# Pedco Supply vs Diamondback Sizing Calculator

The clearest difference is update cadence: Diamondback Sizing Calculator at every 5 months against Pedco Supply's every 11 months. Diamondback Sizing Calculator also leads on iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

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

Pedco Supply ships an update every 11 months, Diamondback Sizing Calculator every 5 months. The most recent releases landed on October 1, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Pedco Supply | Diamondback Sizing Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 5 months** |
| Size | 27 MB | 46 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Awais Izhar](https://appshunter.io/developer/1538974031) | [CB Supplies Ltd.](https://appshunter.io/developer/1645869774) |

## What reviewers say

### Pedco Supply

[App page](https://appshunter.io/ios/app/pedco-supply/id1543531360)

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

**In-app purchases:** none


### Diamondback Sizing Calculator

[App page](https://appshunter.io/ios/app/diamondback-sizing-calculator/id1645869772)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Pedco Supply free?

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

### Is Diamondback Sizing Calculator free?

Diamondback Sizing Calculator is free to download, with no in-app purchases.

### Do Pedco Supply or Diamondback Sizing Calculator have ads?

Neither Pedco Supply nor Diamondback Sizing Calculator shows ads.

### Which is updated more often, Pedco Supply or Diamondback Sizing Calculator?

Pedco Supply ships an update every 11 months, and Diamondback Sizing Calculator every 5 months. Most recently, Pedco Supply was updated on October 1, 2026 and Diamondback Sizing Calculator 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.*