# Invoice Maker vs AI Writing Tools

The clearest difference is rating: AI Writing Tools at 5.0 against Invoice Maker's 4.0. Invoice Maker's advantage is update cadence (every 2 days vs fortnightly). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Invoice Maker sells 6 in-app purchases, starting at $5.99 per 7 days and AI Writing Tools sells 2 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

AI Writing Tools holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

Invoice Maker ships an update every 2 days, AI Writing Tools fortnightly. The most recent releases landed on November 9, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Invoice Maker | AI Writing Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/invoice-maker-estimate-gen-ai/id6755001214/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/ai-writing-tools-firetype/id6756589549/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Fortnightly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 52 MB | 25 MB |
| Requires iOS | 18.6 | 18.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Trendium LLC](https://appshunter.io/developer/1773698404) | [Yannick Lange](https://appshunter.io/developer/1622868185) |

## What reviewers say

### Invoice Maker

[App page](https://appshunter.io/ios/app/invoice-maker-estimate-gen-ai/id6755001214)

Effortlessly create professional invoices, estimates, and receipts with AI-powered tools. This app simplifies billing for freelancers, contractors, and small businesses, offering instant PDF export and business tracking.

**Highlights:** AI-powered invoice and estimate generation, Instant PDF export, Professional invoice and estimate templates, Receipt maker and business document creator, Client and job saving for reuse, Invoice status tracking, Business tracking tools

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $5.99 | per 7 days |
| Premium Weekly | $8.99 | per 7 days |
| Premium Yearly | $29.99 | per year |
| Premium Yearly | $59.99 | per year |
| Lifetime Premium | $39.99 | one-time |
| Lifetime Unlimited | $99.99 | one-time |


### AI Writing Tools

[App page](https://appshunter.io/ios/app/ai-writing-tools-firetype/id6756589549)

This AI-powered keyboard integrates writing assistance directly into your typing experience. It offers features like paraphrasing, grammar correction, instant translation, and personalized AI agents to help you communicate more effectively across all your apps.

**Highlights:** AI-powered writing assistance, Grammar and spelling correction, Instant translation, Personalized AI agents, Works across all apps, Privacy protection

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Yearly | $49.99 | per year |


## Frequently asked questions

### Is Invoice Maker free?

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

### Is AI Writing Tools free?

AI Writing Tools is free to download, with in-app purchases available.

### Which has better reviews, Invoice Maker or AI Writing Tools?

AI Writing Tools is rated higher. Invoice Maker averages 4.0 out of 5 from 1 ratings, while AI Writing Tools averages 5.0 from 2 ratings.

### Do Invoice Maker or AI Writing Tools have ads?

Neither Invoice Maker nor AI Writing Tools shows ads.

### Which is updated more often, Invoice Maker or AI Writing Tools?

Invoice Maker ships an update every 2 days, and AI Writing Tools fortnightly. Most recently, Invoice Maker was updated on November 9, 2026 and AI Writing Tools on October 30, 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.*