Mathintosh vs WhatsConvo

A calculator, a tip calculator, and a unit converter in one beautifully themed app. No ads, no tracking, and every feature is free. Mathintosh is a fast, fun, multi-function calculator for iPhone, iPad, iPhone Duo, and Apple Watch, packed with helpful tools, beautiful themes and plenty of ways to make it your own. Four Core Modes • Calculator: fast, easy, and every basic covered. • Scientific: trigonometry, logarithms, powers, factorials, memory and more. • Tip Calculator: pick your percentage, round the total up or down, and split the bill. • Converter: dozens of units across 10 categories, including live currency rates and time zones. Three More Modes • Fraction: separate whole-number, numerator and denominator pads, with step-by-step working. • Pythagoras: enter any two sides of a right triangle to find the third. • Quadrilaterals: solve for any four-sided shape. Made for Every Screen • iPhone Duo: Mathintosh adapts to every pose. Half-open, the display sits above the fold and the keys below; turn it sideways and your paper tape sits alongside. • iPad: big, comfortable keypads with a consistent look in every mode. • Apple Watch: a calculator on your wrist that syncs your theme from iPhone. Make It Yours • 23 themes, from classic terminals to vibrant colors and retro-inspired tech. PDP-11 and Luminosity are free, each with light and dark modes; 21 more come with a one-time purchase. • Choose your fonts, button shapes, and glass, flat or 3D button styles. • The same purchase unlocks 11 alternate app icons. Handy Extras • Paper tape: a clear history of every calculation, ready to review, pin and share. • Send a value from one mode to another with a tap. • Widgets, Control Center controls and Quick Actions. • Built-in support for VoiceOver, Dynamic Type and other accessibility features. Mathintosh is actively developed, and new features arrive regularly.

WhatsConvo turns your chat export ZIP files from WhatsApp into private, searchable archives on your iPhone or iPad. Import a chat export and browse messages, senders, dates, media, and chat statistics in a native interface. Search across your archive, revisit memories from previous years, and understand which chats and media use the most storage. IMPORT YOUR CHAT EXPORTS • Open chat export ZIP from the Files app • Supports current iOS export formats • Import text, images, videos, audio, documents, and other supported media • Preview the chat info before importing • Import multiple chats and skip duplicate messages EXPLORE YOUR ARCHIVE • Search messages and chats • View message counts, date ranges, participants, and media breakdowns • Browse media in a gallery and open individual items • Rediscover media from the same day in previous years • Track storage used and storage saved through media deduplication PRIVATE BY DESIGN • Chat processing happens on your device • No account, sign-in, analytics, advertising, or tracking • WhatsConvo has no server and does not transmit your imported chat data • Imported data remains in the app's private sandbox • Your device's standard backups may include app data, as described in the privacy policy UNLIMITED CHATS Up to three chats can be imported without a purchase; bundled samples do not count toward this limit. A one-time purchase unlocks unlimited chat imports. There is no subscription. WhatsConvo is an independent app and is not affiliated with, endorsed by, or sponsored by WhatsApp or Meta.