# iStrobo vs M Champions Deck Builder

The clearest difference is price: M Champions Deck Builder at Free against iStrobo's $0.99. M Champions Deck Builder also leads on rating (4.5 vs 2.7) and ratings volume (128 vs 3). iStrobo's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

M Champions Deck Builder is free to download; iStrobo costs $0.99 up front. M Champions Deck Builder sells 1 one-off in-app purchase. iStrobo asks for nothing beyond the download.

M Champions Deck Builder holds the better App Store score, 4.5 against 2.7. That said, the two scores are not equally well evidenced: M Champions Deck Builder has 128 ratings behind it against 3, so its average is the more settled of the two. Written reviews complicate that: 88% of iStrobo's written reviews are positive against 54% of M Champions Deck Builder's, so the app with the better star average is not the one people write more warmly about.

iStrobo ships an update every 3 weeks, M Champions Deck Builder weekly. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | iStrobo | M Champions Deck Builder |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.7 (3 ratings)](https://appshunter.io/ios/app/istrobo/id322275101/reviews) | **[4.5 (128 ratings)](https://appshunter.io/ios/app/m-champions-deck-builder/id1529638429/reviews)** |
| Number of ratings | 3 | **128** |
| Positive reviews | **87.5% of reviews** | 53.8% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 4 MB | 20 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sebastien BUET](https://appshunter.io/developer/321941181) | [Enrique Tortosa Soriano](https://appshunter.io/developer/884496724) |

## What reviewers say

### iStrobo

[App page](https://appshunter.io/ios/app/istrobo/id322275101)

Transform your iOS device into a portable stroboscope. Adjust flash speed, screen color, and choose between the device's flash, screen, or both for illumination. Ideal for parties or as a safety beacon for visibility in the dark.

**Highlights:** Adjustable flash speed (BPM), Customizable screen color, Use device flash, screen, or both, Party animation mode, Safety visibility mode

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

**In-app purchases:** none


### M Champions Deck Builder

[App page](https://appshunter.io/ios/app/m-champions-deck-builder/id1529638429)

Easily create and manage custom decks for a popular card game. Synchronize your creations with an online database to share and discover new strategies.

**Highlights:** Hero selection, Instant deck building, Deck list creation, Synchronization with marvelcdb.com, Build best decks

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $3.99 | one-time |

**What reviewers like**

- 👍 Great tool for Marvel Champions
- 👍 Useful for deck building
- 👍 Allows viewing user-created decks
- 👍 Good groundwork laid
- 👍 Appreciated by users

**What reviewers complain about**

- 🐛 Cannot create decks in-app
- 🐛 Requires website account creation
- 🐛 External browser redirects for deck creation
- 🐛 UI not alphabetical
- 🐛 Counters tab limited

**Reported bugs**

- External browser redirects not working correctly
- App fails with Spiderwoman, deletes cards/aspects
- Cannot delete decks
- Missing card images for recent releases
- App does not update decks created on the app then tweaked on the website

**Requested features**

- Add 'add character' function for counters
- Allow manual input of villains/heroes
- Search decks by name
- Search cards by name
- Filter cards by aspect/type


## Frequently asked questions

### Is iStrobo free?

iStrobo costs $0.99, with no in-app purchases.

### Is M Champions Deck Builder free?

M Champions Deck Builder is free to download, with in-app purchases available.

### Which has better reviews, iStrobo or M Champions Deck Builder?

M Champions Deck Builder is rated higher. iStrobo averages 2.7 out of 5 from 3 ratings, while M Champions Deck Builder averages 4.5 from 128 ratings.

### Do iStrobo or M Champions Deck Builder have ads?

M Champions Deck Builder shows ads; iStrobo does not.

### Which is updated more often, iStrobo or M Champions Deck Builder?

iStrobo ships an update every 3 weeks, and M Champions Deck Builder weekly. Most recently, iStrobo was updated on November 6, 2026 and M Champions Deck Builder on November 3, 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.*