# DarkBook vs Currency Ai

The clearest difference is in-app purchases: Currency Ai at none against DarkBook's 2. Currency Ai also leads on update cadence (every 3 days vs weekly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. DarkBook sells 2 in-app purchases, starting at $1.49 per year. Currency Ai asks for nothing beyond the download.

DarkBook ships an update weekly, Currency Ai every 3 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | DarkBook | Currency Ai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/darkbooklite-spending-tracker/id1521821145/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | — |
| Size | 26 MB | 28 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Chongqing Zhouhu Technology Co.,Ltd](https://appshunter.io/developer/1469907105) | [Armand Gadecki](https://appshunter.io/developer/1829530831) |

## What reviewers say

### DarkBook

[App page](https://appshunter.io/ios/app/darkbooklite-spending-tracker/id1521821145)

A minimalist budget tracker with a focus on a dark, eye-friendly interface. It offers fast, simplified bookkeeping with multi-ledger, multi-account, and multi-member support. Analyze your spending and asset trends with clear visualizations.

**Highlights:** Optimized dark theme, Local data storage, Fast bookkeeping with gestures, Multi-ledger support, Multi-account management, Revenue and expenditure analysis, Asset trend tracking

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pay per year | $1.49 | per year |
| Life member | $3.99 | one-time |


### Currency Ai

[App page](https://appshunter.io/ios/app/currency-ai/id6777413872)

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

**In-app purchases:** none


## Frequently asked questions

### Is DarkBook free?

DarkBook is free to download, with in-app purchases available.

### Is Currency Ai free?

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

### Do DarkBook or Currency Ai have ads?

Neither DarkBook nor Currency Ai shows ads.

### Which is updated more often, DarkBook or Currency Ai?

DarkBook ships an update weekly, and Currency Ai every 3 days. Most recently, DarkBook was updated on October 24, 2026 and Currency Ai on October 14, 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.*