# ASTC vs AGEquationSolver

The clearest difference is update cadence: AGEquationSolver at every 3 days against ASTC's every 12 months. AGEquationSolver also leads on iOS requirement (13.0 vs 15.5). On price, ads, in-app purchases and device support there is nothing between them.

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

ASTC ships an update every 12 months, AGEquationSolver every 3 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | ASTC | AGEquationSolver |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (30 ratings)](https://appshunter.io/ios/app/astc/id6466039138/reviews)** | — |
| Number of ratings | **30** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 87 MB | 172 MB |
| Requires iOS | 15.5 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ASSOCIATION OF SCIENCE-TECHNOLOGY CENTERS, INC.](https://appshunter.io/developer/1437372010) | [Zheng Tan](https://appshunter.io/developer/1874150698) |

## What reviewers say

### ASTC

[App page](https://appshunter.io/ios/app/astc/id6466039138)

Enhance your conference experience by accessing schedules, speaker details, and exhibitor information. Take notes directly on presentation slides in real-time and share insights with attendees via in-app messaging, tweeting, or email.

**Highlights:** View conference schedule, Access speaker and exhibitor details, Take real-time notes on slides, Draw directly on presentation slides, In-app messaging with attendees, Share information via tweet/email

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

**In-app purchases:** none


### AGEquationSolver

[App page](https://appshunter.io/ios/app/agequationsolver/id6758643182)

**In-app purchases:** none


## Frequently asked questions

### Is ASTC free?

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

### Is AGEquationSolver free?

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

### Do ASTC or AGEquationSolver have ads?

Neither ASTC nor AGEquationSolver shows ads.

### Which is updated more often, ASTC or AGEquationSolver?

ASTC ships an update every 12 months, and AGEquationSolver every 3 days. Most recently, ASTC was updated on September 30, 2026 and AGEquationSolver on October 2, 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.*