# Underboss vs Attendance Checkr

The clearest difference is in-app purchases: Underboss at none against Attendance Checkr's 1. Attendance Checkr's advantage is update cadence (every 3 days vs weekly) and iOS requirement (15.1 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Attendance Checkr sells 1 in-app purchase, starting at $29.99 per month. Underboss asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Underboss against 5.0 for Attendance Checkr. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Underboss ships an update weekly, Attendance Checkr every 3 days. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Underboss | Attendance Checkr |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/underboss/id6479378020/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/attendance-checkr/id6755569551/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | **Free** | Freemium |
| Size | 35 MB | 38 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Modfin](https://appshunter.io/developer/1735821203) | [Inak IT Solutions LLC](https://appshunter.io/developer/1854609400) |

## What reviewers say

### Underboss

[App page](https://appshunter.io/ios/app/underboss/id6479378020)

Automate scheduling, invoicing, and payment reminders for your service-based business. This AI-powered tool streamlines client tracking and payment matching, freeing you to focus on your craft.

**Highlights:** Automated invoicing and reminders, Client tracking and service logs, Smart payment matching, AI-powered automation, Streamlined business operations

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

**In-app purchases:** none


### Attendance Checkr

[App page](https://appshunter.io/ios/app/attendance-checkr/id6755569551)

Streamline attendance tracking and member management for organizations. Gain real-time analytics on participation trends and optimize engagement with an intuitive, secure, and customizable platform.

**Highlights:** Attendance tracking, Real-time analytics, User management, Multi-tenant support, Secure authentication, Offline access, Customizable settings

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscription Plan (Monthly) | $29.99 | per month |


## Frequently asked questions

### Is Underboss free?

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

### Is Attendance Checkr free?

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

### Which has better reviews, Underboss or Attendance Checkr?

Underboss and Attendance Checkr are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Underboss or Attendance Checkr have ads?

Neither Underboss nor Attendance Checkr shows ads.

### Which is updated more often, Underboss or Attendance Checkr?

Underboss ships an update weekly, and Attendance Checkr every 3 days. Most recently, Underboss was updated on November 4, 2026 and Attendance Checkr on October 30, 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.*