# Quantum Mobile vs PBExpo

The clearest difference is update cadence: PBExpo at every 2 days against Quantum Mobile's every 5 months. Quantum Mobile's advantage is device support (3 vs 1) and iOS requirement (11.0 vs 17.4). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Quantum Mobile ships an update every 5 months, PBExpo every 2 days. The most recent releases landed on October 21, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Quantum Mobile | PBExpo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 days** |
| Size | 51 MB | 141 MB |
| Requires iOS | **11.0** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CAMP Systems International Inc.](https://appshunter.io/developer/542306740) | [Partsbase](https://appshunter.io/developer/1438651176) |

## What reviewers say

### Quantum Mobile

[App page](https://appshunter.io/ios/app/quantum-mobile-warehouse/id6446109831)

**In-app purchases:** none


### PBExpo

[App page](https://appshunter.io/ios/app/pbexpo/id6796529595)

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

**In-app purchases:** none


## Frequently asked questions

### Is Quantum Mobile free?

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

### Is PBExpo free?

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

### Do Quantum Mobile or PBExpo have ads?

Neither Quantum Mobile nor PBExpo shows ads.

### Which is updated more often, Quantum Mobile or PBExpo?

Quantum Mobile ships an update every 5 months, and PBExpo every 2 days. Most recently, Quantum Mobile was updated on October 21, 2026 and PBExpo on October 5, 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.*