# withAppData vs HighFinesse/Ångstrom Wavemeter

The clearest difference is ads: HighFinesse/Ångstrom Wavemeter at none against withAppData's shown. HighFinesse/Ångstrom Wavemeter also leads on monetization model (free vs ad-supported). withAppData's advantage is update cadence (every 6 days vs every 3 weeks) and iOS requirement (9.0 vs 12.0). On price, review sentiment, 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.

withAppData ships an update every 6 days, HighFinesse/Ångstrom Wavemeter every 3 weeks. The most recent releases landed on June 7, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | withAppData | HighFinesse/Ångstrom Wavemeter |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 6 days** | Every 3 weeks |
| Monetization | Ad-supported | **Free** |
| Size | 27 MB | 17 MB |
| Requires iOS | **9.0** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kiyotaka Hori](https://appshunter.io/developer/434217041) | [HighFinesse Laser and Electronic Systems GmbH](https://appshunter.io/developer/1572402473) |

## What reviewers say

### withAppData

[App page](https://appshunter.io/ios/app/withappdata/id1219679801)

This app allows users to manage folders and files within their Dropbox account. It supports creating, renaming, moving, copying, and deleting files and folders, as well as downloading and uploading content. The app also offers file viewing for various formats and integration with iTunes for data transfer.

**Highlights:** File and folder management, Create, rename, move, copy, delete, Upload and download files, Multi-select for operations, File viewing for multiple formats, iTunes integration for data transfer, Web browser download functionality

**In-app purchases:** none


### HighFinesse/Ångstrom Wavemeter

[App page](https://appshunter.io/ios/app/highfinesseangstrom-wavemeter/id1572402471)

Monitor pulse and CW-lasers with high accuracy. View wavelength and intensity data for each device channel. Offers an acoustic mode for monitoring when the screen is not visible.

**Highlights:** Pulse and CW-laser monitoring, Wavelength and intensity display, TCP/IP local network connection, Acoustic monitoring mode, Real-time measurement data

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is withAppData free?

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

### Is HighFinesse/Ångstrom Wavemeter free?

HighFinesse/Ångstrom Wavemeter is free to download, with no in-app purchases.

### Do withAppData or HighFinesse/Ångstrom Wavemeter have ads?

withAppData shows ads; HighFinesse/Ångstrom Wavemeter does not.

### Which is updated more often, withAppData or HighFinesse/Ångstrom Wavemeter?

withAppData ships an update every 6 days, and HighFinesse/Ångstrom Wavemeter every 3 weeks. Most recently, withAppData was updated on June 7, 2026 and HighFinesse/Ångstrom Wavemeter on September 9, 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.*