# Countdown  ‎ vs Solar Booster

The clearest difference is in-app purchases: Solar Booster at none against Countdown  ‎'s 5. Solar Booster also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Countdown  ‎ sells 5 in-app purchases, starting at $4.99 per 3 months. Solar Booster asks for nothing beyond the download.

Countdown  ‎ ships an update every 2 months, Solar Booster every 3 weeks. The most recent releases landed on October 12, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Countdown  ‎ | Solar Booster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (11K ratings)](https://appshunter.io/ios/app/countdown/id424216726/reviews)** | — |
| Number of ratings | **11K** | — |
| Positive reviews | 33.9% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 80 MB | 33 MB |
| Requires iOS | 17.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sevenlogics, Inc.](https://appshunter.io/developer/346249545) | [SolrBoost Pty Ltd](https://appshunter.io/developer/1667247561) |

## What reviewers say

### Countdown  ‎

[App page](https://appshunter.io/ios/app/countdown/id424216726)

Visually track upcoming events with customizable countdowns. Set timers for vacations, concerts, or anniversaries using your own photos, music, and phrases. Share your progress with friends and family.

**Highlights:** iOS 16 Lock Screen Widgets, Home Screen Widgets, Customizable Background Photos, Personalized Music & Fonts, Calendar Event Integration, Count Up from Past Events, Event Reminders

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Countdown Premium - 3 Months | $4.99 | per 3 months |
| Countdown Premium - Yearly | $14.99 | per year |
| Premium Backgrounds I | $0.99 | one-time |
| Holiday Backgrounds I | $0.99 | one-time |
| Premium | $19.99 | one-time |

**What reviewers like**

- 💖 Countdown app with customization
- 🎨 Ability to use own photos
- ⏱️ Counts down in various units
- 🎉 Exciting for upcoming events

**What reviewers complain about**

- 🔒 Premium features locked behind paywall
- 📢 Excessive ads and pop-ups
- 🐛 Bugs and glitches
- 🔄 Resets countdown settings
- 📱 Widget not working as expected

**Reported bugs**

- App crashes on opening
- Countdown not displaying correctly
- Widget not loading properly
- Purchased premium features not working

**Requested features**

- Ability to have multiple countdowns
- Option to repeat countdown events
- Countdown widget on home screen
- Improved sharing capabilities


### Solar Booster

[App page](https://appshunter.io/ios/app/solar-booster/id6450875830)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Countdown  ‎ free?

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

### Is Solar Booster free?

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

### Do Countdown  ‎ or Solar Booster have ads?

Countdown  ‎ shows ads; Solar Booster does not.

### Which is updated more often, Countdown  ‎ or Solar Booster?

Countdown  ‎ ships an update every 2 months, and Solar Booster every 3 weeks. Most recently, Countdown  ‎ was updated on October 12, 2026 and Solar Booster on October 11, 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.*