# Level gauge vs Simple Double Memo

The clearest difference is price: Level gauge at Free against Simple Double Memo's $2.99. Level gauge also leads on iOS requirement (15.0 vs 17.6). Simple Double Memo's advantage is ads (none vs shown) and update cadence (every 4 months vs every 9 months). On review sentiment, in-app purchases and device support there is nothing between them.

Level gauge is free to download; Simple Double Memo costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Level gauge ships an update every 9 months, Simple Double Memo every 4 months. Both last shipped on October 15, 2026.

## The numbers

| Metric | Level gauge | Simple Double Memo |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.6 (12 ratings)](https://appshunter.io/ios/app/level-gauge/id558393386/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 93.6% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 9 months | **Every 4 months** |
| Monetization | **Ad-supported** | Paid |
| Size | 16 MB | 3 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tatsuki](https://appshunter.io/developer/558393529) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### Level gauge

[App page](https://appshunter.io/ios/app/level-gauge/id558393386)

This intuitive tool allows you to measure angles and levels in multiple orientations. It offers high precision with smooth movement and includes calibration and hold functions for stable readings. Customize its appearance while enjoying its powerful yet simple design.

**Highlights:** Measure horizontal, vertical, and flat angles, High precision measurements, Smooth and stable readings, Calibration function, Hold function, Customizable appearance

**Features:** Vision Pro support

**In-app purchases:** none


### Simple Double Memo

[App page](https://appshunter.io/ios/app/simple-double-memo/id6755015163)

This app allows you to write and manage two memos simultaneously on a single screen, either stacked vertically or side-by-side horizontally. It automatically adjusts the layout based on your device's orientation, making it ideal for comparisons or managing multiple ideas.

**Highlights:** Two-panel memo structure (vertical & horizontal), Automatic layout switching with screen rotation, Save memos with titles and update dates, Edit, delete, and reorder memos, Search function for titles and content, No ads or in-app purchases

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

**In-app purchases:** none


## Frequently asked questions

### Is Level gauge free?

Level gauge is free to download, with no in-app purchases.

### Is Simple Double Memo free?

Simple Double Memo costs $2.99, with no in-app purchases.

### Do Level gauge or Simple Double Memo have ads?

Level gauge shows ads; Simple Double Memo does not.

### Which is updated more often, Level gauge or Simple Double Memo?

Level gauge ships an update every 9 months, and Simple Double Memo every 4 months. Most recently, Level gauge was updated on October 15, 2026 and Simple Double Memo on October 15, 2026.

---

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