# Spectrumizer vs Number Attack

The clearest difference is in-app purchases: Spectrumizer at none against Number Attack's 10. Spectrumizer also leads on ads (none vs shown) and update cadence (every 5 days vs every 5 weeks). Number Attack's advantage is iOS requirement (13.0 vs 17.6). On price and device support there is nothing between them.

Both are free to download. Number Attack sells 10 one-off in-app purchases. Spectrumizer asks for nothing beyond the download.

Spectrumizer ships an update every 5 days, Number Attack every 5 weeks. The most recent releases landed on October 28, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Spectrumizer | Number Attack |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 5 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 3 MB | 248 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [Mehran Naghizadeh](https://appshunter.io/developer/1273578621) | [KURTSOFT YAZILIM VE TEKNOLOJI ANONIM SIRKETI](https://appshunter.io/developer/1807258903) |

## What reviewers say

### Spectrumizer

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

**Features:** macOS Compatibility

**In-app purchases:** none


### Number Attack

[App page](https://appshunter.io/ios/app/number-attack-duel/id6744354048)

Engage in real-time competitive puzzle duels by matching numbers. Utilize strategic skills and hybrid match-3/match-4 mechanics to outsmart global opponents and climb league ranks for exclusive rewards. Enjoy endless replayability with fresh challenges.

**Highlights:** Real-time multiplayer duels, Strategic skill system, Hybrid match-3 and match-4 mechanics, League rankings and rewards, Play with friends or global rivals, Endless replayability

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Coin | $0.49 | one-time |
| Lucky Wheel | $1.99 | one-time |
| 500 Coin | $2.49 | one-time |
| 1000 Coin | $4.99 | one-time |
| 2500 Coin | $9.99 | one-time |
| Mega Pack | $19.99 | one-time |
| 5000 Coin | $19.99 | one-time |
| 10000 Coin | $34.99 | one-time |
| Exclusive Package | $39.99 | one-time |
| Champion Pack | $79.99 | one-time |


## Frequently asked questions

### Is Spectrumizer free?

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

### Is Number Attack free?

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

### Do Spectrumizer or Number Attack have ads?

Number Attack shows ads; Spectrumizer does not.

### Which is updated more often, Spectrumizer or Number Attack?

Spectrumizer ships an update every 5 days, and Number Attack every 5 weeks. Most recently, Spectrumizer was updated on October 28, 2026 and Number Attack on September 24, 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.*