Comparison

Peek Calendar vs GP Bubble

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

Head to head
About

Peek Calendar

This calendar app offers a simple, intuitive, and playful way to manage your schedule. It features a clean interface, quick event adding, and unique interactive gestures for a delightful user experience.

Highlights
  • Human-oriented flat design
  • Fast event adding and editing
  • Interactive and immersive gestures
  • Syncs with external calendars
  • Customizable color themes
  • Unified timeline view
Features
Read full description

Featured by Apple (“Best New Apps”), The Verge, Techcrunch, Wired, The Next Web, Fast Company, Lifehacker and many more from Twitter: “The calendar app that's changing my life” “I love the design so much I'm finding any excuse to add new events to it” “The calendar app I've been waiting all my life. ” ∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞ Peek is a quick and simple to use calendar for your iPhone. It is designed to be glanceable and intuitive. Peek presents the essentials in a easy to understand manner, without overwhelming you with data you might not need for an on-the-go experience. Life can be stressful, why not managing it in a slightly more playful way. Peek is designed to offer a fluid, fast and fun way to have a glance at your schedule. Along with a fresh look into the user interface, it introduces new behaviors for interaction to make the experience more delightful. Try the Peek’s shading gesture or simply shake the phone to see some Peek's life events. ∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞∞ Features: HUMAN ORIENTED & FLAT DESIGN • A completely redesigned calendar experience for iPhone. • An interface that is clean and content focused. • Unified timeline view. • Expanded current week: Today, Tomorrow and the rest of the week. ADDING EVENTS NEVER WAS SO FUN • Simple and fast to add events or edit them. • Tap and hold on any day to add a new event. • Adjust event start & end time w/o ever again typing or scrolling time wheel! • Adjust event's start time with 2 taps or drags. • Adjust event's end time with shrinking bar size. USE INTERACTIVE & IMMERSIVE GESTURES • Shading gesture - cup your hand over the top to reveal the time. • Shake to get suggestions on Peek’s life events. • Drag or swipe to the right to peek and view the duration and the location of events. CUSTOMISABLE & FLEXIBLE • Sync all external calendars supported by build-in calendar including iCloud, Google Calendar, Exchange, etc. • Different color themes. • Controlled sound and vibration feedback. • Alarms integrated. • Monday/Sunday start option. • Timezone Support with picker.

About

GP Bubble

Features
Read full description

GP Bubble is a visual task manager designed to make planning feel lighter, clearer, and faster. Instead of forcing everything into a long, crowded list, GP Bubble shows your active tasks as floating bubbles that naturally surface based on priority and urgency. You can quickly see what matters now, what can wait, and what needs attention next. For times when you want a more structured overview, GP Bubble also includes dedicated list views for all pending tasks, completed tasks, and past-due tasks. This keeps today focused while still making overdue work easy to review and edit. Features: Bubble-based task view ordered by priority and urgency Pending list view for reviewing all active tasks at once Separate past-due view for overdue tasks Completed task history One-off and recurring tasks Flexible effort estimates from 5 minutes to multi-hour tasks Priority-based organization Optional local reminders and notifications Private by default with on-device task storage GP Bubble is built for people who want a task manager that feels visual, lightweight, and easy to maintain every day.

Screenshots

Peek Calendar3 screens
GP Bubble4 screens

Verdict

The call

The clearest difference is in-app purchases: GP Bubble at none against Peek Calendar's 3. Peek Calendar's advantage is update cadence (every 2 weeks vs every 8 months) and iOS requirement (15.0 vs 18.6). On price, 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

Both are free to download. Peek Calendar sells 3 one-off in-app purchases. GP Bubble asks for nothing beyond the download.

UpkeepUpdate frequency

Peek Calendar ships an update every 2 weeks, GP Bubble every 8 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
Peek Calendar versus GP Bubble: the parameters behind the verdict, then further details
ParameterPeek CalendarGP Bubble
PriceFreeFree
Rating2.6 (22 ratings) — better—
Positive reviews55.8% of reviews—
Number of ratings22 — better—
Update frequencyEvery 2 weeks — betterEvery 8 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchases—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.0 — better18.6
Further details — not scored
Size5 MB3 MB
Age rating4+4+
DeveloperSquare MountainsGengpu Liu

In-app purchases

3 purchases

Peek Calendar

One-time3
  • Pinky theme$0.99
  • Conrast theme$0.99
  • Dark theme$0.99
None

GP Bubble

No in-app purchases

Questions

Is Peek Calendar free?
Peek Calendar is free to download, with in-app purchases available.
Is GP Bubble free?
GP Bubble is free to download, with no in-app purchases.
Do Peek Calendar or GP Bubble have ads?
Neither Peek Calendar nor GP Bubble shows ads.
Which is updated more often, Peek Calendar or GP Bubble?
Peek Calendar ships an update every 2 weeks, and GP Bubble every 8 months. Most recently, Peek Calendar was updated on October 23, 2026 and GP Bubble on October 24, 2026.

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