# Metric Converters vs ASTROTIMER

The clearest difference is price: ASTROTIMER at Free against Metric Converters's $0.99. ASTROTIMER also leads on update cadence (every 6 days vs every 38 months). Metric Converters's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support and iOS requirement there is nothing between them.

ASTROTIMER is free to download; Metric Converters costs $0.99 up front. ASTROTIMER sells 1 one-off in-app purchase. Metric Converters asks for nothing beyond the download.

Metric Converters ships an update every 38 months, ASTROTIMER every 6 days. The most recent releases landed on November 3, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Metric Converters | ASTROTIMER |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 38 months | **Every 6 days** |
| Size | 20 MB | 6 MB |
| Requires iOS | **14.1** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | +4 | 4+ |
| Developer | [H Valeur](https://appshunter.io/developer/621824042) | [Takashi Tsunoda](https://appshunter.io/developer/1884742586) |

## What reviewers say

### Metric Converters

[App page](https://appshunter.io/ios/app/metric-converters/id1570182170)

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

**In-app purchases:** none


### ASTROTIMER

[App page](https://appshunter.io/ios/app/astrotimer/id6761328042)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


## Frequently asked questions

### Is Metric Converters free?

Metric Converters costs $0.99, with no in-app purchases.

### Is ASTROTIMER free?

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

### Do Metric Converters or ASTROTIMER have ads?

ASTROTIMER shows ads; Metric Converters does not.

### Which is updated more often, Metric Converters or ASTROTIMER?

Metric Converters ships an update every 38 months, and ASTROTIMER every 6 days. Most recently, Metric Converters was updated on November 3, 2026 and ASTROTIMER on October 31, 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.*