# ATE18 vs InStock.

The clearest difference is update cadence: InStock. at every 9 days against ATE18's every 5 weeks. ATE18's advantage is iOS requirement (12.1 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ATE18 ships an update every 5 weeks, InStock. every 9 days. The most recent releases landed on September 10, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ATE18 | InStock. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.3 (6 ratings)](https://appshunter.io/ios/app/instock/id6504441540/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | — | Free |
| Size | 51 MB | 76 MB |
| Requires iOS | **12.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Spark Trading](https://appshunter.io/developer/461149302) | [N STOCK FOR DIGITAL TRANSFORMATION](https://appshunter.io/developer/1752294999) |

## What reviewers say

### ATE18

[App page](https://appshunter.io/ios/app/ate18/id1575687421)

**Features:** macOS Compatibility

**In-app purchases:** none


### InStock.

[App page](https://appshunter.io/ios/app/instock/id6504441540)

This platform connects customers with hundreds of local vendors for scientific, industrial, and medical laboratory supplies. It aims to provide better quality products with easy tracking and resale options.

**Highlights:** Local vendor marketplace, Scientific, industrial, medical supplies, Easy item tracking, Resale functionality, Hundreds of vendors

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ATE18 free?

ATE18 is free to download, with no in-app purchases.

### Is InStock. free?

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

### Do ATE18 or InStock. have ads?

Neither ATE18 nor InStock. shows ads.

### Which is updated more often, ATE18 or InStock.?

ATE18 ships an update every 5 weeks, and InStock. every 9 days. Most recently, ATE18 was updated on September 10, 2026 and InStock. on September 23, 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.*