# Peek Calendar vs GP Bubble

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.

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

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.

## The numbers

| Metric | Peek Calendar | GP Bubble |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (22 ratings)](https://appshunter.io/ios/app/peek-calendar-simple-cal/id776314791/reviews)** | — |
| Number of ratings | **22** | — |
| Positive reviews | 55.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 8 months |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 3 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Square Mountains](https://appshunter.io/developer/776314794) | [Gengpu Liu](https://appshunter.io/developer/1877091291) |

## What reviewers say

### Peek Calendar

[App page](https://appshunter.io/ios/app/peek-calendar-simple-cal/id776314791)

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:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinky theme | $0.99 | one-time |
| Conrast theme | $0.99 | one-time |
| Dark theme | $0.99 | one-time |


### GP Bubble

[App page](https://appshunter.io/ios/app/gp-bubble/id6759848712)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*