# Slant Gauge vs 03connect

The clearest difference is in-app purchases: 03connect at none against Slant Gauge's 1. 03connect also leads on ads (none vs shown) and update cadence (every 6 days vs every 3 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Slant Gauge sells 1 one-off in-app purchase. 03connect asks for nothing beyond the download.

Slant Gauge ships an update every 3 months, 03connect every 6 days. The most recent releases landed on October 15, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Slant Gauge | 03connect |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 62.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 10 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Isamu Sakamoto](https://appshunter.io/developer/598583811) | [MITSUFUJI CORPORATION](https://appshunter.io/developer/1400109009) |

## What reviewers say

### Slant Gauge

[App page](https://appshunter.io/ios/app/slant-gauge/id598583808)

Measure angles and slopes with a simple digital display that rotates for easy viewing. This tool speaks the angle aloud, aiding in adjustment work. Calibration can improve its accuracy.

**Highlights:** Simple angle and slope measurement, Spoken angle output, Digital display rotates for visibility, Calibration for improved accuracy, Useful for adjustment work

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 角度傾斜計 | $1.99 | one-time |


### 03connect

[App page](https://appshunter.io/ios/app/03connect/id6769222610)

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

**In-app purchases:** none


## Frequently asked questions

### Is Slant Gauge free?

Slant Gauge is free to download, with in-app purchases available.

### Is 03connect free?

03connect is free to download, with no in-app purchases.

### Do Slant Gauge or 03connect have ads?

Slant Gauge shows ads; 03connect does not.

### Which is updated more often, Slant Gauge or 03connect?

Slant Gauge ships an update every 3 months, and 03connect every 6 days. Most recently, Slant Gauge was updated on October 15, 2026 and 03connect on October 6, 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.*