Comparison

GB Grid Converter vs Memory

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

Head to head
About

GB Grid Converter

This app converts British National Grid References to Latitude/Longitude coordinates and vice-versa. It supports both OSGB36 and WGS84 datums. You can view converted coordinates in Maps, send them to other apps, or copy them to your clipboard.

Highlights
  • Convert British National Grid to Lat/Long
  • Convert Lat/Long to British National Grid
  • Supports OSGB36 and WGS84
  • View coordinates in Maps app
  • Send coordinates to other apps
  • Copy coordinates to clipboard
  • Fuzzy parsing for input
Features
Read full description

Easily convert between British National Grid References (OS Grid Refs) and Latitude, Longitude coordinates (both OSGB36 and WGS84 are supplied). Then, easily view the converted coordinate in the Maps app, or send it to GPS Log (our app for recording your travels). Or copy to the clipboard using the standard iPhone functions. Fuzzy parsing logic allows you to input coordinates in a variety of ways, like "TQ 30267 76930", and "TQ302769". If you have any problems using this software, please contact us by email: support-at-gpslog.com so we can work with you to solve the problem. Issues left as reviews are difficult to address.

About

Memory

Navigate anywhere with offline maps and GPS. Access a vast library of global maps, plan routes, and track your journey without a mobile data connection. Sync data across devices for seamless planning and navigation.

Highlights
  • Offline GPS navigation
  • Downloadable global maps
  • Route planning and editing
  • 3D World map view
  • Interactive terrain elevation profiles
  • Cloud sync across devices
  • GPX file import/export
Read full description

Download maps for Offline GPS Navigation. No mobile data connection required. Your favorite maps and charts from OS, Hema, NOAA, and many more. Immersive 3D World map view Fully customizable map, data display and toolbar buttons. Powerful overlay data management, using nested categories and GPX files Backup and load maps from thumb drive. Use the same maps and sync your overlay data to other mobile devices and desktop computers Interactive Route Profile showing terrain elevation Track Altitude and Speed profile graphs Show terrain ascent, descent, max elevation and estimated time for planned route The Memory-Map for All app turns your phone or tablet into a full-featured Outdoor GPS or Marine Chart Plotter, and allows you to navigate with USGS Topo maps, NOAA Marine charts, and many other specialist maps, without needing a mobile internet signal. Maps are downloaded on-the-fly and can be pre-loaded in bulk, so they are ready to be used offline. Once the app and maps are loaded to the phone or tablet, cellular network coverage or internet connection is not required for real time GPS navigation. The Memory-Map for All app can be used as a standalone GPS navigator, but it can also be used in conjunction with the Windows PC or Mac app (free download) for planning, printing and loading up maps, waypoints and routes to the phone/tablet. Memory-Map for All includes free access to 1:250,000 scale topographic maps and many other free maps around the world. More detailed maps are available for download and purchase with a free try-before-you-buy, time-limited demo option. Available maps include Ordnance Survey, Hema, USGS quads, NOAA, UKHO, and DeLorme. Maps can be used on your PC as well as your phone and tablet. The Cloud Sync feature allows you to keep the overlay data consistent on all your devices. Features include: Access a vast range of Worldwide maps and charts. Automatically downloads a free map of your current location Create and edit marks and routes. Import and export marks, routes and tracks in the open GPX format Interactive graphs of terrain elevation, GPS Altitude and Speed profile Display; Position, Course, Speed, Heading, Altitude and averages Position coordinates include Lat/Long, UTM, GB Grid, Irish Grid, Military Grid. Units displayed in Statute, Nautical or Metric, with separate unit setting for Height Support for GPS and Compass sensors, where available. Placename search index can be used offline. Moving map, lock GPS position and automatically scroll the map Records breadcrumb trail / tracklogs. Share position marks, routes and tracklogs as GPX files Full marine instrumentation features, with AIS, DSC and Anchor alarm NMEA data interface via WiFi for marine instruments Barometer & relative altitude Import custom icons for POI Alarms for mark proximity, Anchor, Geofence or Exclusion zone, Crostrack error

Screenshots

GB Grid Converter2 screens
Memory4 screens

Verdict

The call

The clearest difference is in-app purchases: Memory at none against GB Grid Converter's 1. Memory also leads on ratings volume (10 vs 1) and iOS requirement (14.0 vs 16.6). On price, rating, review sentiment and update cadence 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. GB Grid Converter sells 1 one-off in-app purchase. Memory asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 5.0 for GB Grid Converter against 4.9 for Memory. That said, the two scores are not equally well evidenced: Memory has 10 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 76% of GB Grid Converter's written reviews are positive against 80% of Memory's.

UpkeepUpdate frequency

GB Grid Converter ships an update every 2 months, Memory every 3 months. The most recent releases landed on September 14, 2026 and September 22, 2026 respectively.

Scorecard3 real differences · 7 level
GB Grid Converter versus Memory: the parameters behind the verdict, then further details
ParameterGB Grid ConverterMemory
PriceFreeFree
Rating5.0 (1 ratings) — better4.9 (10 ratings)
Positive reviews75.9% of reviews80.2% of reviews — better
Number of ratings110 — better
Update frequencyEvery 2 months — betterEvery 3 months
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.614.0 — better
Further details — not scored
Size10 MB42 MB
Age rating4+4+
DeveloperGeospike Pty LtdMemory-Map

Customer experience

GB Grid Converter

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews54 reviews
Positive75.9%
Neutral7.4%
Negative16.7%

Memory

All ratings10 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews111 reviews
Positive80.2%
Neutral12.6%
Negative7.2%

Bugs and requests

GB Grid Converter

Not enough reviews yet to summarise bugs or requests.

Memory

Reported bugs

10 issues
  • App won't close properly with swipe-up gesture on iPhone
  • Startup error message about improper closure
  • Maps fail to download on new devices
  • GPS location not detected on iPad despite enabled settings
  • App switching gesture interferes with map centering
Show 5 more
  • Dynamic Island doesn't show navigation instructions
  • Zoom limits restrict detailed trail viewing
  • Auto map change on zoom behaves unexpectedly
  • Help function is inadequate/useless
  • Cut-and-paste doesn't work on Mac desktop application

Requested features

14 requests
  • Apple CarPlay support
  • Map auto-rotation to direction of travel
  • More custom waypoint icons (food drop, water source, campsite, etc.)
  • Better route optimization with more waypoints
  • Map orientation options (North-up vs. route-up)
Show 9 more
  • Postcode and OS grid reference search
  • Location beacon within software
  • More detailed maps for Australian regions (SA, NT)
  • Foreign/European map availability
  • Historical map access
  • Font size control for map labels
  • Bulk waypoint customization on import
  • Course heading-up feature
  • Built-in POI overlay list

In-app purchases

1 purchases

GB Grid Converter

One-time1
  • GB Grid Converter Premium$10.00
None

Memory

No in-app purchases

Questions

Is GB Grid Converter free?
GB Grid Converter is free to download, with in-app purchases available.
Is Memory free?
Memory is free to download, with no in-app purchases.
Which has better reviews, GB Grid Converter or Memory?
GB Grid Converter is rated higher. GB Grid Converter averages 5.0 out of 5 from 1 ratings, while Memory averages 4.9 from 10 ratings.
Do GB Grid Converter or Memory have ads?
Neither GB Grid Converter nor Memory shows ads.
Which is updated more often, GB Grid Converter or Memory?
GB Grid Converter ships an update every 2 months, and Memory every 3 months. Most recently, GB Grid Converter was updated on September 14, 2026 and Memory on September 22, 2026.

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