# Shadowtrainer vs CalloutTimer

The clearest difference is in-app purchases: CalloutTimer at none against Shadowtrainer's 1. Shadowtrainer'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. Shadowtrainer sells 1 one-off in-app purchase. CalloutTimer asks for nothing beyond the download.

## The numbers

| Metric | Shadowtrainer | CalloutTimer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 48 MB | 11 MB |
| Requires iOS | **13.4** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Thunk Tech Limited](https://appshunter.io/developer/1733288622) | [Zhituo Xia](https://appshunter.io/developer/1869815331) |

## What reviewers say

### Shadowtrainer

[App page](https://appshunter.io/ios/app/shadowtrainer/id6478547117)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $3.99 | one-time |


### CalloutTimer

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Shadowtrainer free?

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

### Is CalloutTimer free?

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

### Do Shadowtrainer or CalloutTimer have ads?

Neither Shadowtrainer 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.*