# Trace Drawing app vs CalcaLight

The clearest difference is update cadence: Trace Drawing app at every 3 weeks against CalcaLight's every 2 months. Trace Drawing app also leads on iOS requirement (15.0 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trace Drawing app sells 1 one-off in-app purchase and CalcaLight sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Trace Drawing app ships an update every 3 weeks, CalcaLight every 2 months. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Trace Drawing app | CalcaLight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 73 MB | 1 MB |
| Requires iOS | **15.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [丽东 陈](https://appshunter.io/developer/439223469) | [Raul de Pablo](https://appshunter.io/developer/1884614097) |

## What reviewers say

### Trace Drawing app

[App page](https://appshunter.io/ios/app/trace-drawing-app/id6759525679)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| pro_user | $1.99 | one-time |


### CalcaLight

[App page](https://appshunter.io/ios/app/calcalight/id6760706340)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support development | $0.99 | one-time |
| Support development | $2.99 | one-time |
| Support development | $3.99 | one-time |


## Frequently asked questions

### Is Trace Drawing app free?

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

### Is CalcaLight free?

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

### Do Trace Drawing app or CalcaLight have ads?

Neither Trace Drawing app nor CalcaLight shows ads.

### Which is updated more often, Trace Drawing app or CalcaLight?

Trace Drawing app ships an update every 3 weeks, and CalcaLight every 2 months. Most recently, Trace Drawing app was updated on October 5, 2026 and CalcaLight on October 4, 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.*