# Pace Ruler vs NDS Stormwater Drainage Tools

The clearest difference is rating: NDS Stormwater Drainage Tools at 3.5 against Pace Ruler's 2.6. NDS Stormwater Drainage Tools also leads on in-app purchases (none vs 1) and ads (none vs shown). Pace Ruler's advantage is update cadence (every 6 months vs every 57 months). On price, ratings volume, device support and iOS requirement there is nothing between them.

Both are free to download. Pace Ruler sells 1 one-off in-app purchase. NDS Stormwater Drainage Tools asks for nothing beyond the download.

NDS Stormwater Drainage Tools holds the better App Store score, 3.5 against 2.6. Both are backed by a comparable volume of ratings — 15 and 8 respectively. Written reviews point the same way: 39% of Pace Ruler's written reviews are positive against 67% of NDS Stormwater Drainage Tools's.

Pace Ruler ships an update every 6 months, NDS Stormwater Drainage Tools every 57 months. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Pace Ruler | NDS Stormwater Drainage Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.6 (15 ratings)](https://appshunter.io/ios/app/pace-ruler/id588276050/reviews) | **[3.5 (8 ratings)](https://appshunter.io/ios/app/nds-stormwater-drainage-tools/id1513453356/reviews)** |
| Number of ratings | **15** | 8 |
| Positive reviews | 39.3% of reviews | **66.7% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 months** | Every 57 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 15 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Takafumi AMANO](https://appshunter.io/developer/581065340) | [National Diversified Sales, Inc.](https://appshunter.io/developer/510489497) |

## What reviewers say

### Pace Ruler

[App page](https://appshunter.io/ios/app/pace-ruler/id588276050)

This tool uses GNSS to measure distances accurately on foot. Survey results can be viewed on an iOS map and shared easily. Customize units, calculation methods, and accuracy settings for precise measurements.

**Highlights:** GNSS distance surveying, iOS map integration, File sharing of results, Customizable units (meter, foot), Multiple distance calculation methods, Adjustable GNSS accuracy, Automatic shut-off

**Features:** Vision Pro support

**In-app purchases (1)**

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


### NDS Stormwater Drainage Tools

[App page](https://appshunter.io/ios/app/nds-stormwater-drainage-tools/id1513453356)

This app offers calculator tools, product purchasing locations, and contact information for stormwater management solutions. It aims to provide updates with new product details and installation resources to aid in diagnosis and installation.

**Highlights:** Calculator tools, Where to buy information, Contact us details, Product details updates, Installation video links, Diagnosis and installation assistance

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pace Ruler free?

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

### Is NDS Stormwater Drainage Tools free?

NDS Stormwater Drainage Tools is free to download, with no in-app purchases.

### Which has better reviews, Pace Ruler or NDS Stormwater Drainage Tools?

NDS Stormwater Drainage Tools is rated higher. Pace Ruler averages 2.6 out of 5 from 15 ratings, while NDS Stormwater Drainage Tools averages 3.5 from 8 ratings.

### Do Pace Ruler or NDS Stormwater Drainage Tools have ads?

Pace Ruler shows ads; NDS Stormwater Drainage Tools does not.

### Which is updated more often, Pace Ruler or NDS Stormwater Drainage Tools?

Pace Ruler ships an update every 6 months, and NDS Stormwater Drainage Tools every 57 months. Most recently, Pace Ruler was updated on November 6, 2026 and NDS Stormwater Drainage Tools on November 3, 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.*