# CSTARR Digital Assistants vs Astech AC

CSTARR Digital Assistants and Astech AC are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | CSTARR Digital Assistants | Astech AC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/cstarr-digital-assistants/id1548827198/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | — |
| Monetization | Free | — |
| Size | 33 MB | 75 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Electric Power Research Institute](https://appshunter.io/developer/489519295) | [Guangdong Meizhi Compressor Co., Ltd.](https://appshunter.io/developer/1441287281) |

## What reviewers say

### CSTARR Digital Assistants

[App page](https://appshunter.io/ios/app/cstarr-digital-assistants/id1548827198)

This app allows nuclear power plant experts to document deteriorating materials with high-resolution photos and detailed notes. It offers features like audio recording and voice-to-text to simplify documentation and enables collaboration by sharing findings with team members.

**Highlights:** High-resolution photo capture, Detailed note documentation, Audio and video recording, Voice-to-text functionality, Collaboration and sharing, Reference EPRI documentation

**Features:** macOS Compatibility

**In-app purchases:** none


### Astech AC

[App page](https://appshunter.io/ios/app/astech-ac/id6475738948)

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

**In-app purchases:** none


## Frequently asked questions

### Is CSTARR Digital Assistants free?

CSTARR Digital Assistants is free to download, with no in-app purchases.

### Is Astech AC free?

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

### Do CSTARR Digital Assistants or Astech AC have ads?

Neither CSTARR Digital Assistants nor Astech AC shows ads.

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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.*