# Picker Clock vs Flip Clock 3D

The clearest difference is in-app purchases: Picker Clock at none against Flip Clock 3D's 1. Picker Clock also leads on ads (none vs shown) and update cadence (daily vs weekly). On price and device support there is nothing between them.

Both are free to download. Flip Clock 3D sells 1 one-off in-app purchase. Picker Clock asks for nothing beyond the download.

Picker Clock ships an update daily, Flip Clock 3D weekly. The most recent releases landed on September 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Picker Clock | Flip Clock 3D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (24 ratings)](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398/reviews)** |
| Number of ratings | — | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 7 MB | 206 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Chan Bill](https://appshunter.io/developer/506424571) | [乃君 黄](https://appshunter.io/developer/1337343608) |

## What reviewers say

### Picker Clock

[App page](https://appshunter.io/ios/app/picker-clock-an-adjustable-timer/id509472704)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flip Clock 3D

[App page](https://appshunter.io/ios/app/flip-clock-3d-study-time/id6670719398)

Enhance your workspace with a realistic 3D mechanical flip clock. This app helps improve focus and productivity during work or study sessions by providing a clear time display. Customize with various fonts and themes, and utilize the alarm feature when the app is active.

**Highlights:** Vivid 3D mechanical components, Adjustable viewing angles, 12/24 hour mode switching, Multiple font and theme options, Foreground alarm functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all contents | $1.99 | one-time |


## Frequently asked questions

### Is Picker Clock free?

Picker Clock is free to download, with no in-app purchases.

### Is Flip Clock 3D free?

Flip Clock 3D is free to download, with in-app purchases available.

### Do Picker Clock or Flip Clock 3D have ads?

Flip Clock 3D shows ads; Picker Clock does not.

### Which is updated more often, Picker Clock or Flip Clock 3D?

Picker Clock ships an update daily, and Flip Clock 3D weekly. Most recently, Picker Clock was updated on September 28, 2026 and Flip Clock 3D on September 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.*