# Number Boom! vs PrimeXTime

The clearest difference is price: PrimeXTime at Free against Number Boom!'s $2.99. Number Boom!'s advantage is iOS requirement (10.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

PrimeXTime is free to download; Number Boom! costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Number Boom! ships an update every 5 months, PrimeXTime every 4 months. The most recent releases landed on November 1, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Number Boom! | PrimeXTime |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/primextime/id1253706544/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | — | Free |
| Size | 14 MB | 6 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Pavel Kremliakov](https://appshunter.io/developer/728734154) | [Rick Hutchinson](https://appshunter.io/developer/1253697991) |

## What reviewers say

### Number Boom!

[App page](https://appshunter.io/ios/app/number-boom/id728734151)

**Features:** macOS Compatibility

**In-app purchases:** none


### PrimeXTime

[App page](https://appshunter.io/ios/app/primextime/id1253706544)

Engage your mind with a unique number-based puzzle game. Start with a random number and strategically divide by single-digit primes. Bump the number by multiplying by 10 and adding a digit to reach 1 and win.

**Highlights:** Number division by primes, Strategic bumping mechanic, Goal to reduce number to 1, Brain exercise gameplay, Simple, intuitive interface

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

**In-app purchases:** none


## Frequently asked questions

### Is Number Boom! free?

Number Boom! costs $2.99, with no in-app purchases.

### Is PrimeXTime free?

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

### Do Number Boom! or PrimeXTime have ads?

Neither Number Boom! nor PrimeXTime shows ads.

### Which is updated more often, Number Boom! or PrimeXTime?

Number Boom! ships an update every 5 months, and PrimeXTime every 4 months. Most recently, Number Boom! was updated on November 1, 2026 and PrimeXTime on November 4, 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.*