# IRIS CRM vs DSS Drive & Teach

IRIS CRM and DSS Drive & Teach are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IRIS CRM ships an update every 2 months, DSS Drive & Teach monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | IRIS CRM | DSS Drive & Teach |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.4 (18 ratings)](https://appshunter.io/ios/app/iris-crm/id1485728590/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 36.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 41 MB | 33 MB |
| Requires iOS | 16.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [IRIS CRM](https://appshunter.io/developer/1485728589) | [DanubeNet](https://appshunter.io/developer/471860996) |

## What reviewers say

### IRIS CRM

[App page](https://appshunter.io/ios/app/iris-crm/id1485728590)

Streamline your merchant services business with this mobile CRM. Features include a power dialer for efficient client outreach, contact management, and tools to board accounts, calculate residuals, and monitor your portfolio.

**Highlights:** Power dialer for efficient client calls, Contact database accessible anywhere, Update client notes and deals on the go, Direct calling, texting, and emailing, Board accounts and monitor portfolios, Calculate residuals and track transactions

**In-app purchases:** none


### DSS Drive & Teach

[App page](https://appshunter.io/ios/app/dss-drive-and-teach/id6742194872)

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

**In-app purchases:** none


## Frequently asked questions

### Is IRIS CRM free?

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

### Is DSS Drive & Teach free?

DSS Drive & Teach is free to download, with no in-app purchases.

### Do IRIS CRM or DSS Drive & Teach have ads?

Neither IRIS CRM nor DSS Drive & Teach shows ads.

### Which is updated more often, IRIS CRM or DSS Drive & Teach?

IRIS CRM ships an update every 2 months, and DSS Drive & Teach monthly. Most recently, IRIS CRM was updated on November 3, 2026 and DSS Drive & Teach on October 30, 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.*