# Professional Studio Flash HS Freeze 6 vs ND+Timer

The clearest difference is review sentiment: Professional Studio Flash HS Freeze 6 at 100% against ND+Timer's 60%. Professional Studio Flash HS Freeze 6 also leads on in-app purchases (none vs 1) and iOS requirement (8.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. ND+Timer sells 1 one-off in-app purchase. Professional Studio Flash HS Freeze 6 asks for nothing beyond the download.

## The numbers

| Metric | Professional Studio Flash HS Freeze 6 | ND+Timer |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 60.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 7 MB | 9 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Rollei GmbH & Co. KG](https://appshunter.io/developer/658176679) | [Tobias Ullerich](https://appshunter.io/developer/1475365559) |

## What reviewers say

### Professional Studio Flash HS Freeze 6

[App page](https://appshunter.io/ios/app/professional-studio-flash-hs-freeze-6/id1276983046)

Control professional studio flashes remotely with this app. Adjust flash power, modes, and settings like High Speed Sync and modeling lamps. Save up to 15 custom studio setups for quick recall.

**Highlights:** Remote flash power adjustment, Switch between TTL and Manual modes, Control RATIO mode, Enable/disable High Speed Sync, Toggle modeling lamp, Save up to 15 studio setups

**In-app purchases:** none


### ND+Timer

[App page](https://appshunter.io/ios/app/nd-plus-timer/id1534477340)

This app helps photographers determine correct exposure times for long exposure shots using ND filters. It includes a timer to capture the perfect moment and offers pro features through in-app purchases for enhanced functionality.

**Highlights:** Exposure time calculation with ND filters, Integrated timer for capturing moments, Notifications while device is locked, Dark mode (Pro feature), Lock screen widget with running timer (Pro feature), Dynamic Island support (Pro feature), Automatic exposure computation for multiple filters (Pro feature)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ND+Timer Pro | $1.99 | one-time |


## Frequently asked questions

### Is Professional Studio Flash HS Freeze 6 free?

Professional Studio Flash HS Freeze 6 is free to download, with no in-app purchases.

### Is ND+Timer free?

ND+Timer is free to download, with in-app purchases available.

### Do Professional Studio Flash HS Freeze 6 or ND+Timer have ads?

Neither Professional Studio Flash HS Freeze 6 nor ND+Timer 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.*