# 70 Degree vs HPK Water

The clearest difference is ads: HPK Water at none against 70 Degree's shown. On price, update cadence, 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.

70 Degree ships an update every 6 months, HPK Water every 4 months. The most recent releases landed on November 2, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | 70 Degree | HPK Water |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.9 (10 ratings)](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 months | **Every 4 months** |
| Monetization | Ad-supported | — |
| Size | 19 MB | 36 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [sekleung chang](https://appshunter.io/developer/867512958) | [HPK TECHNOLOGY AND TRAINING JOINT STOCK COMPANY](https://appshunter.io/developer/1602033988) |

## What reviewers say

### 70 Degree

[App page](https://appshunter.io/ios/app/70-degree-smart-protractor/id1439735699)

This utility app helps you measure angles with your iPhone. It provides notifications when a target angle is reached, with options for visual and auditory alerts.

**Highlights:** Angle degree measurement, Customizable angle alerts, Visual strobe notifications, Auditory alerts, Vibration alerts

**Features:** Vision Pro support

**In-app purchases:** none


### HPK Water

[App page](https://appshunter.io/ios/app/hpk-water/id6736992200)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 70 Degree free?

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

### Is HPK Water free?

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

### Do 70 Degree or HPK Water have ads?

70 Degree shows ads; HPK Water does not.

### Which is updated more often, 70 Degree or HPK Water?

70 Degree ships an update every 6 months, and HPK Water every 4 months. Most recently, 70 Degree was updated on November 2, 2026 and HPK Water on October 27, 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.*