# Dreadnought Tachymeter vs Owlculator

The clearest difference is in-app purchases: Dreadnought Tachymeter at none against Owlculator's 1. Dreadnought Tachymeter also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Owlculator sells 1 one-off in-app purchase. Dreadnought Tachymeter asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 4 days. The most recent releases landed on October 6, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Dreadnought Tachymeter | Owlculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/dreadnought-tachymeter/id6759676313/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | Every 4 days |
| Monetization | Free | — |
| Size | 2 MB | 2 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [AARON L SHURTLEFF](https://appshunter.io/developer/1880141065) | [Fishington Studios](https://appshunter.io/developer/344044425) |

## What reviewers say

### Dreadnought Tachymeter

[App page](https://appshunter.io/ios/app/dreadnought-tachymeter/id6759676313)

This minimalist stopwatch instantly converts elapsed time into your rate per hour. Track laps, tasks, or any unit of time without manual calculations. Ideal for runners, cyclists, and productivity tracking.

**Highlights:** Instant pace conversion, Minimalist design, No accounts or setup required, Track any unit of time, Ideal for running, cycling, and productivity

**In-app purchases:** none


### Owlculator

[App page](https://appshunter.io/ios/app/owlculator-math-notes/id6761601067)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade to Pro | $4.99 | one-time |


## Frequently asked questions

### Is Dreadnought Tachymeter free?

Dreadnought Tachymeter is free to download, with no in-app purchases.

### Is Owlculator free?

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

### Do Dreadnought Tachymeter or Owlculator have ads?

Neither Dreadnought Tachymeter nor Owlculator shows ads.

### Which is updated more often, Dreadnought Tachymeter or Owlculator?

Dreadnought Tachymeter ships an update every 4 days, and Owlculator every 4 days. Most recently, Dreadnought Tachymeter was updated on October 6, 2026 and Owlculator on October 15, 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.*