# ServoSaver vs Detector Maps

The clearest difference is review sentiment: Detector Maps at 73% against ServoSaver's 0%. Detector Maps also leads on update cadence (every 6 days vs every 2 months) and chart position (#131 vs unranked). ServoSaver's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Detector Maps sells 4 in-app purchases, starting at $7.99 per month. ServoSaver asks for nothing beyond the download.

ServoSaver ships an update every 2 months, Detector Maps every 6 days. The most recent releases landed on October 13, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ServoSaver | Detector Maps |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.7 (254 ratings)](https://appshunter.io/ios/app/detector-maps/id6741421159/reviews)** |
| Number of ratings | — | **254** |
| Positive reviews | 0.0% of reviews | **73.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | **Free** | Subscription |
| Best chart rank | — | **#131** |
| Size | 31 MB | 115 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Daniel Ngo](https://appshunter.io/developer/1504032763) | [GOLD DISCOVERY SOLUTIONS PTY LTD](https://appshunter.io/developer/1788016705) |

## What reviewers say

### ServoSaver

[App page](https://appshunter.io/ios/app/servosaver/id1542311963)

Find the cheapest fuel prices nearby and track your vehicle's fuel economy. Get live, updated prices, filter by location and fuel type, and calculate trip costs. Compete with other drivers on a leaderboard to see how efficiently you're driving.

**Highlights:** Live, updating fuel prices, Location distance filtering, Fuel type filtering, Cost per kilometer calculation, Fuel-up history, Directions via Google Maps, Fuel efficiency leaderboard

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

**In-app purchases:** none


### Detector Maps

[App page](https://appshunter.io/ios/app/detector-maps/id6741421159)

**Currently charting:** #131 Top Grossing · Navigation (US App Store)

This app provides advanced geological data and GPS tools for gold prospecting in Australia, the US, and New Zealand. It offers offline map access, breadcrumb tracking, and waypoint marking to help users explore efficiently and locate potential gold-bearing areas.

**Highlights:** Advanced geological and gold-focused data, Offline map and data layer downloads, Breadcrumb trail tracking (background GPS), Waypoint marking with field notes, Real-time GPS navigation, Historic gold mines and workings layers

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Explorer Plan | $7.99 | per month |
| Monthly Plan | $11.99 | per month |
| Yearly Explorer Plan | $59.99 | per year |
| Yearly Plan | $99.99 | per year |

**What reviewers like**

- 🚀 Good maps
- 👍 Extremely handy
- 👍 Helpful information
- 👍 Excellent app
- 👍 Fantastic app

**What reviewers complain about**

- 🐛 Missing areas
- 🐛 Discrepancies in data
- 🐛 LiDAR not working
- 🔒 Subscription issues

**Reported bugs**

- Issues with subscription and login
- LiDAR not working in certain areas

**Requested features**

- Expand coverage to more areas
- Improve data accuracy and consistency


## Frequently asked questions

### Is ServoSaver free?

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

### Is Detector Maps free?

Detector Maps is free to download, with in-app purchases available.

### Do ServoSaver or Detector Maps have ads?

Detector Maps shows ads; ServoSaver does not.

### Which is updated more often, ServoSaver or Detector Maps?

ServoSaver ships an update every 2 months, and Detector Maps every 6 days. Most recently, ServoSaver was updated on October 13, 2026 and Detector Maps on October 12, 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.*