# DEBi vs Invoice Maker App

The clearest difference is in-app purchases: DEBi at none against Invoice Maker App's 3. DEBi also leads on iOS requirement (13.0 vs 17.6). Invoice Maker App's advantage is update cadence (fortnightly vs every 4 months). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker App sells 3 in-app purchases, starting at $3.99 per 7 days. DEBi asks for nothing beyond the download.

DEBi ships an update every 4 months, Invoice Maker App fortnightly. The most recent releases landed on October 3, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | DEBi | Invoice Maker App |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Size | 19 MB | 14 MB |
| Requires iOS | **13.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Data Enabled Business Integration Ltd](https://appshunter.io/developer/1469172421) | [Pattern Consulting OOD](https://appshunter.io/developer/1818399108) |

## What reviewers say

### DEBi

[App page](https://appshunter.io/ios/app/debi/id1469172422)

**Features:** macOS Compatibility

**In-app purchases:** none


### Invoice Maker App

[App page](https://appshunter.io/ios/app/invoice-maker-app-simplebooks/id6746766871)

**Features:** Family Sharing, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Plan | $3.99 | per 7 days |
| Annual Plan | $29.99 | per year |
| Lifetime Plan | $34.99 | one-time |


## Frequently asked questions

### Is DEBi free?

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

### Is Invoice Maker App free?

Invoice Maker App is free to download, with in-app purchases available.

### Do DEBi or Invoice Maker App have ads?

Neither DEBi nor Invoice Maker App shows ads.

### Which is updated more often, DEBi or Invoice Maker App?

DEBi ships an update every 4 months, and Invoice Maker App fortnightly. Most recently, DEBi was updated on October 3, 2026 and Invoice Maker App on October 8, 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.*