Headed in the right direction
Just needs some tweaks and a couple bug fixes.
Free
About
This utility app assists IT professionals in calculating and comparing data storage needs for big data and SIEM solutions. It converts various data sizes and rates, estimates storage capacity, and helps size log management systems.
✓Data unit conversion
✓Decimal/binary conversion modes
✓Estimate storage capacity
✓Size SIEM solutions
✓Convert message rates
✓Log source list creation
✓Email export of results
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What's New in Logcaliper
3.1.1
October 21, 2026
Measure yours: beside the average message size on the Log tab, a new link to the profiler on logcaliper.app, which reads a sample of your own log in a browser, with nothing uploaded, and gives the bytes per event and the events per second to type in here. Open it here, where its 1.5 MB sample runs, or send the link to the computer that holds your log. An emailed estimate carries the same link. The privacy policy is now a plain page on logcaliper.app that names every event the app sends and what each one carries. To match it, adding a source to your list no longer sends the rate or the event size you set; only the source's name from the catalogue goes. Three new rows under Settings, then About: • A source that is missing: write to me with the product and its event size, and it can go in the next release. • Rate Logcaliper. • logcaliper.app, where the free profiler reads a sample of your own log in the browser, with nothing uploaded, and gives the bytes per event and the events per second to type in here. The rating prompt now appears at most once per version, after an estimate, a share or a copy, and never in your first session, instead of every tenth time the Log tab opened.
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FAQ
What is Logcaliper used for?
Logcaliper is a utility app designed to help IT professionals understand data volumes for big data and SIEM solutions. It converts data sizes and rates, estimates storage capacity, and aids in sizing log management systems.
What devices is Logcaliper available on?
Logcaliper is available for free on iPhones and iPads, requiring iOS 15 or higher.
Does Logcaliper have ads?
No, Logcaliper is ad-free, providing an uninterrupted experience for its users.
How often is Logcaliper updated?
The latest version, 2.6.4, was last updated on February 6, 2026. While specific update frequency isn't detailed, the app has been around since 2010, indicating ongoing development.
Can Logcaliper estimate storage for distributed systems?
Yes, Logcaliper can estimate the size of distributed storage clusters, such as the number of Hadoop nodes required.
What kind of data can Logcaliper convert?
Logcaliper can convert various data sizes (bits and bytes) and message rates per second, hour, day, month, or year.
Does Logcaliper offer different conversion modes?
Yes, Logcaliper allows users to choose between decimal or binary conversion modes for data units.
What is the user rating for Logcaliper?
Logcaliper has a high user rating of 4.8 stars based on 5 ratings, indicating positive user sentiment.
