# LessoCRM vs ThumbMark

The clearest difference is in-app purchases: LessoCRM at none against ThumbMark's 3. LessoCRM also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ThumbMark sells 3 in-app purchases, starting at $2.99 per 7 days. LessoCRM asks for nothing beyond the download.

LessoCRM ships an update every 10 days, ThumbMark weekly. The most recent releases landed on September 22, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | LessoCRM | ThumbMark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thumbmark-fingerprint-scan/id6764272049/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 15 MB | 74 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [广东联塑科技实业有限公司](https://appshunter.io/developer/1464881401) | [Carlos Javier Gonzalez Vasquez](https://appshunter.io/developer/1895465141) |

## What reviewers say

### LessoCRM

[App page](https://appshunter.io/ios/app/lessocrm/id6757697338)

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

**In-app purchases:** none


### ThumbMark

[App page](https://appshunter.io/ios/app/thumbmark-fingerprint-scan/id6764272049)

This offline tool allows users to capture, organize, and analyze high-resolution fingerprints locally. It offers multiple viewing modes for detailed ridge examination and ensures all data remains on the device.

**Highlights:** Local data processing, Detailed fingerprint organization, Triple vision analysis modes, High-resolution capture, Unlimited subject profiles (Pro), Advanced export capabilities (Pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thumbmark Pro Week | $2.99 | per 7 days |
| Thumbmark Pro Month | $5.99 | per month |
| Thumbmark Pro Year | $49.99 | per year |


## Frequently asked questions

### Is LessoCRM free?

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

### Is ThumbMark free?

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

### Do LessoCRM or ThumbMark have ads?

Neither LessoCRM nor ThumbMark shows ads.

### Which is updated more often, LessoCRM or ThumbMark?

LessoCRM ships an update every 10 days, and ThumbMark weekly. Most recently, LessoCRM was updated on September 22, 2026 and ThumbMark on September 19, 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.*