# Low Frequency Detector vs Solar Agent

The clearest difference is review sentiment: Solar Agent at 100% against Low Frequency Detector's 50%. Solar Agent also leads on update cadence (every 3 weeks vs every 9 months) and price ($3.99 vs $9.99). Low Frequency Detector's advantage is rating (2.8 vs 1.0) and in-app purchases (none vs 1). On ads and monetization model there is nothing between them.

Low Frequency Detector costs $9.99 and Solar Agent $3.99 up front. Solar Agent sells 1 one-off in-app purchase. Low Frequency Detector asks for nothing beyond the download.

Low Frequency Detector holds the better App Store score, 2.8 against 1.0. That said, the two scores are not equally well evidenced: Low Frequency Detector has 6 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 50% of Low Frequency Detector's written reviews are positive against 100% of Solar Agent's, so the app with the better star average is not the one people write more warmly about.

Low Frequency Detector ships an update every 9 months, Solar Agent every 3 weeks. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Low Frequency Detector | Solar Agent |
| --- | --- | --- |
| Price | $9.99 | **$3.99** |
| Rating | **[2.8 (6 ratings)](https://appshunter.io/ios/app/low-frequency-detector/id1196584147/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/solar-agent/id1668388732/reviews) |
| Number of ratings | **6** | 1 |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Monetization | Paid | Paid |
| Size | 1 MB | 107 MB |
| Requires iOS | 26.2 | **11.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [TOON,LLC](https://appshunter.io/developer/633948723) | [drillstars](https://appshunter.io/developer/1653313261) |

## What reviewers say

### Low Frequency Detector

[App page](https://appshunter.io/ios/app/low-frequency-detector/id1196584147)

This tool measures and analyzes low-frequency sounds that are difficult for the human ear to detect. It helps identify potential noise pollution from sources like construction or factories, providing detailed reports on frequency components and sound levels.

**Highlights:** Low-frequency power level measurement (<100Hz), Audible band power level measurement (Leq), 1/3 octave band analysis (OCT), FFT analysis (FFT), Time course graph (TIME), Measurement report generation, Calibration function

**In-app purchases:** none


### Solar Agent

[App page](https://appshunter.io/ios/app/solar-agent/id1668388732)

This app helps you determine the suitability of your property for a solar power system. It analyzes your electricity bill, roof details, and location to provide key figures on potential savings and system costs. You can also receive a customized offer for your solar project.

**Highlights:** Property suitability assessment for solar systems, Long-term savings calculation, Solar system cost and amortization analysis, Customized project offers, Analysis based on electricity bills and roof data

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Fast PV Solar Offer | $4.99 | one-time |


## Frequently asked questions

### Is Low Frequency Detector free?

Low Frequency Detector costs $9.99, with no in-app purchases.

### Is Solar Agent free?

Solar Agent costs $3.99, and also offers in-app purchases.

### Which has better reviews, Low Frequency Detector or Solar Agent?

Low Frequency Detector is rated higher. Low Frequency Detector averages 2.8 out of 5 from 6 ratings, while Solar Agent averages 1.0 from 1 ratings.

### Do Low Frequency Detector or Solar Agent have ads?

Neither Low Frequency Detector nor Solar Agent shows ads.

### Which is updated more often, Low Frequency Detector or Solar Agent?

Low Frequency Detector ships an update every 9 months, and Solar Agent every 3 weeks. Most recently, Low Frequency Detector was updated on October 6, 2026 and Solar Agent on October 7, 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.*