# OLLY Car Assistant vs Altimeter Pro

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.

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.

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.

## The numbers

| Metric | OLLY Car Assistant | Altimeter Pro |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | — | **[4.7 (9 ratings)](https://appshunter.io/ios/app/altimeter-pro-elevation/id6469049312/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | — | Paid |
| Size | 28 MB | 39 MB |
| Requires iOS | **11.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ALEKSANDR OLEJNIK](https://appshunter.io/developer/1463380717) | [dataWorks GmbH](https://appshunter.io/developer/559332295) |

## What reviewers say

### OLLY Car Assistant

[App page](https://appshunter.io/ios/app/olly-car-assistant/id1463380718)

**Features:** macOS Compatibility

**In-app purchases:** none


### Altimeter Pro

[App page](https://appshunter.io/ios/app/altimeter-pro-elevation/id6469049312)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*