# Altimate vs Benchmark Slope

The clearest difference is monetization model: Altimate at free with in-app purchases against Benchmark Slope's subscription. Altimate also leads on ratings volume (3 vs 1). Benchmark Slope's advantage is ads (none vs shown) and review sentiment (100% vs 67%). On price, rating, in-app purchases and device support there is nothing between them.

Both are free to download. Altimate sells 1 one-off in-app purchase and Benchmark Slope sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Altimate against 5.0 for Benchmark Slope. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews are what separate them: 67% of Altimate's written reviews are positive against 100% of Benchmark Slope's.

Altimate ships an update fortnightly, Benchmark Slope every 4 days. The most recent releases landed on October 3, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Altimate | Benchmark Slope |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/altimate/id1109546712/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/benchmark-slope/id6751212219/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 66.7% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 4 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 4 MB | 74 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AirMail, L.L.C.](https://appshunter.io/developer/1187804794) | [Benchmark Slope](https://appshunter.io/developer/1834014574) |

## What reviewers say

### Altimate

[App page](https://appshunter.io/ios/app/altimate/id1109546712)

Track your current elevation and GPS coordinates with this minimalist utility app. It offers a clean interface, customizable themes, and essential navigation tools for quick glances.

**Highlights:** Altitude/Elevation tracking, GPS Coordinates display, Compass with heading, Customizable color themes, Oversized readout, watchOS and widget integration

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### Benchmark Slope

[App page](https://appshunter.io/ios/app/benchmark-slope/id6751212219)

This app helps employees quickly determine jobsite elevation marks and calculate slopes. It provides target pole-shots based on established instrument height and allows for instant unit conversions between decimal feet, feet and inches, and meters. It aims to reduce errors and save time on construction sites.

**Highlights:** Jobsite elevation mark determination, Target pole-shot calculation, Slope calculation function, Elevation difference, distance, and gradient calculation, Unit conversion (Decimal Feet, Feet/Inches, Meters), Quick rise/fall toggle

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $99.99 | per year |


## Frequently asked questions

### Is Altimate free?

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

### Is Benchmark Slope free?

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

### Which has better reviews, Altimate or Benchmark Slope?

Altimate and Benchmark Slope are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Altimate or Benchmark Slope have ads?

Altimate shows ads; Benchmark Slope does not.

### Which is updated more often, Altimate or Benchmark Slope?

Altimate ships an update fortnightly, and Benchmark Slope every 4 days. Most recently, Altimate was updated on October 3, 2026 and Benchmark Slope on October 14, 2026.

---

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