# Memex vs Countdown

The clearest difference is update cadence: Countdown at every 2 days against Memex's fortnightly. Countdown also leads on monetization model (free vs freemium). Memex's advantage is iOS requirement (17.0 vs 26.0). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Memex against 5.0 for Countdown. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Memex ships an update fortnightly, Countdown every 2 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Memex | Countdown |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/memex-ai-markdown-canvas/id6758204977/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/countdown-days-until-and-widget/id6820218630/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | Freemium | **Free** |
| Size | 35 MB | 6 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Alex Morris](https://appshunter.io/developer/1871426979) | [Jack Isherwood](https://appshunter.io/developer/6818804002) |

## What reviewers say

### Memex

[App page](https://appshunter.io/ios/app/memex-ai-markdown-canvas/id6758204977)

Organize your Markdown notes and PDFs on an infinite canvas. Connect documents, sketch with Apple Pencil, and use an AI chat to ask questions about your gathered information. Your files remain private and accessible via iCloud Drive.

**Highlights:** Infinite canvas for notes and PDFs, AI chat to query your documents, Apple Pencil handwriting and sketching, Markdown rendering as live cards, Organize and connect content with arrows, Export content as images

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

**In-app purchases:** none


### Countdown

[App page](https://appshunter.io/ios/app/countdown-days-until-and-widget/id6820218630)

Track upcoming events like birthdays and trips with customizable widgets for your Home and Lock Screens. Receive timely reminders and sync seamlessly across your devices via iCloud. Enjoy all features for free without ads or in-app purchases.

**Highlights:** Customizable event widgets, Home and Lock Screen support, Yearly repeating event options, Multiple reminder options, iCloud sync across devices, Private by design

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is Memex free?

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

### Is Countdown free?

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

### Which has better reviews, Memex or Countdown?

Memex and Countdown are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Memex or Countdown have ads?

Neither Memex nor Countdown shows ads.

### Which is updated more often, Memex or Countdown?

Memex ships an update fortnightly, and Countdown every 2 days. Most recently, Memex was updated on October 31, 2026 and Countdown on October 31, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*