# HashKey Exchange vs Doo Payment

The clearest difference is update cadence: HashKey Exchange at weekly against Doo Payment's fortnightly. Doo Payment's advantage is iOS requirement (12.0 vs 14.0). On price, ads, in-app purchases and device support there is nothing between them.

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

HashKey Exchange ships an update weekly, Doo Payment fortnightly. The most recent releases landed on September 11, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | HashKey Exchange | Doo Payment |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (10 ratings)](https://appshunter.io/ios/app/hashkey-exchange/id6448627365/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Free | — |
| Size | 224 MB | 79 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 17+ |
| Developer | [HashKey Digital Asset Group](https://appshunter.io/developer/1893270345) | [DOO TECHNOLOGY SINGAPORE PTE. LTD.](https://appshunter.io/developer/1602492171) |

## What reviewers say

### HashKey Exchange

[App page](https://appshunter.io/ios/app/hashkey-exchange/id6448627365)

This platform allows users to trade various digital currencies using fiat deposits like USD and HKD. It offers a secure and licensed trading environment with fast deposit and withdrawal processes. Retail clients can trade Bitcoin and Ethereum, while professional investors have access to a wider range of cryptocurrencies.

**Highlights:** Licensed virtual asset exchange, Fiat (USD/HKD) deposits and withdrawals, Trade Bitcoin and Ethereum, Access to diverse digital currencies for professionals, Secure and compliant trading environment, Fast deposit and withdrawal processes, 24/7 customer support

**In-app purchases:** none


### Doo Payment

[App page](https://appshunter.io/ios/app/doo-payment/id6578449074)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is HashKey Exchange free?

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

### Is Doo Payment free?

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

### Do HashKey Exchange or Doo Payment have ads?

Neither HashKey Exchange nor Doo Payment shows ads.

### Which is updated more often, HashKey Exchange or Doo Payment?

HashKey Exchange ships an update weekly, and Doo Payment fortnightly. Most recently, HashKey Exchange was updated on September 11, 2026 and Doo Payment on May 17, 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.*