# Estimate & Invoice Maker vs crenya erp

The clearest difference is in-app purchases: crenya erp at none against Estimate & Invoice Maker's 1. Estimate & Invoice Maker's advantage is update cadence (daily vs every 3 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Estimate & Invoice Maker sells 1 one-off in-app purchase. crenya erp asks for nothing beyond the download.

Estimate & Invoice Maker ships an update daily, crenya erp every 3 days. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Estimate & Invoice Maker | crenya erp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 days |
| Size | 33 MB | 22 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Apenta](https://appshunter.io/developer/1612238829) | [Sammish Thundiyil](https://appshunter.io/developer/1719747429) |

## What reviewers say

### Estimate & Invoice Maker

[App page](https://appshunter.io/ios/app/estimate-and-invoice-maker/id6757620368)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lifetime Access | $29.99 | one-time |


### crenya erp

[App page](https://appshunter.io/ios/app/crenya-erp/id6768302495)

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

**In-app purchases:** none


## Frequently asked questions

### Is Estimate & Invoice Maker free?

Estimate & Invoice Maker is free to download, with in-app purchases available.

### Is crenya erp free?

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

### Do Estimate & Invoice Maker or crenya erp have ads?

Neither Estimate & Invoice Maker nor crenya erp shows ads.

### Which is updated more often, Estimate & Invoice Maker or crenya erp?

Estimate & Invoice Maker ships an update daily, and crenya erp every 3 days. Most recently, Estimate & Invoice Maker was updated on October 13, 2026 and crenya erp on October 9, 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.*