# Invoice 4all, Estimate Maker vs Spark

The clearest difference is monetization model: Invoice 4all, Estimate Maker at free with in-app purchases against Spark's subscription. Spark's advantage is update cadence (every 2 weeks vs every 2 months) and iOS requirement (11.0 vs 13.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Invoice 4all, Estimate Maker sells 10 in-app purchases, starting at $1.99 per month and Spark sells 2 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Invoice 4all, Estimate Maker against 4.8 for Spark. Both are backed by a comparable volume of ratings — 70 and 83 respectively. Written reviews are what separate them: 91% of Invoice 4all, Estimate Maker's written reviews are positive against 88% of Spark's.

Invoice 4all, Estimate Maker ships an update every 2 months, Spark every 2 weeks. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Invoice 4all, Estimate Maker | Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (70 ratings)](https://appshunter.io/ios/app/invoice-4all-estimate-maker/id1023160207/reviews) | **[4.8 (83 ratings)](https://appshunter.io/ios/app/spark-invoice-maker-app/id1528843691/reviews)** |
| Number of ratings | 70 | **83** |
| Positive reviews | **90.7% of reviews** | 88.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 26 MB | 60 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [GLOBALTEK SOLUTION UK LTD](https://appshunter.io/developer/1023160206) | [VECTOR WAVE TECH PTE. LTD.](https://appshunter.io/developer/1838199110) |

## What reviewers say

### Invoice 4all, Estimate Maker

[App page](https://appshunter.io/ios/app/invoice-4all-estimate-maker/id1023160207)

Create, send, and track invoices, estimates, and expenses on your mobile device. Keep your finances organized with secure cloud storage and automatic syncing across devices. Manage products, customers, and payments efficiently.

**Highlights:** Create and send invoices and estimates, Manage expenses and receipts, Add customers and products on the fly, Mark invoices as paid/unpaid, Search and email invoices/expenses, Professional invoice templates, Reverse Charge Invoice support

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Standard - Monthly Renewable | $1.99 | per month |
| Enterprise- Monthly Renewable | $2.99 | per month |
| Ultimate - Monthly Renewable | $4.99 | per month |
| UltimatePlus Monthly Renewable | $6.99 | per month |
| Standard - Yearly Renewable | $14.99 | per year |
| Enterprise - Yearly Renewable | $29.99 | per year |
| Ultimate- Yearly Renewable | $49.99 | per year |
| UnlimitedPlus-Yearly Renewable | $79.99 | per year |
| Standard 1 Year Non Renewing | $7.99 | one-time |
| Enterprise 1 Year Non Renewing | $9.99 | one-time |

**What reviewers like**

- 👍 Easy to use and operate
- 💰 Cheapest and affordable
- 🚀 Efficient for organizing invoices
- 💡 Developers listen to requests
- 💬 Excellent customer support

**What reviewers complain about**

- 🐛 Email not working
- 🐛 Login issues
- 🐛 Date glitch on invoices
- 🐛 No receipt option
- 🐛 Server down issues

**Reported bugs**

- Email portion non-functional
- Cannot send emails to self or clients
- Server has been down for a week
- App will not let me log in
- Problem using email system for automatic copy

**Requested features**

- New invoice option that pops up blank
- Estimates able to transfer to invoicing
- Support for Spanish language
- Export contacts
- Save all settings


### Spark

[App page](https://appshunter.io/ios/app/spark-invoice-maker-app/id1528843691)

Create and send professional invoices and estimates quickly and simply. Save templates for efficiency, track account history, and add discounts or taxes. Share invoices in various formats and attach images or notes.

**Highlights:** Create professional invoices and estimates, Save invoice templates for efficiency, Track customer account history, Add product or total discounts, Edit taxation per item or total, Share via email, text, PDF, or messengers, Attach images and notes to invoices

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Invoice Generator Monthly | $8.99 | per month |
| Invoice Generator Yearly | $68.99 | per year |


## Frequently asked questions

### Is Invoice 4all, Estimate Maker free?

Invoice 4all, Estimate Maker is free to download, with in-app purchases available.

### Is Spark free?

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

### Which has better reviews, Invoice 4all, Estimate Maker or Spark?

Spark is rated higher. Invoice 4all, Estimate Maker averages 4.7 out of 5 from 70 ratings, while Spark averages 4.8 from 83 ratings.

### Do Invoice 4all, Estimate Maker or Spark have ads?

Neither Invoice 4all, Estimate Maker nor Spark shows ads.

### Which is updated more often, Invoice 4all, Estimate Maker or Spark?

Invoice 4all, Estimate Maker ships an update every 2 months, and Spark every 2 weeks. Most recently, Invoice 4all, Estimate Maker was updated on November 1, 2026 and Spark on October 27, 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.*