# Stack: Buy & Sell Bitcoin — user reviews

> 2 indexed App Store user reviews of Stack by KALBAS INC, rated 3.67/5 from 6 ratings.

- Source: https://appshunter.io/ios/app/stack-buy-and-sell-bitcoin/id6472778568/reviews
- App overview in markdown: https://appshunter.io/ios/app/stack-buy-and-sell-bitcoin/id6472778568.md
- Rating breakdown: 5★ 3 · 4★ 1 · 3★ 0 · 2★ 1 · 1★ 1

## Most critical reviews (2 lowest-rated)

### 5/5 — New possibilities

*2026-03-19*

I just started using this app, and it’s changed the way I use crypto. I can buy and sell with zero fees as well as pretty much receiving free money by referring others to the app. Great system.

### 5/5 — New update is 🔥

*2025-09-11*

Loved this app before, but it’s even better now! They still allow you to buy Bitcoin with the privacy of cash and offer 0 fee cash outs but now it’s so much quicker since they introduce lightning network transactions. Also got like $50 worth of free Bitcoin from using referrals highly recommend!

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-20.*