# Slip Shadowboxing vs CalloutTimer

The clearest difference is in-app purchases: CalloutTimer at none against Slip Shadowboxing's 1. Slip Shadowboxing's advantage is device support (3 vs 1) and iOS requirement (13.4 vs 18.1). On price and ads there is nothing between them.

Both are free to download. Slip Shadowboxing sells 1 one-off in-app purchase. CalloutTimer asks for nothing beyond the download.

## The numbers

| Metric | Slip Shadowboxing | CalloutTimer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/slip-shadowboxing/id6504508116/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 65 MB | 11 MB |
| Requires iOS | **13.4** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hans Yadav](https://appshunter.io/developer/909818262) | [Zhituo Xia](https://appshunter.io/developer/1869815331) |

## What reviewers say

### Slip Shadowboxing

[App page](https://appshunter.io/ios/app/slip-shadowboxing/id6504508116)

This app guides you through shadowboxing workouts using audio cues. It directs you to perform specific punches and defensive moves, sometimes indicating which side of your body to use.

**Highlights:** Audio-guided boxing moves, Left/right ear cues for side-specific actions, Simple, minimalist interface, Headphone-based instruction, Variety of boxing techniques

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $9.99 | one-time |


### CalloutTimer

[App page](https://appshunter.io/ios/app/callouttimer/id6757942317)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Slip Shadowboxing free?

Slip Shadowboxing is free to download, with in-app purchases available.

### Is CalloutTimer free?

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

### Do Slip Shadowboxing or CalloutTimer have ads?

Neither Slip Shadowboxing nor CalloutTimer shows ads.

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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.*