# Compound Calculator vs Cista Vault

The clearest difference is price: Cista Vault at Free against Compound Calculator's $0.99. Cista Vault also leads on iOS requirement (15.0 vs 17.6). Compound Calculator's advantage is update cadence (every 5 days vs every 2 months). On ads, in-app purchases and device support there is nothing between them.

Cista Vault is free to download; Compound Calculator costs $0.99 up front. Compound Calculator sells 3 in-app purchases, starting at $2.99 per month and Cista Vault sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Compound Calculator ships an update every 5 days, Cista Vault every 2 months. The most recent releases landed on October 28, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Compound Calculator | Cista Vault |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 months |
| Size | 5 MB | 104 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [乐祥 胡](https://appshunter.io/developer/1572365721) | [Edyville LLC](https://appshunter.io/developer/767409313) |

## What reviewers say

### Compound Calculator

[App page](https://appshunter.io/ios/app/compound-calculator-lite/id6749442265)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Compound Calculator - Pro 30days | $2.99 | per month |
| Compound Calculator - Pro 360days | $14.99 | per year |
| Compound Calculator Pro - lifetime | $19.99 | one-time |


### Cista Vault

[App page](https://appshunter.io/ios/app/cista-vault/id6761990658)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cista Vault Monthly Premium | $6.99 | per month |
| Cista Vault Yearly Premium | $59.99 | per year |


## Frequently asked questions

### Is Compound Calculator free?

Compound Calculator costs $0.99, and also offers in-app purchases.

### Is Cista Vault free?

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

### Do Compound Calculator or Cista Vault have ads?

Neither Compound Calculator nor Cista Vault shows ads.

### Which is updated more often, Compound Calculator or Cista Vault?

Compound Calculator ships an update every 5 days, and Cista Vault every 2 months. Most recently, Compound Calculator was updated on October 28, 2026 and Cista Vault on October 18, 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.*