Comparison

Keysight Meter Logger vs Space DOT

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Keysight Meter Logger

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
Read full description

Keysight Meter Logger for iPhone and iPad improves your productivity and safety by allowing you to stream measurements in real time from up to 3 Keysight handheld digital multimeters and clamp meters wirelessly: - Real time streaming of measurement data via Bluetooth - View your continuous and manually logged data in tabular or graphical format - View Min/Max/Average calculation - Retrieve and view previously recorded data - Share recorded data in .csv and .pdf format via multiple platforms (Email, Dropbox, etc.) - Measurement voice-out capability Tips: To establish Bluetooth connection, enter PIN: 1234 to pair with Keysight U1117A Bluetooth Adapter (sold separately). Note: Keysight Meter Logger is optimized for iPhone 5 and newer versions of iPhone and iPad. Supports the following Keysight instruments: U1231A, U1232A, U1233A, U1241B, U1242B, U1241C, U1242C, U1251B, U1252B, U1253B, U1271A, U1272A, U1273A, U1273AX, U1281A, U1282A

About

Space DOT

Features
Read full description

Space DOT 3.0 Features: - Templates for both DOT and Mermaid (Basic templates included. Additional templates can be purchased as in-app purchases.) - Code persistence: Switching between the code editor and the code generator will no longer wipe out your written code. - Layout adjustments: You can now choose for the code editor to appear on the top or bottom (iPhone & iPad), left or right (iPad only), full screen, or to be hidden. - You no longer have to generate code before tapping the render button. You can now simply tap the render button and it will first generate your code automatically. - The code generator tool now features a more compact layout, making it easier to enter information for multiple nodes. - Space DOT now outputs larger image files. Unleash the Power of Graphviz and Mermaid on Your iPhone and iPad. Space DOT version 3 transforms your mobile device into a powerful, professional-grade environment for creating and visualizing directed and undirected graphs using the industry-standard DOT and Mermaid languages. Perfect for engineers, data scientists, architects, and students, Space DOT is the ultimate tool for turning code into clear, elegant diagrams, all powered by an offline, high-performance WebAssembly engine. Offline Code Editor & Real-Time Preview Pure graphing Power: Write or paste your DOT or Mermaid language code in a distraction-free text editor. Instant Visualization: See your graph render in real-time. Hit "Render" to instantly generate high-quality SVG/PNG diagrams. High-Fidelity Rendering: Powered by an embedded, offline rendering engine engine, ensuring professional-grade layouts and accuracy. Interactive & Intelligent Graph Analysis Tap-to-Zoom: Tap any node in the rendered graph to instantly "zoom" into a neighborhood view, highlighting only its immediate neighbors and their connecting edges. This critical feature allows for fast, focused analysis of complex structures without re-rendering the entire graph. Fluid Gestures: Enjoy native iOS support for pinch-to-zoom and pan gestures on the graph preview. Automatic background saving ensures your DOT and Mermaid source files are always up to date. Import/Export: Easily import existing .dot or .gv files from the iOS file system. Share Anywhere: Export your finished graphs as crisp SVG or high-resolution PNG files directly to your preferred sharing service. Reference Dictionaries: Built-in, responsive, searchable libraries of DOT and Mermaid syntax, automatically switching, depending on which graphing language is selected. Code Generator Mode: Switch from the code editor to a user-friendly, form-based interface for DOT. Create nodes, edges, and attributes without writing a single line of code—Space DOT generates the DOT source for you. If you're not familiar with nodes and edges, you can now choose from a selection of templates for a variety of different graphing needs! Write the code. See the system. Whether you're mapping out network topology, sketching a system architecture, or studying algorithms, Space DOT provides the speed, reliability, and features you need to master graph visualization on the go.

Screenshots

Keysight Meter Logger4 screens
Space DOT4 screens

Verdict

The call

The clearest difference is in-app purchases: Keysight Meter Logger at none against Space DOT's 6. Keysight Meter Logger also leads on ads (none vs shown) and iOS requirement (7.0 vs 16.2). Space DOT's advantage is update cadence (every 9 days vs every 18 months). On price and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Space DOT sells 6 one-off in-app purchases. Keysight Meter Logger asks for nothing beyond the download.

UpkeepUpdate frequency

Keysight Meter Logger ships an update every 18 months, Space DOT every 9 days. The most recent releases landed on October 8, 2026 and September 29, 2026 respectively.

Scorecard4 real differences · 6 level
Keysight Meter Logger versus Space DOT: the parameters behind the verdict, then further details
ParameterKeysight Meter LoggerSpace DOT
PriceFreeFree
Rating3.0 (2 ratings) — better—
Positive reviews0.0% of reviews—
Number of ratings2 — better—
Update frequencyEvery 18 monthsEvery 9 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS7.0 — better16.2
Further details — not scored
Size47 MB16 MB
Age rating4+4+
DeveloperKeysight Technologies, Inc.Space Japan Studios

In-app purchases

None

Keysight Meter Logger

No in-app purchases

6 purchases

Space DOT

One-time6
  • Remove Ads$0.99
  • Technology Templates (Space DOT)$1.99
  • Creativity Templates (Space DOT)$1.99
Show 3 more
  • Business Templates (Space DOT)$1.99
  • Duo-Pack$2.99
  • Professional Suite (Space DOT)$2.99

Questions

Is Keysight Meter Logger free?
Keysight Meter Logger is free to download, with no in-app purchases.
Is Space DOT free?
Space DOT is free to download, with in-app purchases available.
Do Keysight Meter Logger or Space DOT have ads?
Space DOT shows ads; Keysight Meter Logger does not.
Which is updated more often, Keysight Meter Logger or Space DOT?
Keysight Meter Logger ships an update every 18 months, and Space DOT every 9 days. Most recently, Keysight Meter Logger was updated on October 8, 2026 and Space DOT on September 29, 2026.

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