# Diyalog Dim vs USTA ERP

The clearest difference is update cadence: USTA ERP at monthly against Diyalog Dim's every 13 months. 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, USTA ERP monthly. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Diyalog Dim | USTA ERP |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 13 months | **Monthly** |
| Size | 7 MB | 61 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Dogus Teknoloji](https://appshunter.io/developer/716537791) | [HAKAN CETINASLAN](https://appshunter.io/developer/1883979296) |

## What reviewers say

### Diyalog Dim

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

**Features:** macOS Compatibility

**In-app purchases:** none


### USTA ERP

[App page](https://appshunter.io/ios/app/usta-erp/id6760341866)

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

**In-app purchases:** none


## Frequently asked questions

### Is Diyalog Dim free?

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

### Is USTA ERP free?

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

### Do Diyalog Dim or USTA ERP have ads?

Neither Diyalog Dim nor USTA ERP shows ads.

### Which is updated more often, Diyalog Dim or USTA ERP?

Diyalog Dim ships an update every 13 months, and USTA ERP monthly. Most recently, Diyalog Dim was updated on October 3, 2026 and USTA ERP on October 17, 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.*