# Callout vs Shadowtrainer

The clearest difference is update cadence: Shadowtrainer at fortnightly against Callout's every 3 months. Shadowtrainer also leads on iOS requirement (13.4 vs 16.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Callout sells 1 one-off in-app purchase and Shadowtrainer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Callout ships an update every 3 months, Shadowtrainer fortnightly. The most recent releases landed on September 21, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Callout | Shadowtrainer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (117 ratings)](https://appshunter.io/ios/app/callout-the-boxing-app/id1473350118/reviews)** | — |
| Number of ratings | **117** | — |
| Positive reviews | 72.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 48 MB |
| Requires iOS | 16.0 | **13.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Zack Bartel](https://appshunter.io/developer/1069647834) | [Thunk Tech Limited](https://appshunter.io/developer/1733288622) |

## What reviewers say

### Callout

[App page](https://appshunter.io/ios/app/callout-the-boxing-app/id1473350118)

This app acts as a boxing workout assistant, calling out punch combinations during rounds to enhance training. It allows for extensive personalization of workout durations, combination frequency, and coach voice. Track your progress and adapt workouts to your skill level.

**Highlights:** Customizable round and rest durations, Adjustable combination call-out frequency, Create custom punch combinations, Select workout intensity and pace, Choose coach's voice, Apple Health integration, Southpaw mode

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Callout Pro | $1.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 💡 Customizable combos
- 💰 Worth the pro price
- 💪 Great for workouts
- ✨ Elegant solution

**What reviewers complain about**

- 🔊 Loud bell sound
- 🗣️ Voice issues/changes
- ⚖️ Combo balance issues
- 🎛️ Intensity setting bug

**Reported bugs**

- Voice boost distorts/doesn't work on newer iOS
- Voice boost broken on iOS 17
- Voice boost is ear rape/joke
- Static noise instead of voice
- Bug with voice boost on iPhone 15 Pro

**Requested features**

- Add defensive moves (slips, blocks, rolls, weaves)
- Add body shots (numbers 7-10)
- Display called out combos on screen
- Tie combo frequency to specific workouts
- Adjust bell volume or mute bell


### 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 |


## Frequently asked questions

### Is Callout free?

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

### Is Shadowtrainer free?

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

### Do Callout or Shadowtrainer have ads?

Neither Callout nor Shadowtrainer shows ads.

### Which is updated more often, Callout or Shadowtrainer?

Callout ships an update every 3 months, and Shadowtrainer fortnightly. Most recently, Callout was updated on September 21, 2026 and Shadowtrainer on September 8, 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.*