# Ahead vs Chembook

The clearest difference is update cadence: Ahead at every 6 days against Chembook's monthly. Ahead also leads on iOS requirement (15.1 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Ahead sells 3 in-app purchases, starting at $9.99 per month and Chembook sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Ahead ships an update every 6 days, Chembook monthly. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Ahead | Chembook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (26 ratings)](https://appshunter.io/ios/app/ahead-ai-student-planner/id6756762430/reviews)** | — |
| Number of ratings | **26** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 6 days** | Monthly |
| Monetization | Freemium | — |
| Size | 61 MB | 99 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Quilt Labs LLC](https://appshunter.io/developer/1862671458) | [Hyuk-Yong Kwon](https://appshunter.io/developer/6796681340) |

## What reviewers say

### Ahead

[App page](https://appshunter.io/ios/app/ahead-ai-student-planner/id6756762430)

This app uses AI to scan your course syllabus and automatically create a personalized academic schedule. It helps you organize assignments, exams, and readings, and even generates daily study plans to keep you on track for success.

**Highlights:** AI Syllabus Scanner, Auto-generated study plans, Gamified homework completion, Unified schedule view, Task tracking

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |
| Discounted Yearly | $19.99 | per year |
| Yearly | $29.99 | per year |


### Chembook

[App page](https://appshunter.io/ios/app/chembook-reaction-visualizer/id6796681338)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $6.99 | one-time |


## Frequently asked questions

### Is Ahead free?

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

### Is Chembook free?

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

### Do Ahead or Chembook have ads?

Neither Ahead nor Chembook shows ads.

### Which is updated more often, Ahead or Chembook?

Ahead ships an update every 6 days, and Chembook monthly. Most recently, Ahead was updated on October 30, 2026 and Chembook on November 10, 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.*