# Rebill vs ZapExpense

The clearest difference is in-app purchases: Rebill at none against ZapExpense's 2. ZapExpense's advantage is update cadence (every 9 days vs every 6 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. ZapExpense sells 2 in-app purchases, starting at $2.99 per month. Rebill asks for nothing beyond the download.

Rebill ships an update every 6 weeks, ZapExpense every 9 days. The most recent releases landed on September 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Rebill | ZapExpense |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Every 9 days** |
| Size | 3 MB | 2 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Niklas Bauer](https://appshunter.io/developer/1874306290) | [Ly Hong Phat](https://appshunter.io/developer/1749760941) |

## What reviewers say

### Rebill

[App page](https://appshunter.io/ios/app/rebill-subscription-tracker/id6758669979)

**Features:** macOS Compatibility

**In-app purchases:** none


### ZapExpense

[App page](https://appshunter.io/ios/app/zapexpense/id6760149256)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ZapExpense Pro Monthly | $2.99 | per month |
| ZapExpense Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Rebill free?

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

### Is ZapExpense free?

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

### Do Rebill or ZapExpense have ads?

Neither Rebill nor ZapExpense shows ads.

### Which is updated more often, Rebill or ZapExpense?

Rebill ships an update every 6 weeks, and ZapExpense every 9 days. Most recently, Rebill was updated on September 12, 2026 and ZapExpense on October 10, 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.*