# Orifice Flow vs Fastener Dimensions

The clearest difference is review sentiment: Orifice Flow at 100% against Fastener Dimensions's 0%. Orifice Flow also leads on rating (4.0 vs 1.0) and price ($3.99 vs $4.99). Fastener Dimensions's advantage is iOS requirement (12.0 vs 14.3). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Orifice Flow costs $3.99 and Fastener Dimensions $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Orifice Flow holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 100% of Orifice Flow's written reviews are positive against 0% of Fastener Dimensions's.

Orifice Flow ships an update every 12 months, Fastener Dimensions every 6 months. Both last shipped on October 11, 2026.

## The numbers

| Metric | Orifice Flow | Fastener Dimensions |
| --- | --- | --- |
| Price | **$3.99** | $4.99 |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/orifice-flow/id479581349/reviews)** | [1.0 (2 ratings)](https://appshunter.io/ios/app/fastener-dimensions/id6476143105/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 6 months** |
| Monetization | Paid | Paid |
| Size | 1 MB | 62 MB |
| Requires iOS | 14.3 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kaup Shenoy Associates](https://appshunter.io/developer/460148822) | [Ajay Gorasiya](https://appshunter.io/developer/1455174866) |

## What reviewers say

### Orifice Flow

[App page](https://appshunter.io/ios/app/orifice-flow/id479581349)

Calculate fluid flow rates in pipes and conduits using orifice plates. Supports common industrial fluids and custom fluid properties, with adjustable units and orifice types. Ideal for engineers and designers.

**Highlights:** Fluid flow rate computation, Supports 15 common industrial fluids, Custom fluid property input and saving, Multiple orifice plate types, Adjustable units (SI/USCS), Detailed computation model documentation

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

**In-app purchases:** none


### Fastener Dimensions

[App page](https://appshunter.io/ios/app/fastener-dimensions/id6476143105)

This app provides a comprehensive guide to various types of fasteners, including bolts, nuts, pins, and washers. Explore diverse options and dimensions to meet specific project requirements and enhance your understanding of these essential components.

**Highlights:** Dimensions of bolts, nuts, pins, and washers, Variety of bolt types (e.g., countersunk, hex head flange), Range of nut types (e.g., hex, wing), Intricacies of pin types (e.g., clevis, cylindrical, tapered), Choices of washer types (e.g., plain, spring), Guide for project requirements

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Orifice Flow free?

Orifice Flow costs $3.99, with no in-app purchases.

### Is Fastener Dimensions free?

Fastener Dimensions costs $4.99, with no in-app purchases.

### Which has better reviews, Orifice Flow or Fastener Dimensions?

Orifice Flow is rated higher. Orifice Flow averages 4.0 out of 5 from 1 ratings, while Fastener Dimensions averages 1.0 from 2 ratings.

### Do Orifice Flow or Fastener Dimensions have ads?

Neither Orifice Flow nor Fastener Dimensions shows ads.

### Which is updated more often, Orifice Flow or Fastener Dimensions?

Orifice Flow ships an update every 12 months, and Fastener Dimensions every 6 months. Most recently, Orifice Flow was updated on October 11, 2026 and Fastener Dimensions on October 11, 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.*