Just Invoice vs 4Spares
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Just Invoice
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Just Invoice is an intuitive invoicing application for creating and sending quotes and invoices to your customers. Quote & Invoicing ⢠Invoices for products and services ⢠Create and send quotes to your customers, convert your quotes into invoices ⢠Import your products and services by customizing the fields of your items: quantity, price, description, image, sku ⢠Use more billing account and configure each account (Merchants) ⢠Import your customer files ⢠Choose the terms of payment of the invoice (by 15, 30 or 45 days) ⢠Apply discounts on your items or on the total amount ⢠Define the taxes applicable to your products and services ⢠Define taxes included or excluded ⢠Customize your company logo ⢠Edit your invoice numbers easily ⢠Easily create invoices on your phone ⢠Easily create invoices on your phone ⢠Create a customer from the phone's contact list ⢠Use the currency of your country 42 languages: French, English, Arabic, Danish, German, Spanish, Irish, Scottish, Hebrew, Hindi, Croatian, Hungarian, Armenian, Indonesian, Icelandic, Italian, Japanese, Georgian, Korean, Malagasy, Mongolian, Moldovan, Maltese, Burmese, Nepalese, Dutch, Norwegian, Polish, Pashto, Portuguese, Russian, Slovak, Slovenian, Somali, Swedish, Tamil, Thai, Turkmen, Turkish, Vietnamese, Chinese Multi-currencies: more than 200 currencies With Just Invoice you manage your customers' invoicing in record time, by sending them professional invoices in your image. With the free version you can be limited in number, if you like our app you can upgrade the app to be able to create an unlimited number of invoices.
4Spares
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Sell vehicle spare parts, manage orders, and reach more customers with ease.
Screenshots
Verdict
The clearest difference is update cadence: 4Spares at every 3 days against Just Invoice's monthly. Just Invoice's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Just Invoice ships an update monthly, 4Spares every 3 days. The most recent releases landed on October 2, 2026 and September 25, 2026 respectively.
| Parameter | Just Invoice | 4Spares |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 3 days ā better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 ā better | 15.0 |
| Further details ā not scored | ||
| Size | 29 MB | 74 MB |
| Age rating | 17+ | 4+ |
| Developer | WAFR CONSULTING | 4SPARES PRIVATE LIMITED |
In-app purchases
Just Invoice
No in-app purchases
4Spares
No in-app purchases
Questions
Is Just Invoice free?
Is 4Spares free?
Do Just Invoice or 4Spares have ads?
Which is updated more often, Just Invoice or 4Spares?
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