Comparison

Private Kit vs Gas Volumeter

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

Head to head
About

Private Kit

This app allows you to log your GPS trails directly on your phone. All data is stored locally and remains private until you choose to export it. It efficiently stores location history with minimal space usage.

Highlights
  • Privacy-first location logging
  • Local data storage
  • Manual data export
  • Efficient data storage
  • Location import/export
Features
Read full description

PrivateKit MIT is a ‘privacy-first’ app that allows you to log your GPS trails on your own phone. The information is stored locally and never shared with anyone (not even with us or MIT) until you explicitly decide to manually export the data. The location log generated by Private Kit cannot be accessed from outside the user’s device. Location information can be imported and exported by the user and used in other projects and applications. Private Kit’s trail generator logs your device’s location once every five minutes and stores 28 days of data in under 100KB of space – less space than a single picture. But what is truly exciting about Private Kit is its privacy protection. The app needs access to your location and motion tracking sensors to work.

About

Gas Volumeter

Features
Read full description

Get up-to-date gas storage levels across Europe and track your country's reserves in real time. With the ongoing energy situation in Europe, knowing how full gas storage facilities are has never been more important. This app gives you direct access to official European gas storage data — updated daily — so you always know where things stand. FEATURES - Current fill levels for all EU and EEA countries at a glance - Historical data going back 1 month, 3 months, 1 year, or up to 5 years - Interactive chart with touch tooltips showing exact fill percentage and date - Compare two countries side by side in overlay or stacked view - Drill down from regional overview to individual storage facilities - Trend indicators showing whether storage is filling or draining - Daily data updates from the official GIE AGSI transparency platform Whether you follow energy markets, work in the energy sector, or simply want to know how prepared Europe is for the next winter — this app gives you the numbers, straight from the source. Data is sourced from Gas Infrastructure Europe (GIE) via the official AGSI transparency platform, the same data used by energy analysts, governments, and market participants across Europe.

Screenshots

Private Kit3 screens
Gas Volumeter3 screens

Verdict

The call

The clearest difference is in-app purchases: Private Kit at none against Gas Volumeter's 1. Private Kit also leads on update cadence (every 4 days vs every 2 months) and iOS requirement (9.0 vs 13.0). On price, ads 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. Gas Volumeter sells 1 one-off in-app purchase. Private Kit asks for nothing beyond the download.

UpkeepUpdate frequency

Private Kit ships an update every 4 days, Gas Volumeter every 2 months. Both last shipped on October 25, 2026.

Scorecard3 real differences · 7 level
Private Kit versus Gas Volumeter: the parameters behind the verdict, then further details
ParameterPrivate KitGas Volumeter
PriceFreeFree
Rating3.7 (121 ratings) — better—
Positive reviews32.2% of reviews—
Number of ratings121 — better—
Update frequencyEvery 4 days — betterEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS9.0 — better13.0
Further details — not scored
Size32 MB25 MB
Age rating4+4+
DeveloperMassachusetts Institute of TechnologyInnervate

Bugs and requests

Private Kit

Reported bugs

29 issues
  • App crashes when trying to view movements on map
  • Map crashes/closes app before loading
  • App crashes when trying to open map
  • App crashes when trying to view overlaps
  • Map shows zoomed out view and crashes
Show 24 more
  • App crashes when visualizing data streams
  • App doesn't show location
  • App doesn't log trips consistently
  • Map doesn't update routes
  • Import/Export/News icons are hidden or inaccessible
  • Three vertical dots (menu) are off-screen
  • GUI displays incorrectly on smaller screens
  • News button does not work
  • Import button shows 'Rolling out soon'
  • Export button text is cut off
  • Description box covers half the screen
  • Latest update broken for some users
  • Latest update forgot previous weeks log
  • Update from two days ago prevents tapping start logging button
  • GPS data not accurate, shows incorrect locations
  • Map overlay shows incorrect wandering
  • Cannot access three buttons (import, export, news) due to screen size
  • The 'for more information' box hides import/export/news buttons
  • Location logging clusters locations in one spot
  • Location data placed at locations never visited
  • Map is zoomed out by default
  • Cannot get import/export/news icons
  • Cannot access three vertical dots upper right hand corner
  • App not optimized for iPhone SE screen size

Requested features

16 requests
  • Better howto and help information
  • More rigorous and robust app development
  • Simple notebook feature for user contacts
  • Clearer explanation of map features (green targets, red pins)
  • Option to add locations when without phone
Show 11 more
  • Explanation of what a 'Hit' looks like
  • Make data-sharing opt-out instead of opt-in
  • Consider implementation on existing platforms like Facebook
  • Explanation for the number in the circle on the map
  • How to input a positive test result
  • Default map view should be zoomed to data limits
  • Make GUI elements fully accessible on smaller screens
  • Explanation of import/export/news buttons
  • More detailed documentation for data import/export
  • Option to add manual entries for contacts
  • Clearer explanation of data sources and trusted authorities

Gas Volumeter

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Private Kit

No in-app purchases

1 purchases

Gas Volumeter

One-time1
  • Remove Ads$0.99

Questions

Is Private Kit free?
Private Kit is free to download, with no in-app purchases.
Is Gas Volumeter free?
Gas Volumeter is free to download, with in-app purchases available.
Do Private Kit or Gas Volumeter have ads?
Neither Private Kit nor Gas Volumeter shows ads.
Which is updated more often, Private Kit or Gas Volumeter?
Private Kit ships an update every 4 days, and Gas Volumeter every 2 months. Most recently, Private Kit was updated on October 25, 2026 and Gas Volumeter on October 25, 2026.

Other comparisons