# IOU vs 1split

IOU and 1split both sit at 4.4 stars, but that hides the real split: 100% of 1split's written reviews are positive against 60% of IOU's. 1split also leads on iOS requirement (16.0 vs 26.0). IOU's advantage is device support (3 vs 1). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. IOU sells 5 in-app purchases, starting at $0.99 per month and 1split sells 1 in-app purchase, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

1split holds the better App Store score, 4.6 against 4.4. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 60% of IOU's written reviews are positive against 100% of 1split's.

IOU ships an update fortnightly, 1split every 2 weeks. The most recent releases landed on September 21, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | IOU | 1split |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (17 ratings)](https://appshunter.io/ios/app/iou-split-receipts-and-expense/id1589968294/reviews) | **[4.6 (10 ratings)](https://appshunter.io/ios/app/1split/id1663704696/reviews)** |
| Number of ratings | **17** | 10 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | Freemium | Freemium |
| Size | 53 MB | 24 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad, Vision Pro** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Eric Agredo](https://appshunter.io/developer/1475112741) | [Manu Labs, LLC](https://appshunter.io/developer/1513494798) |

## What reviewers say

### IOU

[App page](https://appshunter.io/ios/app/iou-split-receipts-and-expense/id1589968294)

Effortlessly split bills with friends by scanning receipts. The app itemizes purchases, assigns them to individuals, and calculates each person's total including tip and tax. Avoid manual calculations and ensure fair payment among your group.

**Highlights:** Receipt scanning and itemization, Assign items to individuals, Automatic tax and tip calculation, Per-person total calculation, Eliminates manual bill splitting

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| IOU Pro | $0.99 | per month |
| IOU Pro | $2.99 | per month |
| IOU Pro | $6.99 | per year |
| IOU Pro | $24.99 | per year |
| Lifetime IOU Pro | $29.99 | one-time |


### 1split

[App page](https://appshunter.io/ios/app/1split/id1663704696)

Effortlessly split restaurant bills with friends. This app uses AI to scan receipts, accurately assign taxes and tips based on ordered items, and allows real-time group editing. Supports international currencies and integrates with payment platforms.

**Highlights:** AI receipt scanning, Weighted tax and tip calculation, Live group bill editing, Import receipts from camera roll, International currency support, Payment integration

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1split Pro | $4.99 | per year |


## Frequently asked questions

### Is IOU free?

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

### Is 1split free?

1split is free to download, with in-app purchases available.

### Which has better reviews, IOU or 1split?

1split is rated higher. IOU averages 4.4 out of 5 from 17 ratings, while 1split averages 4.6 from 10 ratings.

### Do IOU or 1split have ads?

Neither IOU nor 1split shows ads.

### Which is updated more often, IOU or 1split?

IOU ships an update fortnightly, and 1split every 2 weeks. Most recently, IOU was updated on September 21, 2026 and 1split on June 1, 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.*