# Prism vs BillVault

The clearest difference is in-app purchases: Prism at none against BillVault's 3. Prism also leads on iOS requirement (17.0 vs 26.0). BillVault's advantage is ads (none vs shown) and update cadence (every 5 days vs monthly). On price and device support there is nothing between them.

Both are free to download. BillVault sells 3 in-app purchases, starting at $3.99 per month. Prism asks for nothing beyond the download.

Prism ships an update monthly, BillVault every 5 days. The most recent releases landed on October 28, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Prism | BillVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (4 ratings)](https://appshunter.io/ios/app/billvault-bill-tracker/id6808041226/reviews)** |
| Number of ratings | — | **4** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 5 days** |
| Monetization | — | Freemium |
| Size | 29 MB | 6 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Matheus Alvares](https://appshunter.io/developer/1861958256) | [David Long](https://appshunter.io/developer/6794790595) |

## What reviewers say

### Prism

[App page](https://appshunter.io/ios/app/prism-subscription-manager/id6756632643)

**In-app purchases:** none


### BillVault

[App page](https://appshunter.io/ios/app/billvault-bill-tracker/id6808041226)

Manage all your bills and subscriptions in one place with timely reminders and spending insights. Easily add bills by scanning or importing, and get personalized advice on safe spending until your next payday. Features include cancellation assistance and duplicate service detection.

**Highlights:** Bill and subscription tracking, Automated bill reminders, Spending analysis by category, Bill scanning and import, Subscription cancellation assistance, Free trial and price rise alerts, Privacy-focused design

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BillVault Pro Monthly | $3.99 | per month |
| BillVault Pro Yearly | $29.99 | per year |
| BillVault Pro Lifetime | $79.99 | one-time |


## Frequently asked questions

### Is Prism free?

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

### Is BillVault free?

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

### Do Prism or BillVault have ads?

Prism shows ads; BillVault does not.

### Which is updated more often, Prism or BillVault?

Prism ships an update monthly, and BillVault every 5 days. Most recently, Prism was updated on October 28, 2026 and BillVault on October 26, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*