# Seismoviewer vs Elapsed Time Adder

The clearest difference is rating: Elapsed Time Adder at 5.0 against Seismoviewer's 4.0. Elapsed Time Adder also leads on device support (3 vs 1). On price, review sentiment, ratings volume and ads there is nothing between them.

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

Elapsed Time Adder holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 3 and 2 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

## The numbers

| Metric | Seismoviewer | Elapsed Time Adder |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (3 ratings)](https://appshunter.io/ios/app/seismoviewer/id6758437882/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/elapsed-time-adder/id6766396058/reviews)** |
| Number of ratings | **3** | 2 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 9 MB |
| Requires iOS | **17.6** | 18.6 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [HyeongRae Jo](https://appshunter.io/developer/1872940735) | [Allison Sheridan](https://appshunter.io/developer/1896284405) |

## What reviewers say

### Seismoviewer

[App page](https://appshunter.io/ios/app/seismoviewer/id6758437882)

This tool helps you monitor and analyze everyday vibrations from various sources like appliances, footsteps, or industrial equipment. It displays vibration magnitude, trends, and characteristics using your smartphone's accelerometer. All data processing is done locally on your device.

**Highlights:** Identify and analyze everyday vibrations, Monitor vibration magnitude, trends, and characteristics, Utilizes smartphone accelerometer, Local data processing on device, Suitable for household, industrial, and lab environments

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

**In-app purchases:** none


### Elapsed Time Adder

[App page](https://appshunter.io/ios/app/elapsed-time-adder/id6766396058)

Easily add and subtract elapsed time for various projects. Handles time segments in audio, video, or personal projects, displaying totals in a clear, plain-language format. Export your calculations to CSV or HH:MM:SS format.

**Highlights:** Add and subtract elapsed time, Handles time segments, Plain-language total display, Export to CSV, Export to HH:MM:SS format, On-device data storage

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Seismoviewer free?

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

### Is Elapsed Time Adder free?

Elapsed Time Adder is free to download, with no in-app purchases.

### Which has better reviews, Seismoviewer or Elapsed Time Adder?

Elapsed Time Adder is rated higher. Seismoviewer averages 4.0 out of 5 from 3 ratings, while Elapsed Time Adder averages 5.0 from 2 ratings.

### Do Seismoviewer or Elapsed Time Adder have ads?

Neither Seismoviewer nor Elapsed Time Adder shows ads.

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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.*