# Pace Adjuster vs StackDay

The clearest difference is in-app purchases: Pace Adjuster at none against StackDay's 8. Pace Adjuster also leads on ads (none vs shown). StackDay's advantage is ratings volume (5 vs 1) and iOS requirement (17.0 vs 26.0). On price, rating and device support there is nothing between them.

Both are free to download. StackDay sells 8 in-app purchases, starting at $0.99 per 7 days. Pace Adjuster asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Pace Adjuster against 5.0 for StackDay. That said, the two scores are not equally well evidenced: StackDay has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Pace Adjuster | StackDay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/pace-adjuster/id6753634132/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/stackday-supplement-and-peptide/id6761502044/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Monetization | **Free** | Freemium |
| Size | 1 MB | 20 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Andrew Lapin](https://appshunter.io/developer/1844106161) | [Fog Hill, LLC](https://appshunter.io/developer/1496413878) |

## What reviewers say

### Pace Adjuster

[App page](https://appshunter.io/ios/app/pace-adjuster/id6753634132)

This app helps runners maintain their target pace during training and races. It provides real-time vibrational feedback to alert users if they are running too fast, too slow, or are on pace. Achieve your running goals with intelligent pace guidance.

**Highlights:** Set goal pace and distance, Real-time vibrational feedback, Alerts for too fast/slow pace, Smart pace guidance, Focus on energy conservation, Improve running efficiency

**Features:** Apple Watch app

**In-app purchases:** none


### StackDay

[App page](https://appshunter.io/ios/app/stackday-supplement-and-peptide/id6761502044)

This app helps you consistently take your vitamins and supplements. Log doses, build streaks, and view your adherence over time. It offers smart reminders and pre-loaded supplement information to make tracking easy.

**Highlights:** Daily checklist for all supplements, 50+ pre-loaded supplements, Streak and adherence statistics, Customizable smart reminders, Local data storage for privacy, Home screen widget (Pro)

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Weekly Discount | $0.99 | per 7 days |
| Pro Weekly | $1.99 | per 7 days |
| Pro Monthly Discount | $3.99 | per month |
| StackDay Pro Monthly | $4.99 | per month |
| StackDay Pro Monthly Subscription | $4.99 | per month |
| Pro Annual Discount | $19.99 | per year |
| StackDay Pro Annual Subscription | $24.99 | per year |
| StackDay Pro Annual | $49.99 | per year |


## Frequently asked questions

### Is Pace Adjuster free?

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

### Is StackDay free?

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

### Which has better reviews, Pace Adjuster or StackDay?

Pace Adjuster and StackDay are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do Pace Adjuster or StackDay have ads?

StackDay shows ads; Pace Adjuster does not.

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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.*