# Smart Maximo Mobile Windfarm vs Invoice & Estimate App

The clearest difference is price: Smart Maximo Mobile Windfarm at Free against Invoice & Estimate App's $2.99. Smart Maximo Mobile Windfarm also leads on update cadence (every 3 weeks vs every 3 months). Invoice & Estimate App's advantage is iOS requirement (12.2 vs 15.6). On ads, in-app purchases and device support there is nothing between them.

Smart Maximo Mobile Windfarm is free to download; Invoice & Estimate App costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Smart Maximo Mobile Windfarm ships an update every 3 weeks, Invoice & Estimate App every 3 months. The most recent releases landed on October 25, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Smart Maximo Mobile Windfarm | Invoice & Estimate App |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/invoice-and-estimate-app/id1639917082/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 3 months |
| Monetization | — | Paid |
| Size | 65 MB | 2 MB |
| Requires iOS | 15.6 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smartech](https://appshunter.io/developer/1316700203) | [SMC Analysts Ltd](https://appshunter.io/developer/487667375) |

## What reviewers say

### Smart Maximo Mobile Windfarm

[App page](https://appshunter.io/ios/app/smart-maximo-mobile-windfarm/id1583573635)

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

**In-app purchases:** none


### Invoice & Estimate App

[App page](https://appshunter.io/ios/app/invoice-and-estimate-app/id1639917082)

This app simplifies job cost tracking and professional invoice generation for businesses. It allows for detailed itemization of costs, creation of estimates and payment receipts, and management of payments received and overdue. The app is designed for flexibility across various business types.

**Highlights:** Job cost tracking, Professional invoice generation, Estimate creation, Payment receipt generation, Overdue payment tracking, Customer and material management, Data sync across devices

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

**In-app purchases:** none


## Frequently asked questions

### Is Smart Maximo Mobile Windfarm free?

Smart Maximo Mobile Windfarm is free to download, with no in-app purchases.

### Is Invoice & Estimate App free?

Invoice & Estimate App costs $2.99, with no in-app purchases.

### Do Smart Maximo Mobile Windfarm or Invoice & Estimate App have ads?

Neither Smart Maximo Mobile Windfarm nor Invoice & Estimate App shows ads.

### Which is updated more often, Smart Maximo Mobile Windfarm or Invoice & Estimate App?

Smart Maximo Mobile Windfarm ships an update every 3 weeks, and Invoice & Estimate App every 3 months. Most recently, Smart Maximo Mobile Windfarm was updated on October 25, 2026 and Invoice & Estimate App on November 3, 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.*