# AutoSilent vs Millimeter Pro

The clearest difference is price: AutoSilent at Free against Millimeter Pro's $3.99. AutoSilent also leads on update cadence (every 3 weeks vs every 4 months) and iOS requirement (12.0 vs 15.0). Millimeter Pro's advantage is rating (4.4 vs 3.6) and in-app purchases (none vs 1). On ratings volume, ads and device support there is nothing between them.

AutoSilent is free to download; Millimeter Pro costs $3.99 up front. AutoSilent sells 1 in-app purchase, starting at $1.99 per month. Millimeter Pro asks for nothing beyond the download.

Millimeter Pro holds the better App Store score, 4.4 against 3.6. Both are backed by a comparable volume of ratings — 184 and 109 respectively. Written reviews point the same way: 42% of AutoSilent's written reviews are positive against 58% of Millimeter Pro's.

AutoSilent ships an update every 3 weeks, Millimeter Pro every 4 months. The most recent releases landed on October 23, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | AutoSilent | Millimeter Pro |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [3.6 (184 ratings)](https://appshunter.io/ios/app/autosilent/id474777148/reviews) | **[4.4 (109 ratings)](https://appshunter.io/ios/app/millimeter-pro-screen-ruler/id631810777/reviews)** |
| Number of ratings | **184** | 109 |
| Positive reviews | 42.1% of reviews | **57.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | — | **#198** |
| Size | 25 MB | 24 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Niv Gutherz](https://appshunter.io/developer/386496354) | [VisTech.Projects LLC](https://appshunter.io/developer/620969851) |

## What reviewers say

### AutoSilent

[App page](https://appshunter.io/ios/app/autosilent/id474777148)

This app automatically silences your iPhone or iPad during scheduled meetings, at specific locations, or at set times. It seamlessly integrates with your calendar and location services to manage your device's ringer, ensuring you're never disturbed or embarrassed by notifications in inappropriate situations. It can also automatically unmute your device when the event concludes.

**Highlights:** Automatic silencing for calendar events, Location-based silencing, Scheduled silencing, Automatic unmuting, Calendar synchronization, Customizable silent event criteria

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AutoSilent Premium Features | $1.99 | per month |

**What reviewers like**

- 🚀 Powerful scheduling and automation
- ⏱️ Convenient timer functionality
- 📆 Integrates with calendar events
- 🔕 Silences phone during meetings/events

**What reviewers complain about**

- 🔋 High battery drain due to location tracking
- 💰 Subscription model for existing users
- 🤔 Confusing or unintuitive interface
- 🐛 Unreliable or inconsistent behavior

**Reported bugs**

- Silencing not working as expected
- Constant notifications/alerts from the app
- Losing custom settings after updates

**Requested features**

- Ability to selectively silence contacts/numbers
- Master on/off switch for easier deactivation
- More flexible scheduling options (e.g. overnight)
- Improved integration with iOS Focus mode


### Millimeter Pro

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

**Currently charting:** #198 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


## Frequently asked questions

### Is AutoSilent free?

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

### Is Millimeter Pro free?

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

### Which has better reviews, AutoSilent or Millimeter Pro?

Millimeter Pro is rated higher. AutoSilent averages 3.6 out of 5 from 184 ratings, while Millimeter Pro averages 4.4 from 109 ratings.

### Do AutoSilent or Millimeter Pro have ads?

Neither AutoSilent nor Millimeter Pro shows ads.

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

AutoSilent ships an update every 3 weeks, and Millimeter Pro every 4 months. Most recently, AutoSilent was updated on October 23, 2026 and Millimeter Pro on November 1, 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.*