# CMIM vs Metric Conversions Premium

The clearest difference is price: CMIM at Free against Metric Conversions Premium's $4.99. CMIM also leads on update cadence (fortnightly vs every 2 months) and iOS requirement (11.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

CMIM is free to download; Metric Conversions Premium costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

CMIM ships an update fortnightly, Metric Conversions Premium every 2 months. The most recent releases landed on October 27, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | CMIM | Metric Conversions Premium |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/metric-conversions-premium/id6743940201/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | — | Paid |
| Size | 38 MB | 26 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Jesus Cuevas Sanchez](https://appshunter.io/developer/1441737792) | [Wight Hat](https://appshunter.io/developer/1425885740) |

## What reviewers say

### CMIM

[App page](https://appshunter.io/ios/app/cmim/id1497759964)

**Features:** macOS Compatibility

**In-app purchases:** none


### Metric Conversions Premium

[App page](https://appshunter.io/ios/app/metric-conversions-premium/id6743940201)

This utility app offers a comprehensive suite of unit and currency conversions with a clean interface. It works offline and provides precise results, breaking down complex units into smaller components for detailed analysis. Users can save frequent conversions for quick access.

**Highlights:** No ads or data tracking, Offline functionality, Over 30,000 unit conversions, 130+ currencies with hourly updates, Save favorite conversions, Precise results up to 5 decimal places, Detailed unit breakdowns

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

**In-app purchases:** none


## Frequently asked questions

### Is CMIM free?

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

### Is Metric Conversions Premium free?

Metric Conversions Premium costs $4.99, with no in-app purchases.

### Do CMIM or Metric Conversions Premium have ads?

Neither CMIM nor Metric Conversions Premium shows ads.

### Which is updated more often, CMIM or Metric Conversions Premium?

CMIM ships an update fortnightly, and Metric Conversions Premium every 2 months. Most recently, CMIM was updated on October 27, 2026 and Metric Conversions Premium 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.*