# NDT Work Log vs Data XL Mobile

The clearest difference is rating: Data XL Mobile at 5.0 against NDT Work Log's 3.5. Data XL Mobile also leads on in-app purchases (none vs 2). NDT Work Log's advantage is update cadence (every 4 months vs every 29 months) and ratings volume (6 vs 1). On price, ads and device support there is nothing between them.

Both are free to download. NDT Work Log sells 1 in-app purchase, starting at $14.99 per year. Data XL Mobile asks for nothing beyond the download.

Data XL Mobile holds the better App Store score, 5.0 against 3.5. That said, the two scores are not equally well evidenced: NDT Work Log has 6 ratings behind it against 1, so its average is the more settled of the two.

NDT Work Log ships an update every 4 months, Data XL Mobile every 29 months. The most recent releases landed on September 16, 2026 and July 20, 2026 respectively.

## The numbers

| Metric | NDT Work Log | Data XL Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (6 ratings)](https://appshunter.io/ios/app/ndt-work-log/id1440628096/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/data-xl-mobile/id1571089107/reviews)** |
| Number of ratings | **6** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 29 months |
| Monetization | Subscription | **Free** |
| Size | 23 MB | 5 MB |
| Requires iOS | **13.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [MID AMERICA TESTING LLC](https://appshunter.io/developer/1440628095) | [Danatronincs Corp](https://appshunter.io/developer/1571089109) |

## What reviewers say

### NDT Work Log

[App page](https://appshunter.io/ios/app/ndt-work-log/id1440628096)

This app simplifies tracking work experience hours for non-destructive testing professionals. It allows users to log entries for 11 NDT methods, attach details like pictures and work orders, and automatically calculates progress towards certification requirements. Reports can be generated and shared in various formats.

**Highlights:** Log work experience for 11 NDT methods, Add photos, work orders, and notes to entries, Automatically track progress towards certification, Generate reports in PDF, Excel, and Text formats, Share reports via email

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| App Access Subscription | $14.99 | per year |


### Data XL Mobile

[App page](https://appshunter.io/ios/app/data-xl-mobile/id1571089107)

This application facilitates data transfer between your iOS device and specific Danatronics ECHO and MTG-99 gages. Users can manage files, transfer data, and view live readings directly from their mobile device.

**Highlights:** Connects to Danatronics ECHO and MTG-99 gages, Enables data transfer, Create, transfer, and review files, View live mode readings, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is NDT Work Log free?

NDT Work Log is free to download, with in-app purchases available.

### Is Data XL Mobile free?

Data XL Mobile is free to download, with no in-app purchases.

### Which has better reviews, NDT Work Log or Data XL Mobile?

Data XL Mobile is rated higher. NDT Work Log averages 3.5 out of 5 from 6 ratings, while Data XL Mobile averages 5.0 from 1 ratings.

### Do NDT Work Log or Data XL Mobile have ads?

Neither NDT Work Log nor Data XL Mobile shows ads.

### Which is updated more often, NDT Work Log or Data XL Mobile?

NDT Work Log ships an update every 4 months, and Data XL Mobile every 29 months. Most recently, NDT Work Log was updated on September 16, 2026 and Data XL Mobile on July 20, 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.*