# ACA2000 vs HB OTP

ACA2000 and HB OTP are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

ACA2000 ships an update monthly, HB OTP every 5 weeks. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | ACA2000 | HB OTP |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 5 weeks |
| Monetization | Free | — |
| Size | 12 MB | 8 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [(주)세계로시스템](https://appshunter.io/developer/1123529009) | [(주)해법에듀](https://appshunter.io/developer/1091818260) |

## What reviewers say

### ACA2000

[App page](https://appshunter.io/ios/app/aca2000/id1449549158)

This mobile solution streamlines academy operations for administrators and teachers. It allows real-time tracking of daily sales, attendance, and student academic information, enabling efficient management of classes, student progress, and communication.

**Highlights:** Real-time academy status overview, Student, parent, and staff information management, Attendance tracking and SMS notifications, Assignment and make-up class management, Progress and counseling records, Schedule and announcement sharing, Daily work logging and approval

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

**In-app purchases:** none


### HB OTP

[App page](https://appshunter.io/ios/app/hb-otp/id6450350991)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ACA2000 free?

ACA2000 is free to download, with no in-app purchases.

### Is HB OTP free?

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

### Do ACA2000 or HB OTP have ads?

Neither ACA2000 nor HB OTP shows ads.

### Which is updated more often, ACA2000 or HB OTP?

ACA2000 ships an update monthly, and HB OTP every 5 weeks. Most recently, ACA2000 was updated on October 24, 2026 and HB OTP on October 25, 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.*