# QC vs Billd Estimate & Invoice Maker

The clearest difference is in-app purchases: QC at none against Billd Estimate & Invoice Maker's 4. QC also leads on update cadence (fortnightly vs monthly) and iOS requirement (11.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. Billd Estimate & Invoice Maker sells 4 in-app purchases, starting at $2.99 per month. QC asks for nothing beyond the download.

QC ships an update fortnightly, Billd Estimate & Invoice Maker monthly. The most recent releases landed on October 27, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | QC | Billd Estimate & Invoice Maker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Monthly |
| Size | 12 MB | 17 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Profects B.V.](https://appshunter.io/developer/1216842919) | [Abdulla Yasin](https://appshunter.io/developer/1407887788) |

## What reviewers say

### QC

[App page](https://appshunter.io/ios/app/qc/id1590319406)

**Features:** macOS Compatibility

**In-app purchases:** none


### Billd Estimate & Invoice Maker

[App page](https://appshunter.io/ios/app/billd-estimate-and-invoice-maker/id6478083451)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One Month Pro | $2.99 | per month |
| Three Month | $5.99 | per 3 months |
| One Year | $17.99 | per year |
| Life time - One time | $24.99 | one-time |


## Frequently asked questions

### Is QC free?

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

### Is Billd Estimate & Invoice Maker free?

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

### Do QC or Billd Estimate & Invoice Maker have ads?

Neither QC nor Billd Estimate & Invoice Maker shows ads.

### Which is updated more often, QC or Billd Estimate & Invoice Maker?

QC ships an update fortnightly, and Billd Estimate & Invoice Maker monthly. Most recently, QC was updated on October 27, 2026 and Billd Estimate & Invoice Maker on October 4, 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.*