# Convert Any Unit Lite vs Prairie Sentinels

The clearest difference is ads: Prairie Sentinels at none against Convert Any Unit Lite's shown. Prairie Sentinels also leads on rating (5.0 vs 4.7) and monetization model (free vs ad-supported). Convert Any Unit Lite's advantage is ratings volume (48K vs 1) and iOS requirement (15.2 vs 17.0). On price, update cadence, 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.

Prairie Sentinels holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Convert Any Unit Lite has 48K ratings behind it against 1, so its average is the more settled of the two.

Convert Any Unit Lite ships an update every 6 weeks, Prairie Sentinels every 3 months. The most recent releases landed on October 28, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Convert Any Unit Lite | Prairie Sentinels |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (48K ratings)](https://appshunter.io/ios/app/convert-any-unit-lite/id478222820/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/prairie-sentinels/id6761671409/reviews)** |
| Number of ratings | **48K** | 1 |
| Positive reviews | 72.8% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Monetization | Ad-supported | **Free** |
| Size | 30 MB | 5 MB |
| Requires iOS | **15.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cider Software LLC](https://appshunter.io/developer/465180756) | [Lonnie Millett](https://appshunter.io/developer/1620072866) |

## What reviewers say

### Convert Any Unit Lite

[App page](https://appshunter.io/ios/app/convert-any-unit-lite/id478222820)

Quickly convert between thousands of units with an intelligent search and autocomplete feature. This app offers a streamlined interface, an integrated calculator, and the ability to save favorite conversions. It supports over 6,400 units across 51 categories, making it a comprehensive tool for all your conversion needs.

**Highlights:** Intelligent unit search with autocomplete, Automatic category selection, Integrated calculator, Save and organize favorite conversions, Supports over 6,400 units, Fractional conversion output

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Comprehensive unit conversions
- 💡 Allows custom unit creation
- 🔧 Useful for cooking, travel, and work
- 🔍 Intuitive and straightforward interface

**What reviewers complain about**

- 🔍 Too many unit options can be overwhelming
- 🔍 Ads can be intrusive and disrupt usage
- 🐛 Occasional bugs and freezing issues
- 🔋 High ad frequency drains battery quickly

**Reported bugs**

- Login screen freezes
- App crashes when opening certain conversions
- Custom unit values reset unexpectedly

**Requested features**

- Add Apple Watch app
- Improve ad placement and frequency
- Enhance custom unit creation experience
- Provide more unit categories and conversions


### Prairie Sentinels

[App page](https://appshunter.io/ios/app/prairie-sentinels/id6761671409)

Discover and track historical grain elevators across the Canadian prairies. This app provides a map view of standing and lost elevators, allowing you to mark visited locations and learn about these disappearing landmarks.

**Highlights:** Map view of grain elevators, Track visited locations, Discover nearby elevators, View elevator status and photos, Database of historical landmarks, Color-coded map indicators

**In-app purchases:** none


## Frequently asked questions

### Is Convert Any Unit Lite free?

Convert Any Unit Lite is free to download, with no in-app purchases.

### Is Prairie Sentinels free?

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

### Which has better reviews, Convert Any Unit Lite or Prairie Sentinels?

Prairie Sentinels is rated higher. Convert Any Unit Lite averages 4.7 out of 5 from 48K ratings, while Prairie Sentinels averages 5.0 from 1 ratings.

### Do Convert Any Unit Lite or Prairie Sentinels have ads?

Convert Any Unit Lite shows ads; Prairie Sentinels does not.

### Which is updated more often, Convert Any Unit Lite or Prairie Sentinels?

Convert Any Unit Lite ships an update every 6 weeks, and Prairie Sentinels every 3 months. Most recently, Convert Any Unit Lite was updated on October 28, 2026 and Prairie Sentinels on October 24, 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.*