# 汽配码头智库 vs Invoice Maker, Estimates

The clearest difference is in-app purchases: 汽配码头智库 at none against Invoice Maker, Estimates's 5. 汽配码头智库 also leads on update cadence (fortnightly vs every 6 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Invoice Maker, Estimates sells 5 in-app purchases, starting at $4.99 per 7 days. 汽配码头智库 asks for nothing beyond the download.

汽配码头智库 ships an update fortnightly, Invoice Maker, Estimates every 6 months. Both last shipped on October 30, 2026.

## The numbers

| Metric | 汽配码头智库 | Invoice Maker, Estimates |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 6 months |
| Size | 17 MB | 52 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [深圳市前海拾车道信息技术有限公司](https://appshunter.io/developer/1192964776) | [Samuel Schneider](https://appshunter.io/developer/6818997333) |

## What reviewers say

### 汽配码头智库

[App page](https://appshunter.io/ios/app/id6462364630)

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

**In-app purchases:** none


### Invoice Maker, Estimates

[App page](https://appshunter.io/ios/app/invoice-maker-estimates/id6755150978)

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly-Trial | $4.99 | per 7 days |
| Weekly | $4.99 | per 7 days |
| Monthly | $12.99 | per month |
| Yearly | $39.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is 汽配码头智库 free?

汽配码头智库 is free to download, with no in-app purchases.

### Is Invoice Maker, Estimates free?

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

### Do 汽配码头智库 or Invoice Maker, Estimates have ads?

Neither 汽配码头智库 nor Invoice Maker, Estimates shows ads.

### Which is updated more often, 汽配码头智库 or Invoice Maker, Estimates?

汽配码头智库 ships an update fortnightly, and Invoice Maker, Estimates every 6 months. Most recently, 汽配码头智库 was updated on October 30, 2026 and Invoice Maker, Estimates 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.*