Comparison

TwinMind vs Calculator XplusY

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

Head to head
About

TwinMind

This app acts as an AI-powered second brain, capturing and transcribing your conversations, meetings, and lectures. It automatically generates summaries, suggests tasks, and builds a searchable memory bank for personalized assistance and content generation, all while prioritizing user privacy.

Highlights
  • AI-powered transcription
  • Automated summaries and action items
  • Searchable memory bank
  • Personalized AI suggestions
  • Content generation (emails, study guides)
  • On-device transcription
  • Privacy-focused data handling
Features
Read full description

TwinMind captures everything you say and hear in your conversations, meetings, and lectures. It automatically transcribes, summarizes, and proactively offers suggestions, so you never forget anything and always know what's next. The app builds your Second Brain by capturing your life. Every capture builds TwinMind in the background, all day without draining your battery. It works in any of 140+ languages. The longer you use TwinMind, the more it can do for you. ASK YOUR LIFE ANYTHING Whatever the question, it answers from your conversations, email, and the web. One subscription covers pro ChatGPT, Claude and Gemini like Sol, Opus, Sonnet & Fable. YOUR SECOND BRAIN People and memorable moments get their own pages, updating daily. Days of captures read like an encyclopedia of your life. PREPARED BEFORE YOU ASK Your daily digest lands every morning with yesterday's highlights and today's priorities. Connect your calendar and email to get briefed on what's next, with replies already drafted. TURN CONVERSATIONS INTO CREATIONS Connect TwinMind to Claude or ChatGPT over MCP, and your memories become reports, prototypes, drafts, or anything you can describe. PRIVATE BY DESIGN Audio is deleted after transcription by default. If you turn on Save Audio, we store it until you delete it. When you record offline, audio stays on your device until it is transcribed. How it works: • Tap Capture on your phone, watch, or laptop • Put the phone away; it transcribes in the background all day • Every capture becomes a memory, with the summary, action items, and transcript • Your second brain fills itself in with people, projects, and moments • Your daily digest arrives each morning with yesterday's highlights and your priorities • Chat across memories, with your email, calendar, and digital life included • Connect Claude or ChatGPT and turn memories into creations Try TwinMind on your next conversation. It's free, with unlimited transcription. Upgrade to Pro or Max for advanced features & the latest flagship models. Supported platforms: Available on iPhone, iPad, Apple Watch, and Mac. Top supported languages: English, Chinese (Simplified), Hindi (हिन्दी), Spanish (Español), French (Français), Arabic (العربية), Bengali (বাংলা), Portuguese (Português), Russian (Русский), Urdu (اردو), Indonesian (Bahasa Indonesia), German (Deutsch), Japanese (日本語), Nigerian Pidgin, Marathi (मराठी), Telugu (తెలుగు), Turkish (Türkçe), Tamil (தமிழ்), Cantonese (廣東話), Vietnamese (Tiếng Việt) Terms of Service: https://twinmind.com/terms-of-service/ Privacy Policy: https://twinmind.com/privacy-policy/

About

Calculator XplusY

Read full description

Calculate faster. Think less. XplusY keeps every formula just one tap away. Create and save your own formulas, design custom buttons, and explore a growing library of predefined calculations across multiple disciplines XplusY uses a simple and powerful logic: “X” is the number you enter before pressing a formula button, and “Y” is the number you enter afterwards. This makes every custom formula easy to understand, predictable, and incredibly fast to use. Key features: - Custom formulas with dynamic input buttons - Reorder buttons freely to create your own layout - Two calculation modes – instant evaluation or step-by-step results - Display formulas during calculations for full transparency - Predefined calculations in finance, engineering, physics, geodesy, conversions, electromobility, and more - Real-time currency conversion with up-to-date exchange rates - Clean, intuitive interface with full Dark and Light mode support - Works offline for core calculations - History log for quick access to previous results - Swipe gesture to delete the last digit or clear input instantly - Customizable design – change button colors, background, and layout to match your style Whether you’re calculating percentages, converting slope values, or working with geodetic coordinates, XplusY lets you work faster and focus on results, not on switching between functions. Download now and redefine how you calculate.

Screenshots

TwinMind4 screens
Calculator XplusY4 screens

Verdict

The call

The clearest difference is price: TwinMind at Free against Calculator XplusY's $1.99. TwinMind also leads on update cadence (weekly vs fortnightly). Calculator XplusY's advantage is in-app purchases (none vs 4) and iOS requirement (13.0 vs 17.0). On ads and device support 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

TwinMind is free to download; Calculator XplusY costs $1.99 up front. TwinMind sells 4 in-app purchases, starting at $14.99 per month. Calculator XplusY asks for nothing beyond the download.

UpkeepUpdate frequency

TwinMind ships an update weekly, Calculator XplusY fortnightly. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

Scorecard4 real differences · 6 level
TwinMind versus Calculator XplusY: the parameters behind the verdict, then further details
ParameterTwinMindCalculator XplusY
PriceFree — better$1.99
Rating4.8 (927 ratings) — better—
Positive reviews78.4% of reviews—
Number of ratings927 — better—
Update frequencyWeekly — betterFortnightly
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, Apple WatchiPhone, iPad, iPod
Requires iOS17.013.0 — better
Further details — not scored
Size136 MB18 MB
Age rating4+4+
DeveloperThirdEar AI Inccrea:do s.r.o.

Bugs and requests

TwinMind

Requested features

1 request
  • Capture widget for quick access

Calculator XplusY

Not enough reviews yet to summarise bugs or requests.

In-app purchases

4 purchases

TwinMind

Subscriptions4
  • TwinMind PRO (Monthly)7 Days trial$14.991 Month
  • TwinMind MAX (Monthly)7 Days trial$49.991 Month
  • TwinMind PRO (Annual)7 Days trial$143.991 Year
Show 1 more
  • TwinMind MAX (Yearly)7 Days trial$359.991 Year
None

Calculator XplusY

No in-app purchases

Questions

Is TwinMind free?
TwinMind is free to download, with in-app purchases available.
Is Calculator XplusY free?
Calculator XplusY costs $1.99, with no in-app purchases.
Do TwinMind or Calculator XplusY have ads?
Neither TwinMind nor Calculator XplusY shows ads.
Which is updated more often, TwinMind or Calculator XplusY?
TwinMind ships an update weekly, and Calculator XplusY fortnightly. Most recently, TwinMind was updated on November 4, 2026 and Calculator XplusY on October 30, 2026.

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