i Sound Level Meter vs GPC
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
i Sound Level Meter
Measure the noise levels around you with this sound meter. Track maximum and minimum decibel values during your measurements. For the most accurate readings, consider using a high-performance noise meter.
- Measures ambient noise levels
- Tracks maximum noise values
- Tracks minimum noise values
- Displays noise measurements
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The noise meter (noise measuring aparatus). There may be an error of measurement for each smart phone. You can measure how much noise around him. You can check the maximum and minimum values to start You noise measurements. It is recommended to use a high-performance noise meter for accurate noise measurement.
GPC
This app helps users find the right oil and lubricant products for their vehicles. It provides recommendations based on specific vehicle information, ensuring optimal performance and maintenance.
- Product recommendations
- Vehicle specific search
- GPC store information
- Oil and lubricant guide
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Penrite Product Recommendation guide for GPC Stores
Screenshots
Verdict
The clearest difference is ads: GPC at none against i Sound Level Meter's shown. GPC also leads on monetization model (free vs ad-supported). i Sound Level Meter's advantage is update cadence (every 2 months vs every 17 months) and review sentiment (22% vs 0%). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
i Sound Level Meter ships an update every 2 months, GPC every 17 months. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.
| Parameter | i Sound Level Meter | GPC |
|---|---|---|
| Price | Free | Free |
| Rating | 4.4 (38 ratings) — better | — |
| Positive reviews | 21.8% of reviews — better | 0.0% of reviews |
| Number of ratings | 38 — better | — |
| Update frequency | Every 2 months — better | Every 17 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 7 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | EONSOFT | Penrite Oil Company |
Customer experience
i Sound Level Meter
GPC
In-app purchases
i Sound Level Meter
No in-app purchases
GPC
No in-app purchases
Questions
Is i Sound Level Meter free?
Is GPC free?
Do i Sound Level Meter or GPC have ads?
Which is updated more often, i Sound Level Meter or GPC?
Other comparisons
