# Calphace vs SourceCanvas

The clearest difference is in-app purchases: SourceCanvas at none against Calphace's 3. SourceCanvas also leads on ads (none vs shown) and device support (4 vs 1). On price, update cadence and iOS requirement there is nothing between them.

Both are free to download. Calphace sells 3 one-off in-app purchases. SourceCanvas asks for nothing beyond the download.

Calphace ships an update monthly, SourceCanvas every 3 weeks. The most recent releases landed on October 7, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Calphace | SourceCanvas |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 7 MB | 22 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Mac, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Akihiro Usui](https://appshunter.io/developer/1387267485) | [音建 何](https://appshunter.io/developer/1676875589) |

## What reviewers say

### Calphace

[App page](https://appshunter.io/ios/app/calphace/id1587107292)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Snack-Sized Tip | $0.49 | one-time |
| Coffee-Sized Tip | $1.99 | one-time |
| Lunch-Sized Tip | $3.99 | one-time |


### SourceCanvas

[App page](https://appshunter.io/ios/app/sourcecanvas/id6760475425)

**In-app purchases:** none


## Frequently asked questions

### Is Calphace free?

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

### Is SourceCanvas free?

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

### Do Calphace or SourceCanvas have ads?

Calphace shows ads; SourceCanvas does not.

### Which is updated more often, Calphace or SourceCanvas?

Calphace ships an update monthly, and SourceCanvas every 3 weeks. Most recently, Calphace was updated on October 7, 2026 and SourceCanvas on October 5, 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.*