# ACA2000 vs Questi

The clearest difference is review sentiment: Questi at 84% against ACA2000's 27%. Questi also leads on update cadence (weekly vs monthly). 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.

ACA2000 ships an update monthly, Questi weekly. The most recent releases landed on October 10, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ACA2000 | Questi |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 26.7% of reviews | **83.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free | Free |
| Size | 12 MB | 14 MB |
| Requires iOS | 15.6 | **15.1** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [(주)세계로시스템](https://appshunter.io/developer/1123529009) | [Bnz Inc](https://appshunter.io/developer/1602520806) |

## 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


### Questi

[App page](https://appshunter.io/ios/app/questi-ai-problem-solver/id6736639784)

This AI-powered app provides clear explanations for complex problems across all academic levels, from elementary to university. It helps users understand the essence of problems, maximize learning efficiency, and offers accessibility on multiple devices.

**Highlights:** AI-powered explanations, Covers all academic levels, In-depth understanding, Maximize learning efficiency, Accessible on PC, tablet, smartphone

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

**In-app purchases:** none


## Frequently asked questions

### Is ACA2000 free?

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

### Is Questi free?

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

### Do ACA2000 or Questi have ads?

Neither ACA2000 nor Questi shows ads.

### Which is updated more often, ACA2000 or Questi?

ACA2000 ships an update monthly, and Questi weekly. Most recently, ACA2000 was updated on October 10, 2026 and Questi on October 15, 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.*