# Spacify vs Canmark

The clearest difference is in-app purchases: Canmark at none against Spacify's 3. Canmark also leads on update cadence (weekly vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Spacify sells 3 in-app purchases, starting at $2.99 per month. Canmark asks for nothing beyond the download.

Spacify ships an update every 3 weeks, Canmark weekly. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Spacify | Canmark |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 1 MB |
| Requires iOS | 18.0 | **17.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Denis Semenov](https://appshunter.io/developer/1441647112) | [Hitomi Ambe](https://appshunter.io/developer/1692296704) |

## What reviewers say

### Spacify

[App page](https://appshunter.io/ios/app/spacify-learn-and-remember/id1441647113)

This app helps you retain information by creating smart flashcards. It uses a scientifically proven spaced repetition algorithm to optimize memorization and offers a minimalist design to minimize distractions. Learn and remember anything, from vocabulary to complex facts, with this efficient study tool.

**Highlights:** Create smart flashcards, Spaced Repetition algorithm, iCloud sync & backup, Minimalist design, Rich text editor, Offline and online functionality

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| 3 Months Subscription | $2.99 | per 3 months |
| Annual Subscription | $19.99 | per year |


### Canmark

[App page](https://appshunter.io/ios/app/canmark/id6755275678)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spacify free?

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

### Is Canmark free?

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

### Do Spacify or Canmark have ads?

Neither Spacify nor Canmark shows ads.

### Which is updated more often, Spacify or Canmark?

Spacify ships an update every 3 weeks, and Canmark weekly. Most recently, Spacify was updated on September 23, 2026 and Canmark on September 13, 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.*