# HP arms vs Digipas Smart Levels

The clearest difference is in-app purchases: HP arms at none against Digipas Smart Levels's 3. Digipas Smart Levels's advantage is update cadence (weekly vs every 6 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Digipas Smart Levels sells 3 one-off in-app purchases. HP arms asks for nothing beyond the download.

HP arms ships an update every 6 months, Digipas Smart Levels weekly. The most recent releases landed on October 28, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | HP arms | Digipas Smart Levels |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (283 ratings)](https://appshunter.io/ios/app/digipas-smart-levels/id1483155652/reviews)** |
| Number of ratings | — | **283** |
| Positive reviews | — | 31.6% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Weekly** |
| Monetization | — | Free with in-app purchases |
| Size | 45 MB | 188 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Renishaw plc](https://appshunter.io/developer/943016056) | [JSB Tech](https://appshunter.io/developer/1062517704) |

## What reviewers say

### HP arms

[App page](https://appshunter.io/ios/app/hp-arms/id1441014006)

**Features:** macOS Compatibility

**In-app purchases:** none


### Digipas Smart Levels

[App page](https://appshunter.io/ios/app/digipas-smart-levels/id1483155652)

This app enhances the functionality of 2-Axis Digital Machinist Levels. It enables wireless Bluetooth connectivity for simultaneous 2-Axis leveling, angle measurement, and 2D alignment. Perform precision tasks efficiently with a single operator.

**Highlights:** Wireless Bluetooth connectivity, 2-Axis simultaneous leveling, Angle measurement, 2D concurrent alignment, 360Degree Smart Bubble functionality, One-man operation for leveling tasks

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DWL90pro Unlocked App | $4.99 | one-time |
| DWL1300/1500 Unlocked App | $17.99 | one-time |
| Precision Level Access | $24.99 | one-time |


## Frequently asked questions

### Is HP arms free?

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

### Is Digipas Smart Levels free?

Digipas Smart Levels is free to download, with in-app purchases available.

### Do HP arms or Digipas Smart Levels have ads?

Neither HP arms nor Digipas Smart Levels shows ads.

### Which is updated more often, HP arms or Digipas Smart Levels?

HP arms ships an update every 6 months, and Digipas Smart Levels weekly. Most recently, HP arms was updated on October 28, 2026 and Digipas Smart Levels on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*