# Winder vs Air Ruler

The clearest difference is price: Winder at Free against Air Ruler's $0.99. Air Ruler's advantage is iOS requirement (17.6 vs 26.2). On ads, in-app purchases and device support there is nothing between them.

Winder is free to download; Air Ruler costs $0.99 up front. Winder sells 1 one-off in-app purchase and Air Ruler sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Winder | Air Ruler |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/winder-precision-clock/id6749173558/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 15 MB | 7 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [IVAN ALEJANDRO MUNGUIA CRUZ](https://appshunter.io/developer/1829095431) | [乐祥 胡](https://appshunter.io/developer/1572365721) |

## What reviewers say

### Winder

[App page](https://appshunter.io/ios/app/winder-precision-clock/id6749173558)

This app provides highly accurate time synchronization with atomic time servers. It features beautifully crafted, animated watch dials and optional sound cues for precise timekeeping. Designed for watch enthusiasts, it prioritizes privacy with no data collection.

**Highlights:** Atomic time synchronization (NTP), Drift strip for device offset, Continuous-sweep second hand, Analog and digital display options, 12 handcrafted, animated dial themes, Optional countdown sound cues, No data collection or tracking

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Winder Pro | $4.99 | one-time |


### Air Ruler

[App page](https://appshunter.io/ios/app/air-ruler-objects-measure/id6763083628)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ruler Premium - 30days | $2.99 | per month |
| Ruler premium - yearly | $8.99 | per year |
| Ruler Premium - lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Winder free?

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

### Is Air Ruler free?

Air Ruler costs $0.99, and also offers in-app purchases.

### Do Winder or Air Ruler have ads?

Neither Winder nor Air Ruler shows ads.

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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.*