# BiG Inventory vs Guac

The clearest difference is update cadence: Guac at every 2 weeks against BiG Inventory's every 2 months. BiG Inventory's advantage is iOS requirement (11.0 vs 15.1). 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.

BiG Inventory ships an update every 2 months, Guac every 2 weeks. The most recent releases landed on September 16, 2026 and June 29, 2026 respectively.

## The numbers

| Metric | BiG Inventory | Guac |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/guac-inventory-ordering/id6453681945/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 83 MB | 69 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Synergy Alliance Solutions Sdn. Bhd.](https://appshunter.io/developer/1478245794) | [Guac, Inc.](https://appshunter.io/developer/1751589669) |

## What reviewers say

### BiG Inventory

[App page](https://appshunter.io/ios/app/big-inventory/id1571087806)

**In-app purchases:** none


### Guac

[App page](https://appshunter.io/ios/app/guac-inventory-ordering/id6453681945)

This app assists businesses in optimizing their inventory ordering process. It allows users to place orders, track historical purchases, and receive intelligent recommendations based on demand forecasting. Gain insights into the factors influencing your ordering decisions.

**Highlights:** Place orders with suppliers, Track past orders, Compare current to past orders, Demand forecasting recommendations, View recommendation drivers

**In-app purchases:** none


## Frequently asked questions

### Is BiG Inventory free?

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

### Is Guac free?

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

### Do BiG Inventory or Guac have ads?

Neither BiG Inventory nor Guac shows ads.

### Which is updated more often, BiG Inventory or Guac?

BiG Inventory ships an update every 2 months, and Guac every 2 weeks. Most recently, BiG Inventory was updated on September 16, 2026 and Guac on June 29, 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.*