# Units App vs Eclipse Explorer Plus

The clearest difference is rating: Eclipse Explorer Plus at 5.0 against Units App's 2.0. Eclipse Explorer Plus also leads on update cadence (weekly vs every 9 months). Units App's advantage is price ($0.99 vs $1.99) and iOS requirement (12.0 vs 18.6). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Units App costs $0.99 and Eclipse Explorer Plus $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Eclipse Explorer Plus holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Units App ships an update every 9 months, Eclipse Explorer Plus weekly. The most recent releases landed on October 1, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Units App | Eclipse Explorer Plus |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/units-app/id510085915/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/eclipse-explorer-plus/id6479205415/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Weekly** |
| Monetization | Paid | Paid |
| Size | 2 MB | 46 MB |
| Requires iOS | **12.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Piet Jonas](https://appshunter.io/developer/288060167) | [Joshua Berlin](https://appshunter.io/developer/1252295022) |

## What reviewers say

### Units App

[App page](https://appshunter.io/ios/app/units-app/id510085915)

Easily convert between various units across multiple categories including length, temperature, and weight. Access past conversions through a history list and send calculations via email. Supports a wide range of Apple devices.

**Highlights:** Multiple unit categories, Metric and imperial systems, Conversion history, Send calculations via email, iPad multitasking support

**Features:** macOS Compatibility

**In-app purchases:** none


### Eclipse Explorer Plus

[App page](https://appshunter.io/ios/app/eclipse-explorer-plus/id6479205415)

Track upcoming solar eclipses with detailed circumstances, countdown timers, and real-time shadow maps. Uses your GPS to provide personalized eclipse data for your exact location.

**Highlights:** Solar eclipse tracking until 2100, Real-time shadow maps, Countdown timers, Location-specific circumstances, GPS integration for personalized data, Globe display for eclipse path

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

**In-app purchases:** none


## Frequently asked questions

### Is Units App free?

Units App costs $0.99, with no in-app purchases.

### Is Eclipse Explorer Plus free?

Eclipse Explorer Plus costs $1.99, with no in-app purchases.

### Which has better reviews, Units App or Eclipse Explorer Plus?

Eclipse Explorer Plus is rated higher. Units App averages 2.0 out of 5 from 1 ratings, while Eclipse Explorer Plus averages 5.0 from 1 ratings.

### Do Units App or Eclipse Explorer Plus have ads?

Neither Units App nor Eclipse Explorer Plus shows ads.

### Which is updated more often, Units App or Eclipse Explorer Plus?

Units App ships an update every 9 months, and Eclipse Explorer Plus weekly. Most recently, Units App was updated on October 1, 2026 and Eclipse Explorer Plus on September 30, 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.*