# LScolor vs Trainer24

The clearest difference is in-app purchases: LScolor at none against Trainer24's 4. Trainer24's advantage is update cadence (every 2 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Trainer24 sells 4 in-app purchases, starting at $2.99 per month. LScolor asks for nothing beyond the download.

LScolor ships an update every 2 months, Trainer24 every 2 days. The most recent releases landed on September 12, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | LScolor | Trainer24 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 days** |
| Monetization | Free | — |
| Size | 31 MB | 70 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Linshang Technology Co., Ltd.](https://appshunter.io/developer/1546040319) | [Nattapol Taboonma](https://appshunter.io/developer/1858826027) |

## What reviewers say

### LScolor

[App page](https://appshunter.io/ios/app/lscolor/id1546040317)

Connect to a color measuring instrument via Bluetooth for accurate color readings and instrument calibration. Quickly match measured colors to digital color charts and share them easily. Offers multiple color spaces and data import/export for seamless sharing and QC testing with adjustable color difference thresholds.

**Highlights:** Bluetooth instrument connection, Color measurement and calibration, Digital color chart matching, Color data sharing, Multiple color spaces, Color data import/export, Color difference comparison and QC testing

**Features:** macOS Compatibility

**In-app purchases:** none


### Trainer24

[App page](https://appshunter.io/ios/app/trainer24/id6756393694)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic Monthly | $2.99 | per month |
| Pro Monthly | $4.99 | per month |
| Basic Yearly | $29.99 | per year |
| Pro Yearly | $49.99 | per year |


## Frequently asked questions

### Is LScolor free?

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

### Is Trainer24 free?

Trainer24 is free to download, with in-app purchases available.

### Do LScolor or Trainer24 have ads?

Neither LScolor nor Trainer24 shows ads.

### Which is updated more often, LScolor or Trainer24?

LScolor ships an update every 2 months, and Trainer24 every 2 days. Most recently, LScolor was updated on September 12, 2026 and Trainer24 on September 8, 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.*