# Syllabus AI vs Countdown

The clearest difference is device support: Countdown at 4 against Syllabus AI's 2. Syllabus AI's advantage is iOS requirement (17.6 vs 26.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Syllabus AI sells 2 in-app purchases, starting at $12.99 per year and Countdown sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Syllabus AI ships an update every 5 weeks, Countdown monthly. The most recent releases landed on October 21, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Syllabus AI | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (6 ratings)](https://appshunter.io/ios/app/syllabus-ai/id6755570335/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Freemium | — |
| Size | 14 MB | 12 MB |
| Requires iOS | **17.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Alex Freedman](https://appshunter.io/developer/1834751302) | [Miguel Rosa Zazo](https://appshunter.io/developer/1873719041) |

## What reviewers say

### Syllabus AI

[App page](https://appshunter.io/ios/app/syllabus-ai/id6755570335)

Upload your course syllabus and let AI automatically extract all assignment due dates. Generate a complete semester schedule instantly, eliminating manual data entry. Stay organized and never miss a deadline again.

**Highlights:** AI-powered due date extraction, Automatic semester schedule generation, Instant deadline compilation, No manual typing required, Syllabus upload functionality

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Syllabus Pro Yearly | $12.99 | per year |
| Syllabus AI Pro | $12.99 | per year |


### Countdown

[App page](https://appshunter.io/ios/app/countdown-deadlines-and-dates/id6815212099)

**Features:** Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Lifetime | $8.99 | one-time |


## Frequently asked questions

### Is Syllabus AI free?

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

### Is Countdown free?

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

### Do Syllabus AI or Countdown have ads?

Neither Syllabus AI nor Countdown shows ads.

### Which is updated more often, Syllabus AI or Countdown?

Syllabus AI ships an update every 5 weeks, and Countdown monthly. Most recently, Syllabus AI was updated on October 21, 2026 and Countdown on October 31, 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.*