# Stack vs USV dApp

The clearest difference is rating: USV dApp at 5.0 against Stack's 3.7. USV dApp also leads on update cadence (every 10 days vs every 4 weeks). Stack's advantage is ratings volume (6 vs 2) and iOS requirement (16 vs 18.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

USV dApp holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 6 and 2 respectively.

Stack ships an update every 4 weeks, USV dApp every 10 days. The most recent releases landed on September 14, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Stack | USV dApp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (6 ratings)](https://appshunter.io/ios/app/stack-buy-and-sell-bitcoin/id6472778568/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/usv-dapp/id6746692739/reviews)** |
| Number of ratings | **6** | 2 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 10 days** |
| Monetization | Free | Free |
| Size | 177 MB | 32 MB |
| Requires iOS | **16** | 18.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [KALBAS INC](https://appshunter.io/developer/1587374231) | [Ultra Smooth Studio LLC](https://appshunter.io/developer/1816754891) |

## What reviewers say

### Stack

[App page](https://appshunter.io/ios/app/stack-buy-and-sell-bitcoin/id6472778568)

Easily buy and sell cryptocurrencies like Bitcoin and Ethereum using cash at thousands of retail locations or ATMs across the US. This non-custodial exchange ensures you always control your funds, offering a convenient way to manage your digital assets.

**Highlights:** Buy crypto with cash at retail locations, Sell crypto for cash at ATMs, Non-custodial exchange, Supports Bitcoin, Ethereum, Litecoin, Dogecoin, Tether, Solana, Find supported locations easily, Instant crypto deposits and withdrawals

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

**In-app purchases:** none


### USV dApp

[App page](https://appshunter.io/ios/app/usv-dapp/id6746692739)

Turn purchases into verified digital assets. Authenticate products, collect NFTs, and manage utility tokens securely. Scan QR codes to prove authenticity and receive digital collectibles instantly.

**Highlights:** Instant product authenticity checks via QR scan, Mint unique digital collectibles (NFTs) for verified products, Securely buy, store, send, and stake USV tokens, Universal QR reader with high-speed performance, Portfolio dashboard with real-time balance tracking, End-to-end encryption and privacy-focused design

**In-app purchases:** none


## Frequently asked questions

### Is Stack free?

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

### Is USV dApp free?

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

### Which has better reviews, Stack or USV dApp?

USV dApp is rated higher. Stack averages 3.7 out of 5 from 6 ratings, while USV dApp averages 5.0 from 2 ratings.

### Do Stack or USV dApp have ads?

Neither Stack nor USV dApp shows ads.

### Which is updated more often, Stack or USV dApp?

Stack ships an update every 4 weeks, and USV dApp every 10 days. Most recently, Stack was updated on September 14, 2026 and USV dApp on September 18, 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.*