# Opa Crm vs TechClient by Seltec

The clearest difference is in-app purchases: Opa Crm at none against TechClient by Seltec's 1. Opa Crm also leads on iOS requirement (15.6 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TechClient by Seltec sells 1 in-app purchase, starting at $4.99 per month. Opa Crm asks for nothing beyond the download.

Opa Crm ships an update monthly, TechClient by Seltec every 6 weeks. The most recent releases landed on September 28, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Opa Crm | TechClient by Seltec |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Size | 24 MB | 13 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Manufacturas Digitales 3D](https://appshunter.io/developer/1689318445) | [Miguel Tamez](https://appshunter.io/developer/1840292225) |

## What reviewers say

### Opa Crm

[App page](https://appshunter.io/ios/app/opa-crm/id6449474142)

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

**In-app purchases:** none


### TechClient by Seltec

[App page](https://appshunter.io/ios/app/techclient-by-seltec/id6756256432)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $4.99 | per month |


## Frequently asked questions

### Is Opa Crm free?

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

### Is TechClient by Seltec free?

TechClient by Seltec is free to download, with in-app purchases available.

### Do Opa Crm or TechClient by Seltec have ads?

Neither Opa Crm nor TechClient by Seltec shows ads.

### Which is updated more often, Opa Crm or TechClient by Seltec?

Opa Crm ships an update monthly, and TechClient by Seltec every 6 weeks. Most recently, Opa Crm was updated on September 28, 2026 and TechClient by Seltec on October 11, 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.*