# (Simple)CRM vs FlyInvoice Pro

The clearest difference is ads: (Simple)CRM at none against FlyInvoice Pro's shown. FlyInvoice Pro's advantage is update cadence (every 6 days vs fortnightly) and iOS requirement (15.1 vs 18.6). On price, in-app purchases and device support there is nothing between them.

Both are free to download. (Simple)CRM sells 4 in-app purchases, starting at $1.99 per month and FlyInvoice Pro sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

(Simple)CRM ships an update fortnightly, FlyInvoice Pro every 6 days. The most recent releases landed on September 12, 2026 and May 15, 2026 respectively.

## The numbers

| Metric | (Simple)CRM | FlyInvoice Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Fortnightly | **Every 6 days** |
| Size | 15 MB | 50 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [MEHMET CAGRI MENCEK](https://appshunter.io/developer/1679230827) | [CHEAH Wen Feng](https://appshunter.io/developer/1817300584) |

## What reviewers say

### (Simple)CRM

[App page](https://appshunter.io/ios/app/simplecrm-client-tracker/id6746730659)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CRM Premium - Monthly | $1.99 | per month |
| CRM Premium - Annual | $19.99 | per year |
| CRM Premium - Lifetime | $24.99 | one-time |
| CRM Premium - Lifetime | $49.99 | one-time |


### FlyInvoice Pro

[App page](https://appshunter.io/ios/app/flyinvoice-pro-quick-invoice/id6752220577)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| FlyInvoice Pro Monthly | $0.99 | per month |


## Frequently asked questions

### Is (Simple)CRM free?

(Simple)CRM is free to download, with in-app purchases available.

### Is FlyInvoice Pro free?

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

### Do (Simple)CRM or FlyInvoice Pro have ads?

FlyInvoice Pro shows ads; (Simple)CRM does not.

### Which is updated more often, (Simple)CRM or FlyInvoice Pro?

(Simple)CRM ships an update fortnightly, and FlyInvoice Pro every 6 days. Most recently, (Simple)CRM was updated on September 12, 2026 and FlyInvoice Pro on May 15, 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.*