Comparison

GMS vs Maps Ruler

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

Head to head
About

GMS

Features
Read full description

Hệ thống giám sát tập trung: - Giám sát nhà trạm, kho vật tư, kho bảo quản, kho thuốc và các loại giám sát khác - Giám sát các thông số gồm: Phát hiện, cảnh báo, môi trường, nguồn điện ... - Điều khiển gồm: Điều hòa, đèn, quạt, báo động ... - Cảnh báo người dùng các điều kiện vượt ngưỡng.

About

Maps Ruler

Features
Read full description

Maps Ruler is a practical map measurement tool for distance, area, perimeter, circles, and route planning. MEASURE ON ANY VISIBLE MAP • Measure distance with two or more points • Calculate area and perimeter with three or more points • Draw a circle by setting its center and radius • Tap points or draw continuously to trace paths, boundaries, fields, plots, properties, and custom shapes • Edit points, inspect segment distances, and use undo or redo while you work LOCATION SUPPORT • Find your current position on the map • Measure places on the map without being physically there SAVE AND ORGANIZE YOUR WORK • Save, name, reopen, and update measurements • Review recent sessions and saved records • Switch between normal, satellite, and terrain map views • Search for places and addresses • Choose metric, imperial, or nautical units, including meters, kilometers, miles, yards, feet, hectares, acres, and more SHARE AND EXPORT Export map data in KML, KMZ, GeoJSON, or GPX formats for compatible map, GIS, Google Earth, and GPS apps. Back up and restore saved records when you need to transfer them. USE MAPS RULER FOR • Fields, farms, orchards, pastures, gardens, and plots • Property boundaries, fence lines, and perimeters • Walking, running, hiking, cycling, swimming, and boating routes • Golf holes, fairways, and target distances • Preliminary planning for landscaping, construction, roofs, solar layouts, and site work • Ponds, lakes, reservoirs, and coastlines • Roads, access routes, paths, and other custom shapes MAPS RULER PRO Upgrade for an ad-free experience, unlimited saved measurements, circle and precision tools, professional GIS export, and backup and restore. Monthly and yearly options are available. Prices and trial availability may vary by region. Maps Ruler does not require an account. Saved measurements and preferences remain on your device unless you choose to export or share them. Map results depend on map data, zoom level, and point placement. Current-location accuracy depends on the GPS signal. Maps Ruler is intended for practical map-based measurements and preliminary estimates. For legal boundaries or professional surveying, use certified survey data and equipment. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

GMS4 screens
Maps Ruler4 screens

Verdict

The call

The clearest difference is in-app purchases: GMS at none against Maps Ruler's 2. GMS also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). Maps Ruler's advantage is update cadence (every 5 days vs every 2 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. Maps Ruler sells 2 in-app purchases, starting at $4.99 per month. GMS asks for nothing beyond the download.

UpkeepUpdate frequency

GMS ships an update every 2 months, Maps Ruler every 5 days. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

Scorecard4 real differences · 2 level
GMS versus Maps Ruler: the parameters behind the verdict, then further details
ParameterGMSMaps Ruler
PriceFreeFree
Update frequencyEvery 2 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size38 MB50 MB
Age rating4+4+
DeveloperSon NguyenMobileRise

In-app purchases

None

GMS

No in-app purchases

2 purchases

Maps Ruler

Subscriptions2
  • Maps Ruler Pro Monthly7 Days trial$4.991 Month
  • Maps Ruler Pro Yearly7 Days trial$24.991 Year

Questions

Is GMS free?
GMS is free to download, with no in-app purchases.
Is Maps Ruler free?
Maps Ruler is free to download, with in-app purchases available.
Do GMS or Maps Ruler have ads?
Maps Ruler shows ads; GMS does not.
Which is updated more often, GMS or Maps Ruler?
GMS ships an update every 2 months, and Maps Ruler every 5 days. Most recently, GMS was updated on October 21, 2026 and Maps Ruler on October 9, 2026.

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