# Zephy vs WattPay

The clearest difference is iOS requirement: Zephy at 13.0 against WattPay's 15.1. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Zephy ships an update fortnightly, WattPay every 10 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zephy | WattPay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (162 ratings)](https://appshunter.io/ios/app/zephy/id6749452267/reviews)** | — |
| Number of ratings | **162** | — |
| Positive reviews | 73.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 10 days** |
| Monetization | Free | — |
| Size | 29 MB | 49 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dennis Moes](https://appshunter.io/developer/1762854978) | [cThings Limited](https://appshunter.io/developer/1741309355) |

## What reviewers say

### Zephy

[App page](https://appshunter.io/ios/app/zephy/id6749452267)

Discover aircraft flying overhead with a live radar and compass. Track specific planes to see their origin and destination, or find the closest aircraft with a single tap. Enjoy a simple, clutter-free experience for sky-watchers.

**Highlights:** Live aircraft radar, Filter by distance, altitude, direction, Track specific aircraft, View aircraft origin and destination, Built-in compass, Track closest plane button

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

**In-app purchases:** none


### WattPay

[App page](https://appshunter.io/ios/app/wattpay/id6757710200)

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

**In-app purchases:** none


## Frequently asked questions

### Is Zephy free?

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

### Is WattPay free?

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

### Do Zephy or WattPay have ads?

Neither Zephy nor WattPay shows ads.

### Which is updated more often, Zephy or WattPay?

Zephy ships an update fortnightly, and WattPay every 10 days. Most recently, Zephy was updated on November 8, 2026 and WattPay on October 31, 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.*