# CONVERT UNITS vs Afghan Calendar

The clearest difference is in-app purchases: Afghan Calendar at none against CONVERT UNITS's 2. Afghan Calendar also leads on rating (5.0 vs 4.7). CONVERT UNITS's advantage is update cadence (weekly vs every 15 months) and ratings volume (1.4K vs 1). On price, ads, monetization model and device support there is nothing between them.

Both are free to download. CONVERT UNITS sells 2 in-app purchases, starting at $0.99 per month. Afghan Calendar asks for nothing beyond the download.

Afghan Calendar holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: CONVERT UNITS has 1.4K ratings behind it against 1, so its average is the more settled of the two.

CONVERT UNITS ships an update weekly, Afghan Calendar every 15 months. The most recent releases landed on October 29, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | CONVERT UNITS | Afghan Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (1.4K ratings)](https://appshunter.io/ios/app/convert-units/id1114969241/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/afghan-calendar/id6501959494/reviews)** |
| Number of ratings | **1.4K** | 1 |
| Positive reviews | 75.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 15 months |
| Monetization | Ad-supported | Ad-supported |
| Size | 22 MB | 8 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [Adysseus](https://appshunter.io/developer/447444997) | [Revit Technologies](https://appshunter.io/developer/525527997) |

## What reviewers say

### CONVERT UNITS

[App page](https://appshunter.io/ios/app/convert-units/id1114969241)

Easily convert between various units of measurement including length, weight, temperature, and currency. Features automatic currency updates, a vast selection of currencies, and customizable display options for accuracy and rounding. Optimized for multitasking on iPad and offers a beautiful dark design.

**Highlights:** Converts length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency, Automatic currency updates, 160 currencies available, Multitasking enabled for iPad, Alphabetical quick links for units, Customizable startup categories, Adjustable accuracy and rounding

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ads | $0.99 | per month |
| Remove ads | $19.99 | one-time |

**What reviewers like**

- 👍 Quick & easy to use
- 👍 Ease of use
- 👍 Simple and easy to use
- 👍 Well thought out and easy to use
- 👍 Excellent and very reliable

**What reviewers complain about**

- 🐛 Ads obstruct use
- 🐛 Subscription required to remove ads
- 🐛 Currency conversion not working

**Reported bugs**

- App got stuck, required uninstall/reinstall to fix
- Navigation issues, unable to get back to home page

**Requested features**

- Option to convert between functions (length to volume)
- Remember last conversion settings for each category


### Afghan Calendar

[App page](https://appshunter.io/ios/app/afghan-calendar/id6501959494)

This app provides a comprehensive Afghan calendar (Jalali) with support for multiple date systems, event listings, and date conversion. It offers multi-language options and customizable themes for a personalized user experience.

**Highlights:** Afghan Jalali calendar, Multi-calendar support (Islamic, Georgian), Event and holiday listings, Date converter (Hijri Shamsi, Gregorian, Islamic), Multi-language support (Pashto, Dari, Farsi, English), Customizable themes

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

**In-app purchases:** none


## Frequently asked questions

### Is CONVERT UNITS free?

CONVERT UNITS is free to download, with in-app purchases available.

### Is Afghan Calendar free?

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

### Which has better reviews, CONVERT UNITS or Afghan Calendar?

Afghan Calendar is rated higher. CONVERT UNITS averages 4.7 out of 5 from 1.4K ratings, while Afghan Calendar averages 5.0 from 1 ratings.

### Do CONVERT UNITS or Afghan Calendar have ads?

Both CONVERT UNITS and Afghan Calendar show ads.

### Which is updated more often, CONVERT UNITS or Afghan Calendar?

CONVERT UNITS ships an update weekly, and Afghan Calendar every 15 months. Most recently, CONVERT UNITS was updated on October 29, 2026 and Afghan Calendar on October 19, 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.*