# Date Radar Countdown Stopwatch vs Date Calculator ±

The clearest difference is in-app purchases: Date Calculator ± at none against Date Radar Countdown Stopwatch's 3. Date Calculator ± also leads on update cadence (daily vs every 5 days) and device support (3 vs 1). Date Radar Countdown Stopwatch's advantage is iOS requirement (17.0 vs 26.0). On price and ads 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. Date Calculator ± asks for nothing beyond the download.

Date Radar Countdown Stopwatch ships an update every 5 days, Date Calculator ± daily. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Date Radar Countdown Stopwatch | Date Calculator ± |
| --- | --- | --- |
| 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 | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 7 MB | 2 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Jin Yu](https://appshunter.io/developer/1054838879) | [Grifia](https://appshunter.io/developer/581000088) |

## 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 |


### Date Calculator ±

[App page](https://appshunter.io/ios/app/date-calculator/id6789755161)

**Features:** Vision Pro support

**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 Date Calculator ± free?

Date Calculator ± is free to download, with no in-app purchases.

### Do Date Radar Countdown Stopwatch or Date Calculator ± have ads?

Neither Date Radar Countdown Stopwatch nor Date Calculator ± shows ads.

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

Date Radar Countdown Stopwatch ships an update every 5 days, and Date Calculator ± daily. Most recently, Date Radar Countdown Stopwatch was updated on October 4, 2026 and Date Calculator ± on September 29, 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.*