# Trip Essentials Checker vs UnitFlowPro

The clearest difference is price: Trip Essentials Checker at Free against UnitFlowPro's $1.99. Trip Essentials Checker also leads on iOS requirement (15.0 vs 17.6). UnitFlowPro's advantage is in-app purchases (none vs 1). On update cadence, ads and device support there is nothing between them.

Trip Essentials Checker is free to download; UnitFlowPro costs $1.99 up front. Trip Essentials Checker sells 1 one-off in-app purchase. UnitFlowPro asks for nothing beyond the download.

Trip Essentials Checker ships an update weekly, UnitFlowPro every 5 days. The most recent releases landed on October 24, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Trip Essentials Checker | UnitFlowPro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| 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 | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Weekly | **Every 5 days** |
| Monetization | — | Free with in-app purchases |
| Size | 50 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Seiya.k](https://appshunter.io/developer/383021944) | [James Roche](https://appshunter.io/developer/1896491450) |

## What reviewers say

### Trip Essentials Checker

[App page](https://appshunter.io/ios/app/trip-essentials-checker/id6736766761)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro (Lifetime) | $2.99 | one-time |


### 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


## Frequently asked questions

### Is Trip Essentials Checker free?

Trip Essentials Checker is free to download, with in-app purchases available.

### Is UnitFlowPro free?

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

### Do Trip Essentials Checker or UnitFlowPro have ads?

Both Trip Essentials Checker and UnitFlowPro show ads.

### Which is updated more often, Trip Essentials Checker or UnitFlowPro?

Trip Essentials Checker ships an update weekly, and UnitFlowPro every 5 days. Most recently, Trip Essentials Checker was updated on October 24, 2026 and UnitFlowPro on October 14, 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.*