# AltLog vs Zenith

The clearest difference is in-app purchases: AltLog at none against Zenith's 2. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Zenith sells 2 in-app purchases, starting at $9.99 per year. AltLog asks for nothing beyond the download.

## The numbers

| Metric | AltLog | Zenith |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | — |
| Size | 12 MB | 5 MB |
| Requires iOS | 18.0 | 18.0 |
| Devices | iPhone | **iPhone, Apple Watch** |
| Age rating | +4 | 4+ |
| Developer | [Ilia Filiaev](https://appshunter.io/developer/1742628366) | [Steve Smith](https://appshunter.io/developer/871200986) |

## What reviewers say

### AltLog

[App page](https://appshunter.io/ios/app/altlog-altimeter-and-elevation/id6775907553)

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

**In-app purchases:** none


### Zenith

[App page](https://appshunter.io/ios/app/zenith-elevation-tracker/id6789789574)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Zenith Pro Yearly | $9.99 | per year |
| Zenith Pro Lifetime | $24.99 | one-time |


## Frequently asked questions

### Is AltLog free?

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

### Is Zenith free?

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

### Do AltLog or Zenith have ads?

Neither AltLog nor Zenith shows ads.

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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.*