# Keysight Meter Logger vs Lightcraft Spark

The clearest difference is review sentiment: Lightcraft Spark at 100% against Keysight Meter Logger's 0%. Lightcraft Spark also leads on rating (5.0 vs 3.0) and update cadence (every 9 days vs every 18 months). Keysight Meter Logger's advantage is iOS requirement (7.0 vs 18.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

Lightcraft Spark holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews point the same way: 0% of Keysight Meter Logger's written reviews are positive against 100% of Lightcraft Spark's.

Keysight Meter Logger ships an update every 18 months, Lightcraft Spark every 9 days. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Keysight Meter Logger | Lightcraft Spark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/keysight-meter-logger/id1060698173/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/lightcraft-spark/id6761484818/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 18 months | **Every 9 days** |
| Monetization | Free | Free |
| Size | 47 MB | 95 MB |
| Requires iOS | **7.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keysight Technologies, Inc.](https://appshunter.io/developer/903911491) | [Lightcraft Technology, Inc.](https://appshunter.io/developer/1528805200) |

## What reviewers say

### Keysight Meter Logger

[App page](https://appshunter.io/ios/app/keysight-meter-logger/id1060698173)

Stream real-time measurements from compatible digital multimeters and clamp meters wirelessly. View logged data in tables or graphs, calculate Min/Max/Average, and share recordings in CSV or PDF formats. Features measurement voice-out for enhanced productivity and safety.

**Highlights:** Real-time measurement streaming via Bluetooth, Tabular and graphical data viewing, Min/Max/Average calculations, Retrieve and view recorded data, Share data in .csv and .pdf formats, Measurement voice-out capability

**Features:** macOS Compatibility

**In-app purchases:** none


### Lightcraft Spark

[App page](https://appshunter.io/ios/app/lightcraft-spark/id6761484818)

Transform your iPhone into a professional virtual production camera. Track movement, composite live action with 3D backgrounds in real-time, and capture takes directly to your project. Ideal for filmmakers seeking studio-level tools on a mobile device.

**Highlights:** Real-time camera tracking, One-click live compositing, On-device rendering, Capture and sync takes, Import 3D assets, Connect to Spark Story

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Keysight Meter Logger free?

Keysight Meter Logger is free to download, with no in-app purchases.

### Is Lightcraft Spark free?

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

### Which has better reviews, Keysight Meter Logger or Lightcraft Spark?

Lightcraft Spark is rated higher. Keysight Meter Logger averages 3.0 out of 5 from 2 ratings, while Lightcraft Spark averages 5.0 from 1 ratings.

### Do Keysight Meter Logger or Lightcraft Spark have ads?

Neither Keysight Meter Logger nor Lightcraft Spark shows ads.

### Which is updated more often, Keysight Meter Logger or Lightcraft Spark?

Keysight Meter Logger ships an update every 18 months, and Lightcraft Spark every 9 days. Most recently, Keysight Meter Logger was updated on November 2, 2026 and Lightcraft Spark on November 5, 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.*