AFAIK the City Navigator version is behind the RG and even probably the OSM since it's still in its new stage. Although this was the last time I checked things may have changed so don't take my word for it but even if it does have street numbers the other local maps are more readily with data and street names which probably defeats the purpose using CN if it doesn't have alot of street names or data mapped out. Maybe someone can chime in with more recent experience of PH the CN maps.
As I said before try to find a landmark, the place you mentioned Anson's is available in roadguide via POI (point of interest > spell) it shows up on ADB. The rg map AFAIK is the most detailed and up to date. Use POI or landmarks whenever you have trouble finding a place it's the next best thing and beats having nothing by a million miles. Almost every condo or many condos are already mapped out so If i need to search a condo I do so by POI, same with many subdivisions, malls and everything else. When you need a street number best to use POI to find the closest or actual thing and pick a landmark or building/bank/jollibees/mcdonalds whatever is closest to itI use POI way more than I use streetname, or I use streetname and then search nearby POI for the closest landmark I need to find nearest to the street number.
FYI Most commercial maps overseas have plenty of data available made from many years. E.G. GPS in the US and some EU countries is not new, and was available in the 90s.
The Philippines and google maps Philippines were only a few years in the making. As you can see this is a huge time difference from all that data that was collected not to mention several commercial companies vested. GPS in the PH is basically unheard of, ask maybe 20 people and only maybe a handful will know what you're even talking about and then even then maybe only 1 or 2 at the most own one (though thankfully iphone and other smart phones capable of using google maps have helped though usually limited to googlemaps without routing/turn-by-turn directions) compare this to overseas in the US where its common people either have it in their car, have a unit, or on the smart Phone.
Even the local vehicles sold here that have GPS unit built in overseas are ripped out here with most Pinoys not even knowing the same car overseas had it built-in the first place. Safe to say it's not widely available and in demand here compared to overseas, we have a LONG way to catch up but at least we are getting there and have gotten a massive amount of data collected these past few years thankfully collected by the local community which in much credit to them, has got us this far... without them we'd probably still be in the stone age with only incomplete parts of manila mapped out at the most. Google maps has been a big help too as a supplement to our nav here. The less demand for GPS in the PH is the reason were still behind, until it becomes mainstream many companies won't invest as much time or money into mapping and updating the PH compared to other countries where it's much more in demand and cost effective/profit margins, etc, so even though PH maps are commercially available we can't compare them to other commercial maps from overseas at this current time. Community maps for PH are the way to go with constant updates which many hundreds of locals mapping and contributing waypoints/poi, in their own free time.
Papago is actually older versions of the RG map that was sold commercially exclusive to this company. Only reason I'd use papago is if I didn't have my garmin unit and used my iphone as a backup/alternative. RG and OSM are the most popular because its compatible with GARMIN units, very easy to update on the fly and is the most detailed thats why everyone talks about RG for the most part and it's alternative OSM which is easier to get.
Not sure about those other brands but the reason RG is the most talked about for the reasons I mentioned. Most people won't really talk about the other maps until they catch up or get near the level of RG and then OSM.
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