# Zoho Invoice Maker App vs PMP JustMath

The clearest difference is price: Zoho Invoice Maker App at Free against PMP JustMath's $2.99. Zoho Invoice Maker App also leads on rating (4.9 vs 3.3) and update cadence (every 9 days vs every 5 months). PMP JustMath's advantage is in-app purchases (none vs 10) and chart position (#127 vs unranked). On ads there is nothing between them.

Zoho Invoice Maker App is free to download; PMP JustMath costs $2.99 up front. Zoho Invoice Maker App sells 10 in-app purchases, starting at $6.99 per month. PMP JustMath asks for nothing beyond the download.

Zoho Invoice Maker App holds the better App Store score, 4.9 against 3.3. That said, the two scores are not equally well evidenced: Zoho Invoice Maker App has 15K ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 91% of Zoho Invoice Maker App's written reviews are positive against 67% of PMP JustMath's.

Zoho Invoice Maker App ships an update every 9 days, PMP JustMath every 5 months. The most recent releases landed on October 16, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Zoho Invoice Maker App | PMP JustMath |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.9 (15K ratings)](https://appshunter.io/ios/app/zoho-invoice-maker-app/id413017364/reviews)** | [3.3 (3 ratings)](https://appshunter.io/ios/app/pmp-justmath/id1531995754/reviews) |
| Number of ratings | **15K** | 3 |
| Positive reviews | **90.6% of reviews** | 66.7% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 5 months |
| Monetization | **Free** | Paid |
| Best chart rank | — | **#127** |
| Size | 394 MB | 17 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | **iPhone, iPad, Apple TV, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zoho Corporation](https://appshunter.io/developer/388384807) | [Yin Kai Leung Joseph](https://appshunter.io/developer/843708119) |

## What reviewers say

### Zoho Invoice Maker App

[App page](https://appshunter.io/ios/app/zoho-invoice-maker-app/id413017364)

Create professional invoices and estimates for your small business. Send them directly to clients, accept online payments, and automate reminders for overdue bills. Track expenses and gain insights into your business finances with comprehensive reports.

**Highlights:** Create professional invoices, Generate estimates, Accept online payments, Automated payment reminders, Track business expenses, Customer portal, Time tracking for projects

**Features:** Siri integration, Apple Wallet, Apple Watch app, iMessage stickers, Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Basic - Monthly | $6.99 | per month |
| Basic Plan - Monthly | $10.99 | per month |
| Standard - Monthly | $14.99 | per month |
| Standard Plan - Monthly | $21.99 | per month |
| Professional - Monthly | $29.99 | per month |
| Professional Plan - Monthly | $32.99 | per month |
| Basic - Yearly | $69.99 | per year |
| Basic Plan - Yearly | $107.99 | per year |
| Standard - Yearly | $149.99 | per year |
| Standard Plan - Yearly | $229.99 | per year |

**What reviewers like**

- 👍 User-friendly
- 🚀 Easy to use
- 💰 Free app
- ⭐ Excellent functionality
- 🔧 Customizable templates

**What reviewers complain about**

- 🐛 Occasional bugs and glitches
- 🔍 Limited customization options
- 🔒 Security concerns with account access
- 💻 Requires internet connection
- 📁 Difficulty managing contacts and expenses

**Reported bugs**

- Invoices not sending to clients
- Inability to edit or delete saved contacts
- Timesheet entries not syncing properly
- Recurring invoice issues

**Requested features**

- Offline mode for invoicing
- Advanced expense tracking and categorization
- Bulk invoice management and emailing
- Integration with accounting software
- Customizable invoice templates and branding


### PMP JustMath

[App page](https://appshunter.io/ios/app/pmp-justmath/id1531995754)

**Currently charting:** #127 Top Paid · Business (US App Store)

Enhance your PMP® certification math skills with in-depth explanations and step-by-step solutions for all exam concepts. Study on the go with comprehensive review modes and expert-developed content.

**Highlights:** In-depth math concept explanations, Step-by-step question solutions, Master all PMP math questions, Forever access to content, 360-degree result assessment, Review mode for intuitive study

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

**In-app purchases:** none


## Frequently asked questions

### Is Zoho Invoice Maker App free?

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

### Is PMP JustMath free?

PMP JustMath costs $2.99, with no in-app purchases.

### Which has better reviews, Zoho Invoice Maker App or PMP JustMath?

Zoho Invoice Maker App is rated higher. Zoho Invoice Maker App averages 4.9 out of 5 from 15K ratings, while PMP JustMath averages 3.3 from 3 ratings.

### Do Zoho Invoice Maker App or PMP JustMath have ads?

Neither Zoho Invoice Maker App nor PMP JustMath shows ads.

### Which is updated more often, Zoho Invoice Maker App or PMP JustMath?

Zoho Invoice Maker App ships an update every 9 days, and PMP JustMath every 5 months. Most recently, Zoho Invoice Maker App was updated on October 16, 2026 and PMP JustMath on October 10, 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.*