# UnitFlowPro vs Nota6

The clearest difference is price: Nota6 at Free against UnitFlowPro's $1.99. Nota6 also leads on ads (none vs shown) and update cadence (every 2 days vs every 5 days). On in-app purchases, device support and iOS requirement there is nothing between them.

Nota6 is free to download; UnitFlowPro costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UnitFlowPro ships an update every 5 days, Nota6 every 2 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | UnitFlowPro | Nota6 |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/unitflowpro/id6767599503/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 days | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Size | 3 MB | 11 MB |
| Requires iOS | 17.6 | **17.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [James Roche](https://appshunter.io/developer/1896491450) | [笑天 刘](https://appshunter.io/developer/1845977493) |

## What reviewers say

### UnitFlowPro

[App page](https://appshunter.io/ios/app/unitflowpro/id6767599503)

Instantly convert units across numerous categories with real-time updates as you type. Features a clean, dark interface with color-coded units for easy identification. Handles all number types seamlessly.

**Highlights:** Real-time unit conversions, 15+ conversion categories, Color-coded unit design, Smart number handling, Ad-free option via one-time purchase

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

**In-app purchases:** none


### Nota6

[App page](https://appshunter.io/ios/app/nota6/id6771324417)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is UnitFlowPro free?

UnitFlowPro costs $1.99, with no in-app purchases.

### Is Nota6 free?

Nota6 is free to download, with no in-app purchases.

### Do UnitFlowPro or Nota6 have ads?

UnitFlowPro shows ads; Nota6 does not.

### Which is updated more often, UnitFlowPro or Nota6?

UnitFlowPro ships an update every 5 days, and Nota6 every 2 days. Most recently, UnitFlowPro was updated on October 14, 2026 and Nota6 on October 7, 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.*