# Periscope View vs Flip Clock

The clearest difference is in-app purchases: Periscope View at none against Flip Clock's 1. Periscope View also leads on iOS requirement (15.6 vs 17.0). On price, ads and device support there is nothing between them.

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

## The numbers

| Metric | Periscope View | Flip Clock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Monthly |
| Size | 2 MB | 3 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [John Martin](https://appshunter.io/developer/1789370483) | [磊 刘](https://appshunter.io/developer/1892400556) |

## What reviewers say

### Periscope View

[App page](https://appshunter.io/ios/app/periscope-view/id6742255750)

**In-app purchases:** none


### Flip Clock

[App page](https://appshunter.io/ios/app/flip-clock-timer-and-focus/id6767742797)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SimpleClock Pro Edition | $2.99 | one-time |


## Frequently asked questions

### Is Periscope View free?

Periscope View is free to download, with no in-app purchases.

### Is Flip Clock free?

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

### Do Periscope View or Flip Clock have ads?

Neither Periscope View nor Flip Clock shows ads.

---

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