# eStocktake vs Billby

The clearest difference is in-app purchases: eStocktake at none against Billby's 4. eStocktake also leads on iOS requirement (13.0 vs 15.0). Billby's advantage is update cadence (every 3 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Billby sells 4 in-app purchases, starting at $4.99 per 7 days. eStocktake asks for nothing beyond the download.

eStocktake ships an update every 3 weeks, Billby every 3 days. The most recent releases landed on September 2, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | eStocktake | Billby |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/billby-invoice-maker/id6751199532/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 56 MB | 48 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lerna Private Limited](https://appshunter.io/developer/965527421) | [Sergiy Vergun](https://appshunter.io/developer/1833954536) |

## What reviewers say

### eStocktake

[App page](https://appshunter.io/ios/app/estocktake/id6499298674)

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

**In-app purchases:** none


### Billby

[App page](https://appshunter.io/ios/app/billby-invoice-maker/id6751199532)

Easily create professional invoices, estimates, quotes, bills, and receipts on your phone. Save documents as PDFs, share them with clients, and keep your billing organized. Ideal for freelancers and small businesses.

**Highlights:** Create professional invoices, Generate estimates and quotes, Prepare bills and receipts, Save and share PDF documents, Manage clients and items, Customize document templates

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly subscription | $4.99 | per 7 days |
| Monthly subscription | $9.99 | per month |
| Monthly subscription | $14.99 | per month |
| Yearly subscription | $99.99 | per year |


## Frequently asked questions

### Is eStocktake free?

eStocktake is free to download, with no in-app purchases.

### Is Billby free?

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

### Do eStocktake or Billby have ads?

Neither eStocktake nor Billby shows ads.

### Which is updated more often, eStocktake or Billby?

eStocktake ships an update every 3 weeks, and Billby every 3 days. Most recently, eStocktake was updated on September 2, 2026 and Billby on September 12, 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.*