# BillBuds vs CentRail

The clearest difference is in-app purchases: CentRail at none against BillBuds's 2. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. BillBuds sells 2 in-app purchases, starting at $3.99 per month. CentRail asks for nothing beyond the download.

BillBuds ships an update every 4 days, CentRail weekly. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | BillBuds | CentRail |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Size | 5 MB | 69 MB |
| Requires iOS | 16 | **15.1** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Adilkhan Spabek](https://appshunter.io/developer/1881296739) | [Habibullah Yousofi](https://appshunter.io/developer/1879058266) |

## What reviewers say

### BillBuds

[App page](https://appshunter.io/ios/app/billbuds/id6759858629)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Scans (Monthly) | $3.99 | per month |
| Unlimited Scans (Yearly) | $29.99 | per year |


### CentRail

[App page](https://appshunter.io/ios/app/centrail-expense-tracker/id6760421151)

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

**In-app purchases:** none


## Frequently asked questions

### Is BillBuds free?

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

### Is CentRail free?

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

### Do BillBuds or CentRail have ads?

Neither BillBuds nor CentRail shows ads.

### Which is updated more often, BillBuds or CentRail?

BillBuds ships an update every 4 days, and CentRail weekly. Most recently, BillBuds was updated on October 24, 2026 and CentRail on October 21, 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.*