# Tabdil vs Gahshomar گاهشمار

The clearest difference is in-app purchases: Gahshomar گاهشمار at none against Tabdil's 1. Gahshomar گاهشمار also leads on update cadence (every 4 days vs every 4 months) and ratings volume (191 vs 5). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Tabdil sells 1 in-app purchase, starting at $0.99 per year. Gahshomar گاهشمار asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Tabdil against 4.9 for Gahshomar گاهشمار. That said, the two scores are not equally well evidenced: Gahshomar گاهشمار has 191 ratings behind it against 5, so its average is the more settled of the two. Written reviews split almost evenly too, at 100% and 100% positive.

Tabdil ships an update every 4 months, Gahshomar گاهشمار every 4 days. The most recent releases landed on October 10, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Tabdil | Gahshomar گاهشمار |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/tabdil/id6445903422/reviews)** | [4.9 (191 ratings)](https://appshunter.io/ios/app/gahshomar/id6758525232/reviews) |
| Number of ratings | 5 | **191** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 27 MB | 67 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kung Fu Grip LLC](https://appshunter.io/developer/1478978499) | [Appfium UG](https://appshunter.io/developer/1866011079) |

## What reviewers say

### Tabdil

[App page](https://appshunter.io/ios/app/tabdil/id6445903422)

Effortlessly convert dates between Persian (Solar Hijri) and Gregorian calendars. Get instant conversions with a tap and view important dates with home screen widgets. Stay organized and celebrate events with precision.

**Highlights:** Instant date conversion, Persian and Gregorian calendars, Home screen widgets, Nowruz countdown, Event planning tool

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tabdil subscription | $0.99 | per year |


### Gahshomar گاهشمار

[App page](https://appshunter.io/ios/app/gahshomar/id6758525232)

Explore Iran's ancient calendrical heritage with this app. It supports the Imperial, Solar Hijri, and Gregorian calendars, offering date conversion, historical events, and educational content about Persian traditions. Enjoy a beautifully designed, multilingual interface with home screen widgets.

**Highlights:** Imperial, Solar Hijri, Gregorian calendar support, Seamless date conversion between systems, Explore historical events in Iranian history, Educational content on calendar origins, Beautiful, user-friendly interface, Home screen widgets, Multilingual support (Persian & English)

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

**In-app purchases:** none


## Frequently asked questions

### Is Tabdil free?

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

### Is Gahshomar گاهشمار free?

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

### Which has better reviews, Tabdil or Gahshomar گاهشمار?

Tabdil is rated higher. Tabdil averages 5.0 out of 5 from 5 ratings, while Gahshomar گاهشمار averages 4.9 from 191 ratings.

### Do Tabdil or Gahshomar گاهشمار have ads?

Neither Tabdil nor Gahshomar گاهشمار shows ads.

### Which is updated more often, Tabdil or Gahshomar گاهشمار?

Tabdil ships an update every 4 months, and Gahshomar گاهشمار every 4 days. Most recently, Tabdil was updated on October 10, 2026 and Gahshomar گاهشمار on October 13, 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.*