# ERdepot vs Bookify

The clearest difference is update cadence: ERdepot at every 3 weeks against Bookify's every 2 months. ERdepot also leads on iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. ERdepot sells 1 one-off in-app purchase and Bookify sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

ERdepot ships an update every 3 weeks, Bookify every 2 months. The most recent releases landed on October 18, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | ERdepot | Bookify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/erdepot/id6737148150/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | — |
| Size | 10 MB | 79 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [君宇 方](https://appshunter.io/developer/1746520472) | [伟强 周](https://appshunter.io/developer/791062588) |

## What reviewers say

### ERdepot

[App page](https://appshunter.io/ios/app/erdepot/id6737148150)

Track foreign currency values and monitor exchange rate fluctuations with real-time data. This app automatically converts total asset values and displays historical trend charts for informed investment decisions.

**Highlights:** Foreign currency asset management, Automatic total value conversion, Real-time exchange rate display, Multi-currency switching, Historical exchange rate trend charts (7 days to 10 years), Investment return calculation

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sponsor the ERdepot app | $1.00 | one-time |


### Bookify

[App page](https://appshunter.io/ios/app/bookify/id6761409152)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $1.99 | per month |
| 年度会员 | $14.99 | per year |


## Frequently asked questions

### Is ERdepot free?

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

### Is Bookify free?

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

### Do ERdepot or Bookify have ads?

Neither ERdepot nor Bookify shows ads.

### Which is updated more often, ERdepot or Bookify?

ERdepot ships an update every 3 weeks, and Bookify every 2 months. Most recently, ERdepot was updated on October 18, 2026 and Bookify on October 9, 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.*