# Spectrumizer vs Cardjo

The clearest difference is in-app purchases: Spectrumizer at none against Cardjo's 2. Spectrumizer also leads on ads (none vs shown). Cardjo's advantage is iOS requirement (13.0 vs 17.6). On price, update cadence and device support there is nothing between them.

Both are free to download. Cardjo sells 2 one-off in-app purchases. Spectrumizer asks for nothing beyond the download.

Spectrumizer ships an update every 5 days, Cardjo every 3 days. The most recent releases landed on October 28, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Spectrumizer | Cardjo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | **Every 3 days** |
| Size | 3 MB | 128 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mehran Naghizadeh](https://appshunter.io/developer/1273578621) | [thomas templier](https://appshunter.io/developer/1697210339) |

## What reviewers say

### Spectrumizer

[App page](https://appshunter.io/ios/app/spectrumizer/id6739510841)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cardjo

[App page](https://appshunter.io/ios/app/cardjo/id6745458294)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1,000 Gold Pack | $0.99 | one-time |
| 10,000 Gold Pack | $3.99 | one-time |


## Frequently asked questions

### Is Spectrumizer free?

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

### Is Cardjo free?

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

### Do Spectrumizer or Cardjo have ads?

Cardjo shows ads; Spectrumizer does not.

### Which is updated more often, Spectrumizer or Cardjo?

Spectrumizer ships an update every 5 days, and Cardjo every 3 days. Most recently, Spectrumizer was updated on October 28, 2026 and Cardjo on October 30, 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.*