# Badminton Smash Power Trainer vs FlashStep

The clearest difference is in-app purchases: FlashStep at none against Badminton Smash Power Trainer's 1. FlashStep also leads on ads (none vs shown) and iOS requirement (13.0 vs 15.0). Badminton Smash Power Trainer's advantage is update cadence (every 3 days vs fortnightly). On price and device support there is nothing between them.

Both are free to download. Badminton Smash Power Trainer sells 1 one-off in-app purchase. FlashStep asks for nothing beyond the download.

Badminton Smash Power Trainer ships an update every 3 days, FlashStep fortnightly. The most recent releases landed on October 28, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Badminton Smash Power Trainer | FlashStep |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Fortnightly |
| Size | 42 MB | 26 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [zhenyu song](https://appshunter.io/developer/1721282851) | [灿 颜](https://appshunter.io/developer/500375148) |

## What reviewers say

### Badminton Smash Power Trainer

[App page](https://appshunter.io/ios/app/badminton-smash-power-trainer/id6775930960)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### FlashStep

[App page](https://appshunter.io/ios/app/flashstep/id6777315993)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Badminton Smash Power Trainer free?

Badminton Smash Power Trainer is free to download, with in-app purchases available.

### Is FlashStep free?

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

### Do Badminton Smash Power Trainer or FlashStep have ads?

Badminton Smash Power Trainer shows ads; FlashStep does not.

### Which is updated more often, Badminton Smash Power Trainer or FlashStep?

Badminton Smash Power Trainer ships an update every 3 days, and FlashStep fortnightly. Most recently, Badminton Smash Power Trainer was updated on October 28, 2026 and FlashStep 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.*