# CORE app vs TimeInvoicer Practice Billing

The clearest difference is in-app purchases: CORE app at none against TimeInvoicer Practice Billing's 5. TimeInvoicer Practice Billing's advantage is update cadence (every 3 days vs every 10 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TimeInvoicer Practice Billing sells 5 in-app purchases, starting at $8.90 per month. CORE app asks for nothing beyond the download.

CORE app ships an update every 10 days, TimeInvoicer Practice Billing every 3 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CORE app | TimeInvoicer Practice Billing |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 77 MB | 109 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [CORE smartwork GmbH](https://appshunter.io/developer/921565741) | [Roland Konig](https://appshunter.io/developer/1888520304) |

## What reviewers say

### CORE app

[App page](https://appshunter.io/ios/app/core-app/id6467230803)

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

**In-app purchases:** none


### TimeInvoicer Practice Billing

[App page](https://appshunter.io/ios/app/timeinvoicer-practice-billing/id6761268235)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monatlich | $8.90 | per month |
| Premium Monatlich | $17.90 | per month |
| Plus Jährlich | $89.00 | per year |
| Gründerpreis Jährlich | $89.00 | per year |
| Premium Jährlich | $179.00 | per year |


## Frequently asked questions

### Is CORE app free?

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

### Is TimeInvoicer Practice Billing free?

TimeInvoicer Practice Billing is free to download, with in-app purchases available.

### Do CORE app or TimeInvoicer Practice Billing have ads?

Neither CORE app nor TimeInvoicer Practice Billing shows ads.

### Which is updated more often, CORE app or TimeInvoicer Practice Billing?

CORE app ships an update every 10 days, and TimeInvoicer Practice Billing every 3 days. Most recently, CORE app was updated on November 7, 2026 and TimeInvoicer Practice Billing on October 31, 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.*