# iota Attendance vs ABI MasterMind

The clearest difference is ads: ABI MasterMind at none against iota Attendance's shown. iota Attendance's advantage is update cadence (every 10 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

iota Attendance ships an update every 10 days, ABI MasterMind every 2 months. The most recent releases landed on October 2, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iota Attendance | ABI MasterMind |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (192 ratings)](https://appshunter.io/ios/app/abi-mastermind/id6760811773/reviews)** |
| Number of ratings | — | **192** |
| Positive reviews | — | 75.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 10 days** | Every 2 months |
| Monetization | — | Free |
| Size | 50 MB | 61 MB |
| Requires iOS | 15 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gaston Baladi](https://appshunter.io/developer/1552540887) | [Advanced Business Integrators, Inc.](https://appshunter.io/developer/1187996996) |

## What reviewers say

### iota Attendance

[App page](https://appshunter.io/ios/app/iota-attendance/id1668025883)

**In-app purchases:** none


### ABI MasterMind

[App page](https://appshunter.io/ios/app/abi-mastermind/id6760811773)

This employee self-service app helps event staff manage their schedules, track hours, and view important event details. It allows for setting availability, exchanging shifts, and monitoring certifications and accountability.

**Highlights:** Automated check-in/out, Detailed schedule view by event, Event-specific availability setting, Shift exchange functionality, Certification and training tracking, Points and recognition tracking, Time report and pay history

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

**In-app purchases:** none


## Frequently asked questions

### Is iota Attendance free?

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

### Is ABI MasterMind free?

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

### Do iota Attendance or ABI MasterMind have ads?

iota Attendance shows ads; ABI MasterMind does not.

### Which is updated more often, iota Attendance or ABI MasterMind?

iota Attendance ships an update every 10 days, and ABI MasterMind every 2 months. Most recently, iota Attendance was updated on October 2, 2026 and ABI MasterMind on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*