# 321 Countdown vs syly

The clearest difference is in-app purchases: syly at none against 321 Countdown's 1. 321 Countdown's advantage is iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 321 Countdown sells 1 one-off in-app purchase. syly asks for nothing beyond the download.

Both ship on a similar rhythm, roughly daily. The most recent releases landed on October 21, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | 321 Countdown | syly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/321-countdown/id1506518580/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Daily | Daily |
| Monetization | Free | — |
| Size | 38 MB | 44 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Luis Haitzer](https://appshunter.io/developer/1517692760) | [Yashar Alardebili](https://appshunter.io/developer/1761820045) |

## What reviewers say

### 321 Countdown

[App page](https://appshunter.io/ios/app/321-countdown/id1506518580)

Easily track time until important events with custom units and backgrounds. Set reminders and organize upcoming occasions with an intuitive design. Enjoy unlimited countdowns and recurring events without any ads or in-app purchases.

**Highlights:** Unlimited simultaneous countdowns, Recurring events, Individual backgrounds, Reminders for approaching occurrences, Dark mode, Conversions into unique units

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support development | $2.99 | one-time |


### syly

[App page](https://appshunter.io/ios/app/syly/id6618152144)

**In-app purchases:** none


## Frequently asked questions

### Is 321 Countdown free?

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

### Is syly free?

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

### Do 321 Countdown or syly have ads?

Neither 321 Countdown nor syly shows ads.

### Which is updated more often, 321 Countdown or syly?

321 Countdown ships an update daily, and syly daily. Most recently, 321 Countdown was updated on October 21, 2026 and syly on October 9, 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.*