# 70 Degree vs D&L Environment Control

The clearest difference is ads: D&L Environment Control at none against 70 Degree's shown. D&L Environment Control also leads on update cadence (monthly vs every 6 months). 70 Degree's advantage is iOS requirement (12.0 vs 15.6). On price, 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, D&L Environment Control monthly. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | 70 Degree | D&L Environment Control |
| --- | --- | --- |
| 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 | **Monthly** |
| Monetization | Ad-supported | — |
| Size | 19 MB | 45 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sekleung chang](https://appshunter.io/developer/867512958) | [TAT THANG LE](https://appshunter.io/developer/1870058912) |

## 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


### D&L Environment Control

[App page](https://appshunter.io/ios/app/d-and-l-environment-control/id6758744702)

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

**In-app purchases:** none


## Frequently asked questions

### Is 70 Degree free?

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

### Is D&L Environment Control free?

D&L Environment Control is free to download, with no in-app purchases.

### Do 70 Degree or D&L Environment Control have ads?

70 Degree shows ads; D&L Environment Control does not.

### Which is updated more often, 70 Degree or D&L Environment Control?

70 Degree ships an update every 6 months, and D&L Environment Control monthly. Most recently, 70 Degree was updated on October 7, 2026 and D&L Environment Control on October 28, 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.*