# Viper maze vs QuantumOrb

The clearest difference is in-app purchases: QuantumOrb at none against Viper maze's 1. QuantumOrb also leads on price ($0.99 vs $1.99). On ads, device support and iOS requirement there is nothing between them.

Viper maze costs $1.99 and QuantumOrb $0.99 up front. Viper maze sells 1 one-off in-app purchase. QuantumOrb asks for nothing beyond the download.

## The numbers

| Metric | Viper maze | QuantumOrb |
| --- | --- | --- |
| Price | $1.99 | **$0.99** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | — |
| Size | 6 MB | 1 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Martin Gruner](https://appshunter.io/developer/1824447154) | [Viktor Shcherban](https://appshunter.io/developer/1617545413) |

## What reviewers say

### Viper maze

[App page](https://appshunter.io/ios/app/viper-maze/id6748138935)

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full game | $3.99 | one-time |


### QuantumOrb

[App page](https://appshunter.io/ios/app/quantumorb/id6789332620)

**Features:** Apple Watch app

**In-app purchases:** none


## Frequently asked questions

### Is Viper maze free?

Viper maze costs $1.99, and also offers in-app purchases.

### Is QuantumOrb free?

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

### Do Viper maze or QuantumOrb have ads?

Neither Viper maze nor QuantumOrb shows ads.

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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.*