# Invoice4u vs CostApp

The clearest difference is update cadence: Invoice4u at fortnightly against CostApp's every 6 weeks. Invoice4u also leads on iOS requirement (13.4 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Invoice4u ships an update fortnightly, CostApp every 6 weeks. The most recent releases landed on September 17, 2026 and May 14, 2026 respectively.

## The numbers

| Metric | Invoice4u | CostApp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 weeks |
| Size | 16 MB | 44 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Direct Accounting Management Ltd](https://appshunter.io/developer/1578847137) | [Avraham Meir](https://appshunter.io/developer/1545340641) |

## What reviewers say

### Invoice4u

[App page](https://appshunter.io/ios/app/invoice4u/id1329666907)

**Features:** macOS Compatibility

**In-app purchases:** none


### CostApp

[App page](https://appshunter.io/ios/app/costapp/id1545340639)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Invoice4u free?

Invoice4u is free to download, with no in-app purchases.

### Is CostApp free?

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

### Do Invoice4u or CostApp have ads?

Neither Invoice4u nor CostApp shows ads.

### Which is updated more often, Invoice4u or CostApp?

Invoice4u ships an update fortnightly, and CostApp every 6 weeks. Most recently, Invoice4u was updated on September 17, 2026 and CostApp on May 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.*