# booked4.us admin vs Invee

The clearest difference is review sentiment: Invee at 33% against booked4.us admin's 0%. Invee also leads on update cadence (every 3 days vs every 2 months). booked4.us admin's advantage is iOS requirement (12.0 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

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

booked4.us admin ships an update every 2 months, Invee every 3 days. The most recent releases landed on June 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | booked4.us admin | Invee |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **33.3% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | Free | Free |
| Size | 36 MB | 57 MB |
| Requires iOS | **12.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Danubius IT Solutions Zartkoruen Mukodo Reszvenytarsasag](https://appshunter.io/developer/918174172) | [Salonic International Kft.](https://appshunter.io/developer/1590990507) |

## What reviewers say

### booked4.us admin

[App page](https://appshunter.io/ios/app/booked4us-admin/id918174173)

Manage appointments and bookings on the go with this administrative tool. Review, create, modify, and cancel reservations instantly. Receive immediate notifications for new bookings and streamline your scheduling process.

**Highlights:** Review bookings, Place new reservations, Modify and cancel bookings, Immediate booking notifications, Accept online bookings 24/7, Send automated reminders

**Features:** macOS Compatibility

**In-app purchases:** none


### Invee

[App page](https://appshunter.io/ios/app/invee/id1590990505)

Easily generate electronic receipts accepted by tax authorities directly from your smartphone. Send receipts via email, and store them securely in the cloud. All receipts are digitally signed and compiled monthly for your records.

**Highlights:** Generate electronic receipts, Email receipts to customers, Digitally signed PDF receipts, Secure cloud storage, Monthly consolidated Excel reports, 10-year receipt validity

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

**In-app purchases:** none


## Frequently asked questions

### Is booked4.us admin free?

booked4.us admin is free to download, with no in-app purchases.

### Is Invee free?

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

### Do booked4.us admin or Invee have ads?

Neither booked4.us admin nor Invee shows ads.

### Which is updated more often, booked4.us admin or Invee?

booked4.us admin ships an update every 2 months, and Invee every 3 days. Most recently, booked4.us admin was updated on June 4, 2026 and Invee on September 12, 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.*