# Compare Flow vs D2 Runeword Matcher

Compare Flow and D2 Runeword Matcher both sit at 4.6 stars, but that hides the real split: 89% of D2 Runeword Matcher's written reviews are positive against 50% of Compare Flow's. D2 Runeword Matcher also leads on update cadence (every 5 weeks vs every 32 months) and ratings volume (27 vs 5). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 4.6 for Compare Flow against 4.5 for D2 Runeword Matcher. That said, the two scores are not equally well evidenced: D2 Runeword Matcher has 27 ratings behind it against 5, so its average is the more settled of the two. Written reviews are what separate them: 50% of Compare Flow's written reviews are positive against 89% of D2 Runeword Matcher's.

Compare Flow ships an update every 32 months, D2 Runeword Matcher every 5 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Compare Flow | D2 Runeword Matcher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/compare-flow/id581217854/reviews)** | [4.5 (27 ratings)](https://appshunter.io/ios/app/d2-runeword-matcher/id1581647517/reviews) |
| Number of ratings | 5 | **27** |
| Positive reviews | 50.0% of reviews | **89.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 32 months | **Every 5 weeks** |
| Monetization | Free | Free |
| Size | 23 MB | 10 MB |
| Requires iOS | 15.1 | **13.6** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [iENGINEERING Corporation](https://appshunter.io/developer/419618955) | [Adam Ake](https://appshunter.io/developer/1581647519) |

## What reviewers say

### Compare Flow

[App page](https://appshunter.io/ios/app/compare-flow/id581217854)

This application helps engineers and designers evaluate the hydraulic flow capacity of various non-pressure sewer pipe types. It allows for comparisons between different pipe geometries and materials, including concrete, thermoplastic, and metal options.

**Highlights:** Manning's Formula calculation, Compare hydraulic flow capacity, Evaluate pipe geometry alternatives, Compare pipe material options, Supports concrete, thermoplastic, and metal pipes, Circular, elliptical, arch, and box sections

**Features:** macOS Compatibility

**In-app purchases:** none


### D2 Runeword Matcher

[App page](https://appshunter.io/ios/app/d2-runeword-matcher/id1581647517)

This app helps Diablo 2 players quickly find and browse all available rune words. It offers a simple, ad-free interface for easy reference.

**Highlights:** Rune word lookup, Browse all rune words, Diablo 2 inspired design, Ad-free experience

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Compare Flow free?

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

### Is D2 Runeword Matcher free?

D2 Runeword Matcher is free to download, with no in-app purchases.

### Which has better reviews, Compare Flow or D2 Runeword Matcher?

Compare Flow is rated higher. Compare Flow averages 4.6 out of 5 from 5 ratings, while D2 Runeword Matcher averages 4.5 from 27 ratings.

### Do Compare Flow or D2 Runeword Matcher have ads?

Neither Compare Flow nor D2 Runeword Matcher shows ads.

### Which is updated more often, Compare Flow or D2 Runeword Matcher?

Compare Flow ships an update every 32 months, and D2 Runeword Matcher every 5 weeks. Most recently, Compare Flow was updated on October 29, 2026 and D2 Runeword Matcher on October 24, 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.*