# Mass vs The Stack Up App

The clearest difference is price: Mass at Free against The Stack Up App's $0.99. Mass also leads on iOS requirement (16.4 vs 18.5). On ads, in-app purchases and device support there is nothing between them.

Mass is free to download; The Stack Up App costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Mass | The Stack Up App |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.5 (51 ratings)](https://appshunter.io/ios/app/mass-perps-and-predictions/id6465992490/reviews)** | — |
| Number of ratings | **51** | — |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | — |
| Monetization | Free | — |
| Size | 152 MB | 4 MB |
| Requires iOS | **16.4** | 18.5 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [DeFi Lab SA](https://appshunter.io/developer/1702029149) | [TiaMundria Christmas](https://appshunter.io/developer/1840228868) |

## What reviewers say

### Mass

[App page](https://appshunter.io/ios/app/mass-perps-and-predictions/id6465992490)

This app provides a comprehensive mobile platform for interacting with decentralized finance (DeFi) services on the blockchain. It allows users to buy, sell, and swap various cryptocurrencies and tokenized assets, offering advanced trading features and earning opportunities. The platform emphasizes a non-custodial approach and simplifies transaction fee management.

**Highlights:** Buy/sell crypto with fiat, Simultaneous multi-asset swaps, Limit orders, Leverage trading, Tokenized stock/ETF trading, Crypto lending and borrowing, Earn interest on crypto

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

**In-app purchases:** none


### The Stack Up App

[App page](https://appshunter.io/ios/app/the-stack-up-app/id6754883931)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Mass free?

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

### Is The Stack Up App free?

The Stack Up App costs $0.99, with no in-app purchases.

### Do Mass or The Stack Up App have ads?

Neither Mass nor The Stack Up App 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.*