# ContractCal vs Invoice Maker . Estimate App

The clearest difference is price: Invoice Maker . Estimate App at Free against ContractCal's $9.99. Invoice Maker . Estimate App also leads on ratings volume (26 vs 2). ContractCal's advantage is in-app purchases (none vs 3) and update cadence (every 2 weeks vs monthly). On rating, review sentiment, ads and device support there is nothing between them.

Invoice Maker . Estimate App is free to download; ContractCal costs $9.99 up front. Invoice Maker . Estimate App sells 3 in-app purchases, starting at $3.99 per 7 days. ContractCal asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ContractCal against 5.0 for Invoice Maker . Estimate App. That said, the two scores are not equally well evidenced: Invoice Maker . Estimate App has 26 ratings behind it against 2, so its average is the more settled of the two. Written reviews are what separate them: 100% of ContractCal's written reviews are positive against 98% of Invoice Maker . Estimate App's.

ContractCal ships an update every 2 weeks, Invoice Maker . Estimate App monthly. The most recent releases landed on June 1, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | ContractCal | Invoice Maker . Estimate App |
| --- | --- | --- |
| Price | $9.99 | **Free** |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/contractcal/id1468947952/reviews) | [5.0 (26 ratings)](https://appshunter.io/ios/app/invoice-maker-estimate-app/id6462679827/reviews) |
| Number of ratings | 2 | **26** |
| Positive reviews | **100.0% of reviews** | 98.3% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 19 MB | 70 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VOSTROM Holdings, Inc.](https://appshunter.io/developer/447820770) | [Codematics Services](https://appshunter.io/developer/1225541389) |

## What reviewers say

### ContractCal

[App page](https://appshunter.io/ios/app/contractcal/id1468947952)

This app helps business owners and attorneys manage contracts by organizing deadlines, automating notifications, and facilitating secure sharing. It provides timely reminders for renegotiation or termination to avoid penalties and ensure optimal business decisions.

**Highlights:** Contract calendar and organizer, Renegotiation and termination reminders, Deadline integration with device calendar, Automated sharing of contracts, Subscription link for team access, Secure contract storage

**In-app purchases:** none


### Invoice Maker . Estimate App

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-app/id6462679827)

Create professional invoices, estimates, and receipts with customizable templates. Track sales, manage clients, and generate financial reports to streamline your business finances. Supports multiple currencies and secure data handling.

**Highlights:** Custom invoice templates, Receipt generation, Estimate creation and conversion, Sales and client reporting, Multiple currency support, Secure data handling

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $3.99 | per 7 days |
| Monthly Subscription | $9.99 | per month |
| Yearly Subscription | $49.99 | per year |

**What reviewers like**

- 🚀 Fast invoice and receipt creation
- 👍 User-friendly interface
- ✨ Professional-looking documents
- 📱 Convenient for on-the-go use
- ⏱️ Saves time for small businesses

**What reviewers complain about**

-  quảng cáo Intrusive advertising
- 🚫 Lacks client signature validation
- 🚫 Sharing button not functional

**Reported bugs**

- Sharing button does not work

**Requested features**

- Add a copy/duplicate invoice option
- Implement client signature validation
- Fix the share button functionality


## Frequently asked questions

### Is ContractCal free?

ContractCal costs $9.99, with no in-app purchases.

### Is Invoice Maker . Estimate App free?

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

### Which has better reviews, ContractCal or Invoice Maker . Estimate App?

ContractCal and Invoice Maker . Estimate App are both rated 5.0 out of 5 on the App Store, from 2 and 26 ratings respectively.

### Do ContractCal or Invoice Maker . Estimate App have ads?

Neither ContractCal nor Invoice Maker . Estimate App shows ads.

### Which is updated more often, ContractCal or Invoice Maker . Estimate App?

ContractCal ships an update every 2 weeks, and Invoice Maker . Estimate App monthly. Most recently, ContractCal was updated on June 1, 2026 and Invoice Maker . Estimate App on October 14, 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.*