# Grimm App vs Duality Wallet

The clearest difference is update cadence: Duality Wallet at every 5 days against Grimm App's every 2 months. 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.

Grimm App ships an update every 2 months, Duality Wallet every 5 days. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Grimm App | Duality Wallet |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Size | 56 MB | 51 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Grimm Technologies SARL](https://appshunter.io/developer/1847943142) | [Duality Wallet Pty Ltd](https://appshunter.io/developer/6790772485) |

## What reviewers say

### Grimm App

[App page](https://appshunter.io/ios/app/grimm-app-bitcoin-wallet/id6754340143)

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

**In-app purchases:** none


### Duality Wallet

[App page](https://appshunter.io/ios/app/duality-wallet/id6790772483)

**In-app purchases:** none


## Frequently asked questions

### Is Grimm App free?

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

### Is Duality Wallet free?

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

### Do Grimm App or Duality Wallet have ads?

Neither Grimm App nor Duality Wallet shows ads.

### Which is updated more often, Grimm App or Duality Wallet?

Grimm App ships an update every 2 months, and Duality Wallet every 5 days. Most recently, Grimm App was updated on October 24, 2026 and Duality Wallet on October 31, 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.*