# IRIS CRM vs Full Stack Payments

The clearest difference is review sentiment: Full Stack Payments at 100% against IRIS CRM's 36%. Full Stack Payments also leads on rating (4.7 vs 3.4) and update cadence (every 9 days vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Full Stack Payments holds the better App Store score, 4.7 against 3.4. Both are backed by a comparable volume of ratings — 17 and 10 respectively. Written reviews point the same way: 36% of IRIS CRM's written reviews are positive against 100% of Full Stack Payments's.

IRIS CRM ships an update every 2 months, Full Stack Payments every 9 days. The most recent releases landed on August 21, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | IRIS CRM | Full Stack Payments |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.4 (17 ratings)](https://appshunter.io/ios/app/iris-crm/id1485728590/reviews) | **[4.7 (10 ratings)](https://appshunter.io/ios/app/full-stack-payments/id6618155476/reviews)** |
| Number of ratings | **17** | 10 |
| Positive reviews | 36.4% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 41 MB | 64 MB |
| Requires iOS | 16.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [IRIS CRM](https://appshunter.io/developer/1485728589) | [Full Stack Payments](https://appshunter.io/developer/1761833416) |

## 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


### Full Stack Payments

[App page](https://appshunter.io/ios/app/full-stack-payments/id6618155476)

Connect local businesses with tailored software solutions through a nationwide agent network. Agents schedule demos and earn bonuses and residual income for successful merchant processing accounts.

**Highlights:** Connect businesses with software solutions, Nationwide agent network, Schedule software demos, Earn scheduling bonuses, Earn residual income

**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 Full Stack Payments free?

Full Stack Payments is free to download, with no in-app purchases.

### Which has better reviews, IRIS CRM or Full Stack Payments?

Full Stack Payments is rated higher. IRIS CRM averages 3.4 out of 5 from 17 ratings, while Full Stack Payments averages 4.7 from 10 ratings.

### Do IRIS CRM or Full Stack Payments have ads?

Neither IRIS CRM nor Full Stack Payments shows ads.

### Which is updated more often, IRIS CRM or Full Stack Payments?

IRIS CRM ships an update every 2 months, and Full Stack Payments every 9 days. Most recently, IRIS CRM was updated on August 21, 2026 and Full Stack Payments on September 18, 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.*