# PURE I vs SizeRight

The clearest difference is ads: PURE I at none against SizeRight's shown. SizeRight's advantage is update cadence (every 3 weeks vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

PURE I ships an update every 2 months, SizeRight every 3 weeks. The most recent releases landed on September 17, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | PURE I | SizeRight |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 64 MB | 26 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PURE BROKING PRIVATE LIMITED](https://appshunter.io/developer/1568244042) | [Alexander Bacsa](https://appshunter.io/developer/1895938685) |

## What reviewers say

### PURE I

[App page](https://appshunter.io/ios/app/pure-i-trader/id1568244040)

**Features:** macOS Compatibility

**In-app purchases:** none


### SizeRight

[App page](https://appshunter.io/ios/app/sizeright-position-size/id6764857338)

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

**In-app purchases:** none


## Frequently asked questions

### Is PURE I free?

PURE I is free to download, with no in-app purchases.

### Is SizeRight free?

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

### Do PURE I or SizeRight have ads?

SizeRight shows ads; PURE I does not.

### Which is updated more often, PURE I or SizeRight?

PURE I ships an update every 2 months, and SizeRight every 3 weeks. Most recently, PURE I was updated on September 17, 2026 and SizeRight on September 20, 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.*