# InstantMarkets vs Shield Low Voltage

The clearest difference is rating: Shield Low Voltage at 5.0 against InstantMarkets's 3.7. Shield Low Voltage also leads on update cadence (weekly vs every 2 months). InstantMarkets's advantage is ratings volume (11 vs 3) and iOS requirement (15.0 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Shield Low Voltage holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 11 and 3 respectively.

InstantMarkets ships an update every 2 months, Shield Low Voltage weekly. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | InstantMarkets | Shield Low Voltage |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/instantmarkets/id1369363159/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/shield-low-voltage/id6761158805/reviews)** |
| Number of ratings | **11** | 3 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | Free |
| Size | 37 MB | 53 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Instant Systems, Inc.](https://appshunter.io/developer/1070012604) | [Kyle Ballard](https://appshunter.io/developer/1884074319) |

## What reviewers say

### InstantMarkets

[App page](https://appshunter.io/ios/app/instantmarkets/id1369363159)

Discover new business opportunities, including RFPs and contracts, that match your products and services. Monitor public sector customers, understand their needs, and gain insights to strategize and increase your chances of winning bids. Access a vast database of procurement transactions from thousands of agencies.

**Highlights:** Discover new business opportunities, Access RFPs, RFQs, and contracts, Monitor public sector customers, Analyze competitor strategies, Receive new opportunity alerts, Search thousands of agencies

**Features:** macOS Compatibility

**In-app purchases:** none


### Shield Low Voltage

[App page](https://appshunter.io/ios/app/shield-low-voltage/id6761158805)

This comprehensive platform streamlines field service, customer management, sales, and business operations. It unifies disconnected software into a single experience, empowering teams to deliver exceptional customer service and gain operational visibility.

**Highlights:** Field service management, Customer relationship management (CRM), Field sales and prospecting tools, Builder and construction management, Integrated accounting, Real-time job tracking, Automated customer notifications

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is InstantMarkets free?

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

### Is Shield Low Voltage free?

Shield Low Voltage is free to download, with no in-app purchases.

### Which has better reviews, InstantMarkets or Shield Low Voltage?

Shield Low Voltage is rated higher. InstantMarkets averages 3.7 out of 5 from 11 ratings, while Shield Low Voltage averages 5.0 from 3 ratings.

### Do InstantMarkets or Shield Low Voltage have ads?

Neither InstantMarkets nor Shield Low Voltage shows ads.

### Which is updated more often, InstantMarkets or Shield Low Voltage?

InstantMarkets ships an update every 2 months, and Shield Low Voltage weekly. Most recently, InstantMarkets was updated on October 10, 2026 and Shield Low Voltage on October 13, 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.*