 15). On ads, 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

SimDif is free to download; Text Calculator costs $0.99 up front. SimDif sells 15 in-app purchases, starting at $3.99 per month. Text Calculator asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SimDif holds the better App Store score, 4.7 against 2.0. That said, the two scores are not equally well evidenced: SimDif has 1.6K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 50% of Text Calculator's written reviews are positive against 81% of SimDif's.

UpkeepUpdate frequency

Text Calculator ships an update every 18 months, SimDif monthly. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.

Scorecard7 real differences · 3 level
Text Calculator versus SimDif: the parameters behind the verdict, then further details
ParameterText CalculatorSimDif
Price$0.99Free — better
Rating2.0 (3 ratings)4.7 (1.6K ratings) — better
Positive reviews50.0% of reviews81.3% of reviews — better
Number of ratings31.6K — better
Update frequencyEvery 18 monthsMonthly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationPaidFree with in-app purchases — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod, Mac — better
Requires iOS12.0 — better13.0
Further details — not scored
Size1 MB17 MB
Age rating4+4+
DeveloperPiet JonasThe Simple Different Company Ltd

Customer experience

Text Calculator

All ratings3 ratings
Positive0.0%
Neutral33.3%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

SimDif

All ratings1,575 ratings
Positive92.6%
Neutral4.3%
Negative3.1%
Written reviews674 reviews
Positive81.3%
Neutral7.4%
Negative11.3%

Bugs and requests

Text Calculator

Not enough reviews yet to summarise bugs or requests.

SimDif

Reported bugs

4 issues
  • Verification email not working
  • Inability to upload images
  • Subscription issues and billing problems
  • Compatibility problems with certain browsers

Requested features

5 requests
  • Undo/redo functionality
  • Expanded template library
  • More font and color customization
  • Ability to embed videos and documents
  • Improved SEO and analytics tools

In-app purchases

None

Text Calculator

No in-app purchases

15 purchases

SimDif

Subscriptions10
  • Smart features (1 month)$3.991 Month
  • Smart Features (1 month)$7.901 Month
  • Smart Standard (1 month)$8.491 Month
Show 7 more
  • Pro features (1 month)$14.901 Month
  • Pro Standard (1 month)$16.491 Month
  • SimDif SMART _ Annual Payment$38.991 Year
  • Smart Standard (1 year)$59.001 Year
  • Smart Features (1 year)$79.001 Year
  • Pro Standard (1 year)$109.001 Year
  • Pro features (1 year)$149.001 Year
One-time5
  • Pro Renewal for 1 Year SimDif1$39.99
  • 1 Year of Pro features for this site$54.99
  • Smart features (1 year)$59.00
Show 2 more
  • Pro features (1 year)$109.00
  • Pro Standard (1 year)$109.00

Questions

Is Text Calculator free?
Text Calculator costs $0.99, with no in-app purchases.
Is SimDif free?
SimDif is free to download, with in-app purchases available.
Which has better reviews, Text Calculator or SimDif?
SimDif is rated higher. Text Calculator averages 2.0 out of 5 from 3 ratings, while SimDif averages 4.7 from 1.6K ratings.
Do Text Calculator or SimDif have ads?
Neither Text Calculator nor SimDif shows ads.
Which is updated more often, Text Calculator or SimDif?
Text Calculator ships an update every 18 months, and SimDif monthly. Most recently, Text Calculator was updated on October 7, 2026 and SimDif on October 12, 2026.

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