# Duo Solar Quotation vs XMonitor

The clearest difference is update cadence: XMonitor at weekly against Duo Solar Quotation's fortnightly. On price, ads, in-app purchases and device support there is nothing between them.

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

Duo Solar Quotation ships an update fortnightly, XMonitor weekly. The most recent releases landed on September 15, 2026 and May 19, 2026 respectively.

## The numbers

| Metric | Duo Solar Quotation | XMonitor |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Free | — |
| Size | 44 MB | 28 MB |
| Requires iOS | **11.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [Umang Kathiyara](https://appshunter.io/developer/1433901120) | [XWATT ENERGY PRIVATE LIMITED](https://appshunter.io/developer/1776806874) |

## What reviewers say

### Duo Solar Quotation

[App page](https://appshunter.io/ios/app/duo-solar-quotation/id6474010931)

Easily create, share, and manage professional quotations and estimates for your business. This free tool helps you generate invoices, track client information, and calculate taxes automatically.

**Highlights:** Generate quotations/estimates, Share with customers, Auto calculate tax and totals, Manage past quotations, Add company details, Unlimited client management, Save quotations locally

**Features:** macOS Compatibility

**In-app purchases:** none


### XMonitor

[App page](https://appshunter.io/ios/app/xmonitor/id6739410545)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Duo Solar Quotation free?

Duo Solar Quotation is free to download, with no in-app purchases.

### Is XMonitor free?

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

### Do Duo Solar Quotation or XMonitor have ads?

Neither Duo Solar Quotation nor XMonitor shows ads.

### Which is updated more often, Duo Solar Quotation or XMonitor?

Duo Solar Quotation ships an update fortnightly, and XMonitor weekly. Most recently, Duo Solar Quotation was updated on September 15, 2026 and XMonitor on May 19, 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.*