# Countdown Star (Ad vs Atomic Letters

The clearest difference is price: Atomic Letters at Free against Countdown Star (Ad's $1.99. Atomic Letters also leads on review sentiment (100% vs 56%) and rating (5.0 vs 4.7). Countdown Star (Ad's advantage is update cadence (every 2 weeks vs every 61 months) and ratings volume (3.7K vs 2). On ads, in-app purchases and device support there is nothing between them.

Atomic Letters is free to download; Countdown Star (Ad costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Atomic Letters holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Countdown Star (Ad has 3.7K ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 56% of Countdown Star (Ad's written reviews are positive against 100% of Atomic Letters's.

Countdown Star (Ad ships an update every 2 weeks, Atomic Letters every 61 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Countdown Star (Ad | Atomic Letters |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | [4.7 (3.7K ratings)](https://appshunter.io/ios/app/countdown-star-ad-free/id569371565/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/atomic-letters/id925917614/reviews)** |
| Number of ratings | **3.7K** | 2 |
| Positive reviews | 55.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 61 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#54** | — |
| Size | 53 MB | 9 MB |
| Requires iOS | 17.0 | **11.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Joseph Merrill](https://appshunter.io/developer/1099488988) | [Post River Software](https://appshunter.io/developer/325439356) |

## What reviewers say

### Countdown Star (Ad

[App page](https://appshunter.io/ios/app/countdown-star-ad-free/id569371565)

**Currently charting:** #54 Top Paid · Entertainment (US App Store)

Track time until or since important events with customizable timers. Set up countdowns for birthdays, holidays, and vacations, or count up from anniversaries and special dates. Share your event timers with friends and family.

**Highlights:** Add custom events, Customize event visuals, Apple Watch display, Today Widget integration, Set exact event times, Adjust time units, Share event timers

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 💡 Customizable backgrounds
- 🚀 Simple and functional
- 🎨 Nice visual design

**What reviewers complain about**

- 🐛 Unreliable widget functionality
- 🔍 Limited event management options
- 💰 Paid version doesn't import free version data
- 🔧 Lack of customization options

**Reported bugs**

- Custom wallpapers not saving
- Countdown not updating correctly
- Compatibility issues with newer iOS versions
- Notification system not working as expected

**Requested features**

- Recurring event support
- Ability to exclude weekends/holidays from countdown
- Multiple event display on main screen
- Improved widget functionality
- Sync across devices


### Atomic Letters

[App page](https://appshunter.io/ios/app/atomic-letters/id925917614)

Create unique visual representations of names and phrases using elements from the Periodic Table. Personalize your creations with custom fonts, colors, and backgrounds. The app generates high-quality PNG files perfect for various design projects.

**Highlights:** Spell names and phrases with Periodic Table elements, Customize fonts, colors, and backgrounds, Generate PNG files for various uses, Unique name spellings, Personalized design options

**In-app purchases:** none


## Frequently asked questions

### Is Countdown Star (Ad free?

Countdown Star (Ad costs $1.99, with no in-app purchases.

### Is Atomic Letters free?

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

### Which has better reviews, Countdown Star (Ad or Atomic Letters?

Atomic Letters is rated higher. Countdown Star (Ad averages 4.7 out of 5 from 3.7K ratings, while Atomic Letters averages 5.0 from 2 ratings.

### Do Countdown Star (Ad or Atomic Letters have ads?

Neither Countdown Star (Ad nor Atomic Letters shows ads.

### Which is updated more often, Countdown Star (Ad or Atomic Letters?

Countdown Star (Ad ships an update every 2 weeks, and Atomic Letters every 61 months. Most recently, Countdown Star (Ad was updated on November 1, 2026 and Atomic Letters on November 1, 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.*