# Lockerfox vs FieldGrade

The clearest difference is update cadence: FieldGrade at every 2 days against Lockerfox's monthly. Lockerfox's advantage is monetization model (free vs free with in-app purchases) and ratings volume (1.1K vs 1). On price, rating, ads and in-app purchases there is nothing between them.

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

On the App Store both sit at effectively the same score — 4.9 for Lockerfox against 5.0 for FieldGrade. That said, the two scores are not equally well evidenced: Lockerfox has 1.1K ratings behind it against 1, so its average is the more settled of the two.

Lockerfox ships an update monthly, FieldGrade every 2 days. The most recent releases landed on October 27, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Lockerfox | FieldGrade |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (1.1K ratings)](https://appshunter.io/ios/app/lockerfox/id1636351633/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/fieldgrade/id6816181064/reviews)** |
| Number of ratings | **1.1K** | 1 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 70 MB | 8 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Lockerfox, LLC](https://appshunter.io/developer/936247957) | [Timmy Faneuf](https://appshunter.io/developer/6808820625) |

## What reviewers say

### Lockerfox

[App page](https://appshunter.io/ios/app/lockerfox/id1636351633)

Discover and bid on local self-storage unit auctions online. Find great deals on unclaimed goods and turn your winnings into profit. This platform streamlines the auction process, allowing you to bid from anywhere.

**Highlights:** Online storage auctions, Bid on local units, Find great deals, Turn winnings into cash, Streamlined bidding experience

**Features:** Apple Wallet

**In-app purchases:** none


### FieldGrade

[App page](https://appshunter.io/ios/app/fieldgrade/id6816181064)

Visualize your position on construction grade plans in real-time. This app displays your location and heading on various plan formats, allowing you to tap for design grades and access detailed information about pipes and other features. It also includes tools for marking areas and measuring distances.

**Highlights:** Live GPS position on grade plans, Supports Topcon, Trimble, Civil 3D, DXF, KML, Tap for design grade and pipe data, Create and navigate to markers, Measure distances, Offline plan and marker support

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

**In-app purchases:** none


## Frequently asked questions

### Is Lockerfox free?

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

### Is FieldGrade free?

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

### Which has better reviews, Lockerfox or FieldGrade?

FieldGrade is rated higher. Lockerfox averages 4.9 out of 5 from 1.1K ratings, while FieldGrade averages 5.0 from 1 ratings.

### Do Lockerfox or FieldGrade have ads?

Neither Lockerfox nor FieldGrade shows ads.

### Which is updated more often, Lockerfox or FieldGrade?

Lockerfox ships an update monthly, and FieldGrade every 2 days. Most recently, Lockerfox was updated on October 27, 2026 and FieldGrade on October 19, 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.*