Comparison

Personal Calendar vs Stacks

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

Head to head
About

Personal Calendar

Features
Read full description

Personal Calendar is a calm, beautifully themed daily companion. It unifies your calendar, assistant, notes, habits, to-dos, weather, and market rates into a single glanceable home screen β€” then gets out of your way. THREE VISUAL DIRECTIONS β€’ Morning Light β€” clean, minimal, indigo. A crisp everyday look. β€’ Almanac β€” warm editorial paper with cream, ink, and amber. β€’ Midnight β€” dark glass with electric lilac. Beautiful at night. Switch themes any time from Settings. Every surface, icon, and category color is routed through the active theme β€” no bleed, no compromise. CALENDAR THAT ACTUALLY WORKS β€’ Six views β€” Day, Week, Month, Agenda, Kanban, Timeline β€” all from one cursor. β€’ Overlapping events render side-by-side as parallel columns, like Apple Calendar. β€’ Week auto-scrolls to today. Month cells show category-colored dots; tap a day to jump to Day view. β€’ Customizable week start β€” Monday or Sunday. NATURAL-LANGUAGE QUICK ADD Type β€œDentist tomorrow at 3pm for 1h” β€” we parse the title, category, date, and duration. No forms to fill. ASSISTANT CHAT Ask for events, todos, and notes in plain English. The assistant adds them straight to your calendar, with a subtle thinking indicator while it works. CUSTOMIZABLE HOME β€’ Weather hero with conditions, highs/lows, humidity, and a live feels-like. β€’ Today / habits / todos counters. β€’ USD, EUR, and gram gold in Turkish Lira β€” refreshed automatically. β€’ Up next, habit chips, open to-dos, and a gorgeous moon phase / sunrise / sunset card. Use the pencil button in the header to toggle sections on or off. WEATHER YOU CAN TRUST Live Open-Meteo data in Β°C or Β°F, hourly for the next 24 hours and daily for 10 days. Real sun, moon, cloud, rain, snow, thunder, fog, and cloud-moon glyphs β€” no more sun icons on rainy days. PRIVATE CLOUD SYNC Your data is backed up to your private cloud in the background. Works fully offline too β€” nothing is ever required to be online. HABIT STREAKS, NOTES, WEATHER LOCATIONS Build small daily habits with streak counters. Keep lightweight notes with pin and search. Watch the weather in every city you care about. NO ADS, NO TRACKING, NO ACCOUNT REQUIRED.

About

Stacks

Features
Read full description

Everything you save online ends up scattered β€” a restaurant buried in your Instagram saves, a recipe in a TikTok favourite, a hotel in a Safari tab you'll never find again. Stacks brings all of it into one place and organizes it for you. Share a link to Stacks from any app and it reads the page, works out what it is, and files it away: the restaurant into Food, the hotel into Travel, the outfit into Fashion β€” with a title, a summary, tags and a cover image, ready to find months later. SAVE FROM ANYWHERE β€’ Share from Instagram, TikTok, Pinterest, Reddit, YouTube, X, Facebook or Safari β€” anything with a share sheet β€’ Or paste a link straight into the app β€’ Shared links are imported and organized in the background, before you next open the app ORGANIZED FOR YOU β€’ Every save is categorized automatically β€” Food, Travel, Fashion, Fitness, Shopping, Learning and more β€’ Tags, topics, summaries, places, brands and recipes pulled out of the page for you β€’ Smart collections group related saves into a trip, a reservation, a concert, a birthday β€’ Or build your own collections by hand FIND IT BY MEANING β€’ Search understands what you meant, not just the words you typed β€’ "Sushi in Tokyo" or "black outfit" surfaces the right save, even when those exact words aren't in it β€’ Filter by category, platform, tag or collection MORE THAN A BOOKMARK β€’ Map β€” every saved place on one map, exactly what you want before a trip β€’ Calendar β€” put a save on a date and get a reminder when it matters β€’ Notes and checklists on any save, for packing, shopping and planning β€’ Favourites and an archive to keep the list clean PRIVATE BY DESIGN β€’ No account. Nothing to sign up for β€’ On iPhones with Apple Intelligence, saves are analyzed by Apple's on-device model; on every other iPhone an on-device fallback does the same job β€’ Search runs on-device too β€” no query ever leaves your iPhone β€’ No analytics, no ads, no tracking, no third-party SDKs, and no servers of ours for anything to be sent to Free, with no subscription and no in-app purchases.

Screenshots

Personal Calendar4 screens
Stacks4 screens

Verdict

The call

The clearest difference is iOS requirement: Personal Calendar at 15.1 against Stacks's 26.0. On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Β· 5 level
Personal Calendar versus Stacks: the parameters behind the verdict, then further details
ParameterPersonal CalendarStacks
PriceFreeFree
Update frequencyEvery 2 daysβ€”
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better26.0
Further details β€” not scored
Size27 MB7 MB
Age rating4+4+
DeveloperYakup KeskinGerard Rodriguez

In-app purchases

None

Personal Calendar

No in-app purchases

None

Stacks

No in-app purchases

Questions

Is Personal Calendar free?
Personal Calendar is free to download, with no in-app purchases.
Is Stacks free?
Stacks is free to download, with no in-app purchases.
Do Personal Calendar or Stacks have ads?
Neither Personal Calendar nor Stacks shows ads.

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