# AD Certify vs AD Inventory

The clearest difference is update cadence: AD Inventory at fortnightly against AD Certify's every 7 months. AD Certify's advantage is iOS requirement (12.0 vs 17.6). 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.

AD Certify ships an update every 7 months, AD Inventory fortnightly. The most recent releases landed on October 1, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | AD Certify | AD Inventory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (67 ratings)](https://appshunter.io/ios/app/ad-inventory/id1276019206/reviews)** |
| Number of ratings | — | **67** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Fortnightly** |
| Monetization | — | Free |
| Size | 79 MB | 116 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Avery Dennison Retail Information Services](https://appshunter.io/developer/1083971408) | [ZippyYum](https://appshunter.io/developer/510770552) |

## What reviewers say

### AD Certify

[App page](https://appshunter.io/ios/app/ad-certify/id1083971409)

**Features:** macOS Compatibility

**In-app purchases:** none


### AD Inventory

[App page](https://appshunter.io/ios/app/ad-inventory/id1276019206)

Streamline inventory management with this app, offering error prevention, voice recognition, and RFID scanning for efficient stock tracking and ordering. It automates data entry and supports multiple users and languages, saving significant labor hours.

**Highlights:** Error prevention algorithms, Voice recognition inventory, Barcode scanning, RFID inventory, Multi-user support, Automated re-ordering, Customizable conversions

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AD Certify free?

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

### Is AD Inventory free?

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

### Do AD Certify or AD Inventory have ads?

Neither AD Certify nor AD Inventory shows ads.

### Which is updated more often, AD Certify or AD Inventory?

AD Certify ships an update every 7 months, and AD Inventory fortnightly. Most recently, AD Certify was updated on October 1, 2026 and AD Inventory on October 10, 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.*