# logSPL vs E

The clearest difference is price: logSPL at $1.99 against E's $14.99. logSPL also leads on iOS requirement (15.2 vs 26.0). E's advantage is update cadence (every 2 days vs every 4 months). On rating, review sentiment, ratings volume and ads there is nothing between them.

logSPL costs $1.99 and E $14.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for logSPL against 5.0 for E. Both are backed by a comparable volume of ratings — 1 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

logSPL ships an update every 4 months, E every 2 days. The most recent releases landed on September 6, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | logSPL | E |
| --- | --- | --- |
| Price | **$1.99** | $14.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/logspl/id491999427/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/e-calc-usa/id6502258186/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Paid | Paid |
| Size | 1 MB | 52 MB |
| Requires iOS | **15.2** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Fabien Lefebvre](https://appshunter.io/developer/338004167) | [Snappy Appz Inc.](https://appshunter.io/developer/375591377) |

## What reviewers say

### logSPL

[App page](https://appshunter.io/ios/app/logspl/id491999427)

This app functions as a sophisticated sound level meter, offering both basic and advanced features for measuring noise. It allows users to adjust update rates, select weighting types, and view historical data and real-time histograms. Calibration is recommended for optimal accuracy.

**Highlights:** Sound level measurement, Adjustable update rates (fast/slow), Weighting options (A, C, Z), Min/max value monitoring, Average value computation (Leq), Historical curve with grid, Real-time histogram, Dosemetering capabilities

**Features:** Vision Pro support

**In-app purchases:** none


### E

[App page](https://appshunter.io/ios/app/e-calc-usa/id6502258186)

This app provides electricians and engineers with instant, code-compliant calculations for wire sizing, conduit capacities, fusing, and bonding based on the 2026 National Electrical Code. It offers advanced tools for motors, transformers, voltage drop, and box fill, along with on-site utilities like panel legends and torque settings.

**Highlights:** NEC 2026 compliant calculations, Wire sizing and ampacity, Conduit fill and expansion, Motor and transformer calculations, Voltage drop and box fill, Panel legends and torque settings, Integrated unit converter and Ohm's Law

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

**In-app purchases:** none


## Frequently asked questions

### Is logSPL free?

logSPL costs $1.99, with no in-app purchases.

### Is E free?

E costs $14.99, with no in-app purchases.

### Which has better reviews, logSPL or E?

logSPL and E are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do logSPL or E have ads?

Neither logSPL nor E shows ads.

### Which is updated more often, logSPL or E?

logSPL ships an update every 4 months, and E every 2 days. Most recently, logSPL was updated on September 6, 2026 and E on September 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.*