# Biblical Calendar Proof vs Calc+ Vault

The clearest difference is in-app purchases: Biblical Calendar Proof at none against Calc+ Vault's 4. Biblical Calendar Proof also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. Calc+ Vault sells 4 in-app purchases, starting at $4.99 per month. Biblical Calendar Proof asks for nothing beyond the download.

## The numbers

| Metric | Biblical Calendar Proof | Calc+ Vault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calc-plus-vault/id6772579014/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 11 days |
| Monetization | — | Freemium |
| Size | 32 MB | 34 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 17+ |
| Developer | [Lance Livingston](https://appshunter.io/developer/1752904963) | [Cloud Strategy,Inc.](https://appshunter.io/developer/6772579016) |

## What reviewers say

### Biblical Calendar Proof

[App page](https://appshunter.io/ios/app/biblical-calendar-proof/id6504573224)

**Features:** macOS Compatibility

**In-app purchases:** none


### Calc+ Vault

[App page](https://appshunter.io/ios/app/calc-plus-vault/id6772579014)

Securely store photos, messages, and files with AES-256 encryption, accessed via a functional calculator. Offers private messaging and calls for enhanced privacy.

**Highlights:** AES-256 encrypted vault, Calculator interface for access, Biometric unlock (Face ID/Touch ID), End-to-end encrypted messaging & calls (Pro), Private browser, Encrypted backup and iCloud sync

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calc+ Vault Pro | $4.99 | per month |
| Calc+ Vault Ultimate | $9.99 | per month |
| Calc+ Vault Pro | $49.99 | per year |
| Ultimate Yearly | $99.99 | per year |


## Frequently asked questions

### Is Biblical Calendar Proof free?

Biblical Calendar Proof is free to download, with no in-app purchases.

### Is Calc+ Vault free?

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

### Do Biblical Calendar Proof or Calc+ Vault have ads?

Neither Biblical Calendar Proof nor Calc+ Vault shows ads.

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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.*