# PusunTennis vs Calefact

The clearest difference is update cadence: PusunTennis at monthly against Calefact's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

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

PusunTennis ships an update monthly, Calefact every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | PusunTennis | Calefact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (7 ratings)](https://appshunter.io/ios/app/pusuntennis/id1589369467/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Free | — |
| Size | 42 MB | 12 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 12+ |
| Developer | [Shenzhen pushang health technology co., LTD](https://appshunter.io/developer/1457679530) | [Calefact Limited](https://appshunter.io/developer/1829616586) |

## What reviewers say

### PusunTennis

[App page](https://appshunter.io/ios/app/pusuntennis/id1589369467)

Control your intelligent tennis ball machine with this app. Connect via Bluetooth to customize ball direction, frequency, speed, and spin for various training modes.

**Highlights:** Bluetooth connectivity, Mode selection, Ball direction control, Ball frequency adjustment, Ball speed setting, Spin degree adjustment

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

**In-app purchases:** none


### Calefact

[App page](https://appshunter.io/ios/app/calefact/id6499568921)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PusunTennis free?

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

### Is Calefact free?

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

### Do PusunTennis or Calefact have ads?

Neither PusunTennis nor Calefact shows ads.

### Which is updated more often, PusunTennis or Calefact?

PusunTennis ships an update monthly, and Calefact every 3 months. Most recently, PusunTennis was updated on October 27, 2026 and Calefact on October 25, 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.*