# TracingMat vs Lockpi

The clearest difference is price: TracingMat at Free against Lockpi's $0.99. TracingMat also leads on update cadence (every 3 months vs every 14 months) and iOS requirement (12.4 vs 14.0). Lockpi's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

TracingMat is free to download; Lockpi costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TracingMat ships an update every 3 months, Lockpi every 14 months. The most recent releases landed on October 13, 2026 and November 25, 2025 respectively.

## The numbers

| Metric | TracingMat | Lockpi |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[3.8 (23 ratings)](https://appshunter.io/ios/app/tracingmat/id1497442654/reviews)** | — |
| Number of ratings | **23** | — |
| Positive reviews | 64.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 months** | Every 14 months |
| Monetization | Ad-supported | — |
| Size | 5 MB | 1 MB |
| Requires iOS | **12.4** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Yoko Nishimura](https://appshunter.io/developer/1497442653) | [贞平 阮](https://appshunter.io/developer/1369966007) |

## What reviewers say

### TracingMat

[App page](https://appshunter.io/ios/app/tracingmat/id1497442654)

Transform your device into a digital light table for tracing. Display an image and overlay your paper to easily copy designs. Adjust brightness, zoom, and rotate for optimal tracing conditions.

**Highlights:** Use device as a light table, Overlay paper for tracing, Adjustable screen brightness, Image zoom and pan, Image flip and rotate, Add images via import or camera

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

**In-app purchases:** none


### Lockpi

[App page](https://appshunter.io/ios/app/lockpi/id1556229855)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TracingMat free?

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

### Is Lockpi free?

Lockpi costs $0.99, with no in-app purchases.

### Do TracingMat or Lockpi have ads?

TracingMat shows ads; Lockpi does not.

### Which is updated more often, TracingMat or Lockpi?

TracingMat ships an update every 3 months, and Lockpi every 14 months. Most recently, TracingMat was updated on October 13, 2026 and Lockpi on November 25, 2025.

---

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