Comparison

OLLY Car Assistant vs Altimeter Pro

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

Head to head
About

OLLY Car Assistant

Features
Read full description

OLLY Car Assistant is a mobile service for all types of transport, which, using GPS / GPRS and modern cloud technologies, connects cars and smartphones. With OLLY, your car is more secure and comfortable, and life is calm and confident! FEATURES AND SERVICES: - ALARM: Signals on the smartphone from car alarms and sensors (shock, tilt), as well as alerts about engine start, battery status, exit from the geofence; - IMMOBILAZER: Remote engine start blocking - STATISTICS: Mileage and Resource Counters - MONITORING: Permanent control of location, an additional web service from FMS Globus.

About

Altimeter Pro

Measure your current altitude above sea level with precision. It also displays coordinates, speed, and atmospheric pressure, with an aviation-themed mode. Offers comparisons to famous landmarks and a built-in compass.

Highlights
  • Altitude measurement
  • Coordinate and speed display
  • Atmospheric pressure measurement
  • Compass with GPS and magnetic heading
  • Aviation-themed display mode
  • Comparison to landmarks
Features
Read full description

This app has developed with love in Switzerland. No data is collected or shared. Support us with the price of a coffee! Thank you!! Main features: • Display of altitude (above sea level), accuracy (in meters or feet) • No annoying ads • No data is collected or shared • Warning for inaccurate signal Additional features: • Display of coordinates and speed (in km/h or mph) • Aircraft mode display: Altimeter in aviation design (always displayed in feet) • Comparison of the current altitude with known buildings or mountains (Matterhorn, Mount Everest, ...) • Measurement of atmospheric / air pressure (incl. adjusted reading for sea level [QNH]) • Compass with magnetic- and GPS heading Please note: The measurement is conducted via GPS / Galileo / Glonass satellites. The accuracy can be affected by walls, roofs, tall buildings or trees and bad weather. For best results, the measurement should be done outdoors. Because the location of the satellites can take a few moments, the accuracy increases with time.

Screenshots

OLLY Car Assistant1 screens
Altimeter Pro4 screens

Verdict

The call

The clearest difference is price: OLLY Car Assistant at Free against Altimeter Pro's $0.99. OLLY Car Assistant also leads on update cadence (every 3 days vs fortnightly) and iOS requirement (11.0 vs 14.0). On ads, in-app purchases 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

OLLY Car Assistant is free to download; Altimeter Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

OLLY Car Assistant ships an update every 3 days, Altimeter Pro fortnightly. The most recent releases landed on October 7, 2026 and October 14, 2026 respectively.

Scorecard3 real differences · 7 level
OLLY Car Assistant versus Altimeter Pro: the parameters behind the verdict, then further details
ParameterOLLY Car AssistantAltimeter Pro
PriceFree — better$0.99
Rating—4.7 (9 ratings) — better
Positive reviews—80.0% of reviews
Number of ratings—9 — better
Update frequencyEvery 3 days — betterFortnightly
AdsNoNo
In-app purchasesNoNo
Monetization—Paid
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS11.0 — better14.0
Further details — not scored
Size28 MB39 MB
Age rating4+4+
DeveloperALEKSANDR OLEJNIKdataWorks GmbH

In-app purchases

None

OLLY Car Assistant

No in-app purchases

None

Altimeter Pro

No in-app purchases

Questions

Is OLLY Car Assistant free?
OLLY Car Assistant is free to download, with no in-app purchases.
Is Altimeter Pro free?
Altimeter Pro costs $0.99, with no in-app purchases.
Do OLLY Car Assistant or Altimeter Pro have ads?
Neither OLLY Car Assistant nor Altimeter Pro shows ads.
Which is updated more often, OLLY Car Assistant or Altimeter Pro?
OLLY Car Assistant ships an update every 3 days, and Altimeter Pro fortnightly. Most recently, OLLY Car Assistant was updated on October 7, 2026 and Altimeter Pro on October 14, 2026.

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