# Jarvis vs Date Countdown Lite

The clearest difference is update cadence: Jarvis at every 3 weeks against Date Countdown Lite's every 2 months. Jarvis also leads on iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Jarvis ships an update every 3 weeks, Date Countdown Lite every 2 months. The most recent releases landed on October 1, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | Jarvis | Date Countdown Lite |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 25 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hai Pham](https://appshunter.io/developer/1568880914) | [袁凯 张](https://appshunter.io/developer/1887716815) |

## What reviewers say

### Jarvis

[App page](https://appshunter.io/ios/app/jarvis-ai-copilot-chat/id6738574080)

**Features:** macOS Compatibility

**In-app purchases:** none


### Date Countdown Lite

[App page](https://appshunter.io/ios/app/date-countdown-lite/id6761487993)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Jarvis free?

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

### Is Date Countdown Lite free?

Date Countdown Lite is free to download, with no in-app purchases.

### Do Jarvis or Date Countdown Lite have ads?

Neither Jarvis nor Date Countdown Lite shows ads.

### Which is updated more often, Jarvis or Date Countdown Lite?

Jarvis ships an update every 3 weeks, and Date Countdown Lite every 2 months. Most recently, Jarvis was updated on October 1, 2026 and Date Countdown Lite on October 5, 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.*