# Diyalog Dim vs Alpertra

The clearest difference is update cadence: Alpertra at fortnightly against Diyalog Dim's every 13 months. Alpertra also leads on iOS requirement (13.0 vs 15.6). On price, ads, 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.

Diyalog Dim ships an update every 13 months, Alpertra fortnightly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Diyalog Dim | Alpertra |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Fortnightly** |
| Size | 7 MB | 54 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dogus Teknoloji](https://appshunter.io/developer/716537791) | [Altur Turizm](https://appshunter.io/developer/1326766249) |

## What reviewers say

### Diyalog Dim

[App page](https://appshunter.io/ios/app/diyalog-dim/id1470583882)

**Features:** macOS Compatibility

**In-app purchases:** none


### Alpertra

[App page](https://appshunter.io/ios/app/alpertra/id1624845473)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Diyalog Dim free?

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

### Is Alpertra free?

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

### Do Diyalog Dim or Alpertra have ads?

Neither Diyalog Dim nor Alpertra shows ads.

### Which is updated more often, Diyalog Dim or Alpertra?

Diyalog Dim ships an update every 13 months, and Alpertra fortnightly. Most recently, Diyalog Dim was updated on October 3, 2026 and Alpertra on October 7, 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.*