# GFG GridGuru vs Battery Inventory

The clearest difference is in-app purchases: GFG GridGuru at none against Battery Inventory's 2. GFG GridGuru also leads on iOS requirement (12.0 vs 17.0). Battery Inventory's advantage is update cadence (every 9 days vs every 7 months). On price, ads and device support there is nothing between them.

Both are free to download. Battery Inventory sells 2 in-app purchases, starting at $2.99 per month. GFG GridGuru asks for nothing beyond the download.

GFG GridGuru ships an update every 7 months, Battery Inventory every 9 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GFG GridGuru | Battery Inventory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 9 days** |
| Size | 60 MB | 6 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [GFG Power](https://appshunter.io/developer/1806093315) | [Tamas Bereczki](https://appshunter.io/developer/1896398420) |

## What reviewers say

### GFG GridGuru

[App page](https://appshunter.io/ios/app/gfg-gridguru/id6744109040)

**Features:** macOS Compatibility

**In-app purchases:** none


### Battery Inventory

[App page](https://appshunter.io/ios/app/battery-inventory/id6784595492)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Battery Inventory Pro Monthly | $2.99 | per month |
| Battery Inventory Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is GFG GridGuru free?

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

### Is Battery Inventory free?

Battery Inventory is free to download, with in-app purchases available.

### Do GFG GridGuru or Battery Inventory have ads?

Neither GFG GridGuru nor Battery Inventory shows ads.

### Which is updated more often, GFG GridGuru or Battery Inventory?

GFG GridGuru ships an update every 7 months, and Battery Inventory every 9 days. Most recently, GFG GridGuru was updated on October 25, 2026 and Battery Inventory on October 24, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*