# Bluck vs CANIDAY

The clearest difference is in-app purchases: CANIDAY at none against Bluck's 1. Bluck's advantage is ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Bluck sells 1 in-app purchase, starting at $1.99 per month. CANIDAY asks for nothing beyond the download.

Bluck ships an update every 11 days, CANIDAY every 3 weeks. The most recent releases landed on September 11, 2026 and August 23, 2026 respectively.

## The numbers

| Metric | Bluck | CANIDAY |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 11 days** | Every 3 weeks |
| Size | 120 MB | 72 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seungrae Cho](https://appshunter.io/developer/1620778100) | [SANGWON LEE](https://appshunter.io/developer/1873543992) |

## What reviewers say

### Bluck

[App page](https://appshunter.io/ios/app/bluck-challenge-tracker/id6740204211)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro plan | $1.99 | per month |


### CANIDAY

[App page](https://appshunter.io/ios/app/caniday/id6758547447)

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

**In-app purchases:** none


## Frequently asked questions

### Is Bluck free?

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

### Is CANIDAY free?

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

### Do Bluck or CANIDAY have ads?

CANIDAY shows ads; Bluck does not.

### Which is updated more often, Bluck or CANIDAY?

Bluck ships an update every 11 days, and CANIDAY every 3 weeks. Most recently, Bluck was updated on September 11, 2026 and CANIDAY on August 23, 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.*