# CD Calculator vs DocWallet; Document Vault

The clearest difference is in-app purchases: DocWallet; Document Vault at none against CD Calculator's 1. DocWallet; Document Vault also leads on update cadence (fortnightly vs every 32 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. CD Calculator sells 1 one-off in-app purchase. DocWallet; Document Vault asks for nothing beyond the download.

CD Calculator ships an update every 32 months, DocWallet; Document Vault fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | CD Calculator | DocWallet; Document Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (262 ratings)](https://appshunter.io/ios/app/cd-calculator-calc/id1540530189/reviews)** | — |
| Number of ratings | **262** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 32 months | **Fortnightly** |
| Monetization | Free with in-app purchases | — |
| Size | 5 MB | 87 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Phan Nhat Đang](https://appshunter.io/developer/1437390098) | [Potentia Motus Ventures Limited](https://appshunter.io/developer/1880772719) |

## What reviewers say

### CD Calculator

[App page](https://appshunter.io/ios/app/cd-calculator-calc/id1540530189)

Easily calculate the specifics of your Certificate of Deposit investments. Input your initial amount, time period, and interest rate to receive precise results. View a detailed compounding schedule for your deposit's growth.

**Highlights:** Calculate Certificate of Deposit, Enter initial amount, Input time period, Specify interest rate, View compounding schedule

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all features | $2.99 | one-time |


### DocWallet; Document Vault

[App page](https://appshunter.io/ios/app/docwallet-document-vault/id6761860944)

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

**In-app purchases:** none


## Frequently asked questions

### Is CD Calculator free?

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

### Is DocWallet; Document Vault free?

DocWallet; Document Vault is free to download, with no in-app purchases.

### Do CD Calculator or DocWallet; Document Vault have ads?

Both CD Calculator and DocWallet; Document Vault show ads.

### Which is updated more often, CD Calculator or DocWallet; Document Vault?

CD Calculator ships an update every 32 months, and DocWallet; Document Vault fortnightly. Most recently, CD Calculator was updated on October 24, 2026 and DocWallet; Document Vault on October 24, 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.*