# Uphill vs TreadCal

The clearest difference is in-app purchases: Uphill at none against TreadCal's 1. Uphill also leads on iOS requirement (15.0 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TreadCal sells 1 one-off in-app purchase. Uphill asks for nothing beyond the download.

Uphill ships an update every 4 days, TreadCal weekly. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Uphill | TreadCal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/treadcal/id6814314337/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Weekly |
| Monetization | — | Free with in-app purchases |
| Size | 28 MB | 6 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Suk Jin Kang](https://appshunter.io/developer/6793135335) | [Carbide Studios](https://appshunter.io/developer/6814314339) |

## What reviewers say

### Uphill

[App page](https://appshunter.io/ios/app/uphill-treadmill-tracker/id6794564469)

**In-app purchases:** none


### TreadCal

[App page](https://appshunter.io/ios/app/treadcal/id6814314337)

Estimate calories burned and vertical climb during incline treadmill workouts. It uses your weight, speed, incline, and optional weighted vest to provide accurate estimates. Shareable climb cards summarize your progress.

**Highlights:** Incline-aware calorie estimates, Vertical climb and distance tracking, Live heart rate and zones on Apple Watch, Weighted vest calorie contribution, Shareable climb cards, Treadmill calibration

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TreadCal Pro | $3.99 | one-time |


## Frequently asked questions

### Is Uphill free?

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

### Is TreadCal free?

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

### Do Uphill or TreadCal have ads?

Neither Uphill nor TreadCal shows ads.

### Which is updated more often, Uphill or TreadCal?

Uphill ships an update every 4 days, and TreadCal weekly. Most recently, Uphill was updated on October 25, 2026 and TreadCal on October 29, 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.*