# CostSplit App vs Roommate Bill Splitter

The clearest difference is in-app purchases: CostSplit App at none against Roommate Bill Splitter's 3. CostSplit App also leads on update cadence (every 3 weeks vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Roommate Bill Splitter sells 3 in-app purchases, starting at $4.99 per month. CostSplit App asks for nothing beyond the download.

CostSplit App ships an update every 3 weeks, Roommate Bill Splitter every 3 months. The most recent releases landed on October 4, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | CostSplit App | Roommate Bill Splitter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Size | 13 MB | 10 MB |
| Requires iOS | **17.6** | 18 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Joan Ilari Civit](https://appshunter.io/developer/1859372280) | [Karol Jaworski](https://appshunter.io/developer/1799974477) |

## What reviewers say

### CostSplit App

[App page](https://appshunter.io/ios/app/costsplit-app/id6759253098)

**Features:** macOS Compatibility

**In-app purchases:** none


### Roommate Bill Splitter

[App page](https://appshunter.io/ios/app/roommate-bill-splitter-split/id6760669710)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Split Pro | $4.99 | per month |
| Split Pro | $39.99 | per year |
| Split Pro | $39.99 | per year |


## Frequently asked questions

### Is CostSplit App free?

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

### Is Roommate Bill Splitter free?

Roommate Bill Splitter is free to download, with in-app purchases available.

### Do CostSplit App or Roommate Bill Splitter have ads?

Neither CostSplit App nor Roommate Bill Splitter shows ads.

### Which is updated more often, CostSplit App or Roommate Bill Splitter?

CostSplit App ships an update every 3 weeks, and Roommate Bill Splitter every 3 months. Most recently, CostSplit App was updated on October 4, 2026 and Roommate Bill Splitter on October 7, 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.*