# Now Altimeter vs Trackisi

The clearest difference is in-app purchases: Trackisi at none against Now Altimeter's 3. Trackisi also leads on update cadence (every 2 weeks vs monthly) and iOS requirement (15.0 vs 17.0). Now Altimeter's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Now Altimeter sells 3 in-app purchases, starting at $2.99 per month. Trackisi asks for nothing beyond the download.

Now Altimeter ships an update monthly, Trackisi every 2 weeks. The most recent releases landed on October 15, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Now Altimeter | Trackisi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Size | 42 MB | 63 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gerhard Kanzler](https://appshunter.io/developer/592322016) | [4inte](https://appshunter.io/developer/6795906740) |

## What reviewers say

### Now Altimeter

[App page](https://appshunter.io/ios/app/now-altimeter/id1039946633)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Now Altimeter Pro –  Monthly | $2.99 | per month |
| Now Altimeter Pro – Yearly | $19.99 | per year |
| Custom Design Editor | $2.99 | one-time |


### Trackisi

[App page](https://appshunter.io/ios/app/trackisi/id6796222286)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Now Altimeter free?

Now Altimeter is free to download, with in-app purchases available.

### Is Trackisi free?

Trackisi is free to download, with no in-app purchases.

### Do Now Altimeter or Trackisi have ads?

Trackisi shows ads; Now Altimeter does not.

### Which is updated more often, Now Altimeter or Trackisi?

Now Altimeter ships an update monthly, and Trackisi every 2 weeks. Most recently, Now Altimeter was updated on October 15, 2026 and Trackisi on October 18, 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.*