# ChronoNano vs Span

The clearest difference is in-app purchases: ChronoNano at none against Span's 1. ChronoNano also leads on update cadence (every 5 days vs every 2 weeks) and iOS requirement (18.6 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. Span sells 1 one-off in-app purchase. ChronoNano asks for nothing beyond the download.

ChronoNano ships an update every 5 days, Span every 2 weeks. The most recent releases landed on October 8, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | ChronoNano | Span |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (8 ratings)](https://appshunter.io/ios/app/span-countdown-and-time-tracker/id6759741231/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | — | Free |
| Size | 6 MB | 6 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Saeed Alshamsi](https://appshunter.io/developer/1843100835) | [Shamir Wehbe](https://appshunter.io/developer/1880462508) |

## What reviewers say

### ChronoNano

[App page](https://appshunter.io/ios/app/chrononano/id6753213952)

**Features:** macOS Compatibility

**In-app purchases:** none


### Span

[App page](https://appshunter.io/ios/app/span-countdown-and-time-tracker/id6759741231)

Track upcoming events with live countdowns or elapsed time since past moments. Log daily habits, discover patterns, and explore historical events with rich media. Organize and share your time-related data seamlessly.

**Highlights:** Live second-by-second countdowns, Elapsed time tracking, Habit and routine logging, Historical 'On This Day' events, Customizable widgets, Shareable event cards, iCloud backup and sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Span Pro | $1.99 | one-time |


## Frequently asked questions

### Is ChronoNano free?

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

### Is Span free?

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

### Do ChronoNano or Span have ads?

Neither ChronoNano nor Span shows ads.

### Which is updated more often, ChronoNano or Span?

ChronoNano ships an update every 5 days, and Span every 2 weeks. Most recently, ChronoNano was updated on October 8, 2026 and Span 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.*