# Countdown Timer vs Sienergy app

The clearest difference is review sentiment: Countdown Timer at 60% against Sienergy app's 0%. Countdown Timer also leads on rating (4.5 vs 1.0) and ratings volume (1.5K vs 9). Sienergy app's advantage is in-app purchases (none vs 10) and ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Countdown Timer sells 8 in-app purchases, starting at $0.99 per 7 days. Sienergy app asks for nothing beyond the download.

Countdown Timer holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: Countdown Timer has 1.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews point the same way: 60% of Countdown Timer's written reviews are positive against 0% of Sienergy app's.

Countdown Timer ships an update every 3 weeks, Sienergy app every 6 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Countdown Timer | Sienergy app |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (1.5K ratings)](https://appshunter.io/ios/app/countdown-timer-clock-widget/id1123159300/reviews)** | [1.0 (9 ratings)](https://appshunter.io/ios/app/sienergy-app/id6468079074/reviews) |
| Number of ratings | **1.5K** | 9 |
| Positive reviews | **60.1% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 103 MB | 41 MB |
| Requires iOS | 16.1 | **15.1** |
| Devices | iPhone, iPad, Apple TV | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ZipoApps](https://appshunter.io/developer/1671444635) | [Sienergy S.R.L.](https://appshunter.io/developer/1892326818) |

## What reviewers say

### Countdown Timer

[App page](https://appshunter.io/ios/app/countdown-timer-clock-widget/id1123159300)

Track upcoming events and past memories with a simple, elegant timer. Count down to special occasions or count up from significant dates. Enjoy a distraction-free interface and seamless syncing across Apple devices.

**Highlights:** Countdown to future events, Count up from past events, Minimalistic and intuitive interface, Track birthdays, holidays, and deadlines, Syncs across Apple devices

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $0.99 | per 7 days |
| Unlimited access | $6.99 | per 7 days |
| Unlimited access | $8.99 | per 7 days |
| Unlimited access | $19.99 | per year |
| Unlimited access | $29.99 | per year |
| Unlimited access | $39.99 | per year |
| Unlimited access | $49.99 | per year |
| Remove Ads | $1.95 | one-time |


### Sienergy app

[App page](https://appshunter.io/ios/app/sienergy-app/id6468079074)

Manage your energy and gas utility account with the official application. Submit meter readings and access other account management features conveniently.

**Highlights:** Manage energy and gas utility accounts, Submit meter readings, Access account information, Official utility app

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

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Timer free?

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

### Is Sienergy app free?

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

### Which has better reviews, Countdown Timer or Sienergy app?

Countdown Timer is rated higher. Countdown Timer averages 4.5 out of 5 from 1.5K ratings, while Sienergy app averages 1.0 from 9 ratings.

### Do Countdown Timer or Sienergy app have ads?

Countdown Timer shows ads; Sienergy app does not.

### Which is updated more often, Countdown Timer or Sienergy app?

Countdown Timer ships an update every 3 weeks, and Sienergy app every 6 weeks. Most recently, Countdown Timer was updated on November 6, 2026 and Sienergy app on November 3, 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.*