# Millimeter Pro vs NoFold

The clearest difference is price: NoFold at Free against Millimeter Pro's $3.99. NoFold also leads on update cadence (every 6 weeks vs every 4 months). Millimeter Pro's advantage is in-app purchases (none vs 1) and chart position (#186 vs unranked). On ads there is nothing between them.

NoFold is free to download; Millimeter Pro costs $3.99 up front. NoFold sells 1 one-off in-app purchase. Millimeter Pro asks for nothing beyond the download.

Millimeter Pro ships an update every 4 months, NoFold every 6 weeks. Both last shipped on October 24, 2026.

## The numbers

| Metric | Millimeter Pro | NoFold |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | **[4.4 (109 ratings)](https://appshunter.io/ios/app/millimeter-pro-screen-ruler/id631810777/reviews)** | — |
| Number of ratings | **109** | — |
| Positive reviews | 57.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Best chart rank | **#186** | — |
| Size | 24 MB | 1 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) | [通 庞](https://appshunter.io/developer/1896779481) |

## What reviewers say

### Millimeter Pro

[App page](https://appshunter.io/ios/app/millimeter-pro-screen-ruler/id631810777)

**Currently charting:** #186 Top Paid · Utilities (US App Store)

This app transforms your device into a versatile measuring tool. It allows for precise measurements of length, area, diameter, and angles using the touchscreen. Easily split objects into equal parts and switch between millimeters and inches for your convenience.

**Highlights:** Touchscreen ruler and tape measure, Measure length, area, diameter, and angles, Split objects into equal parts, Supports millimeters and inches, Estimate radius, Thread pitch gauge

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

**In-app purchases:** none


### NoFold

[App page](https://appshunter.io/ios/app/nofold/id6774552896)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 不折叠 Pro | $0.99 | one-time |


## Frequently asked questions

### Is Millimeter Pro free?

Millimeter Pro costs $3.99, with no in-app purchases.

### Is NoFold free?

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

### Do Millimeter Pro or NoFold have ads?

Neither Millimeter Pro nor NoFold shows ads.

### Which is updated more often, Millimeter Pro or NoFold?

Millimeter Pro ships an update every 4 months, and NoFold every 6 weeks. Most recently, Millimeter Pro was updated on October 24, 2026 and NoFold on October 24, 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.*