# Date Radar Countdown Stopwatch vs ChronoNano

The clearest difference is in-app purchases: ChronoNano at none against Date Radar Countdown Stopwatch's 3. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Date Radar Countdown Stopwatch sells 3 in-app purchases, starting at $0.29 per 3 months. ChronoNano asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on October 4, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Date Radar Countdown Stopwatch | ChronoNano |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/date-radar-countdown-stopwatch/id6463448697/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 6 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Jin Yu](https://appshunter.io/developer/1054838879) | [Saeed Alshamsi](https://appshunter.io/developer/1843100835) |

## What reviewers say

### Date Radar Countdown Stopwatch

[App page](https://appshunter.io/ios/app/date-radar-countdown-stopwatch/id6463448697)

Easily store significant dates and calculate the time elapsed since or until them. This utility helps you keep track of important events and milestones.

**Highlights:** Store important dates, Calculate ages, Long-term timers, Event tracking

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 month | $0.29 | per 3 months |
| 1 Year | $0.99 | per year |
| Coffee sponsor | $6.99 | one-time |


### ChronoNano

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Date Radar Countdown Stopwatch free?

Date Radar Countdown Stopwatch is free to download, with in-app purchases available.

### Is ChronoNano free?

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

### Do Date Radar Countdown Stopwatch or ChronoNano have ads?

Neither Date Radar Countdown Stopwatch nor ChronoNano shows ads.

### Which is updated more often, Date Radar Countdown Stopwatch or ChronoNano?

Date Radar Countdown Stopwatch ships an update every 5 days, and ChronoNano every 5 days. Most recently, Date Radar Countdown Stopwatch was updated on October 4, 2026 and ChronoNano on October 8, 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.*