# Add A Bill vs Carbon Notes

The clearest difference is in-app purchases: Add A Bill at none against Carbon Notes's 2. Add A Bill also leads on iOS requirement (13.0 vs 17.6). Carbon Notes's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Carbon Notes sells 2 in-app purchases, starting at $19.99 per month. Add A Bill asks for nothing beyond the download.

Add A Bill ships an update every 4 months, Carbon Notes every 3 weeks. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Add A Bill | Carbon Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (32 ratings)](https://appshunter.io/ios/app/add-a-bill/id1519099689/reviews)** | — |
| Number of ratings | **32** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 16 MB | 12 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Satya Venkata Krishna Achanta](https://appshunter.io/developer/1519099691) | [YMMV](https://appshunter.io/developer/1224453829) |

## What reviewers say

### Add A Bill

[App page](https://appshunter.io/ios/app/add-a-bill/id1519099689)

Easily track all your expenses, transactions, debts, notes, and checklists. Share lists and split costs with friends and family. Export your data for safekeeping or sharing.

**Highlights:** Track expenses and money transfers, Manage notes and checklists, Create groups for sharing, Split expenses among friends, Export data to email, Customize privacy settings

**Features:** macOS Compatibility

**In-app purchases:** none


### Carbon Notes

[App page](https://appshunter.io/ios/app/carbon-notes/id6748026908)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |
| AI Unlock | $4.99 | one-time |


## Frequently asked questions

### Is Add A Bill free?

Add A Bill is free to download, with no in-app purchases.

### Is Carbon Notes free?

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

### Do Add A Bill or Carbon Notes have ads?

Neither Add A Bill nor Carbon Notes shows ads.

### Which is updated more often, Add A Bill or Carbon Notes?

Add A Bill ships an update every 4 months, and Carbon Notes every 3 weeks. Most recently, Add A Bill was updated on October 3, 2026 and Carbon Notes on October 14, 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.*