# Chrona vs Exact Seconds

The clearest difference is in-app purchases: Exact Seconds at none against Chrona's 1. Exact Seconds also leads on update cadence (every 2 weeks vs every 3 months) and iOS requirement (17.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Chrona sells 1 one-off in-app purchase. Exact Seconds asks for nothing beyond the download.

Chrona ships an update every 3 months, Exact Seconds every 2 weeks. The most recent releases landed on October 8, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Chrona | Exact Seconds |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (7 ratings)](https://appshunter.io/ios/app/exact-seconds/id6782631455/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | — | Free |
| Size | 1 MB | 7 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [永 张](https://appshunter.io/developer/1806535769) | [Vagram Malkhasian](https://appshunter.io/developer/1896762232) |

## What reviewers say

### Chrona

[App page](https://appshunter.io/ios/app/chrona-age-calculator/id6782275768)

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

**In-app purchases (1)**

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


### Exact Seconds

[App page](https://appshunter.io/ios/app/exact-seconds/id6782631455)

This utility displays the current time with second-level precision, offering a large, readable clock and customizable widgets for your home and lock screens. It's designed for situations where exact timing is crucial, providing a clean and focused experience without ads or tracking.

**Highlights:** Large in-app clock with live seconds, Home Screen widget with live seconds, Lock Screen widget with live seconds, Customizable widget appearance, Multiple in-app clock colors, Optional in-app date display

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

**In-app purchases:** none


## Frequently asked questions

### Is Chrona free?

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

### Is Exact Seconds free?

Exact Seconds is free to download, with no in-app purchases.

### Do Chrona or Exact Seconds have ads?

Neither Chrona nor Exact Seconds shows ads.

### Which is updated more often, Chrona or Exact Seconds?

Chrona ships an update every 3 months, and Exact Seconds every 2 weeks. Most recently, Chrona was updated on October 8, 2026 and Exact Seconds 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.*