# Rainbow Countdown vs Countdown Builder

The clearest difference is iOS requirement: Rainbow Countdown at 10.3 against Countdown Builder's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Rainbow Countdown costs $0.99 and Countdown Builder $0.99 up front. Rainbow Countdown sells 3 one-off in-app purchases and Countdown Builder sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Rainbow Countdown ships an update every 3 weeks, Countdown Builder every 2 weeks. The most recent releases landed on September 24, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Rainbow Countdown | Countdown Builder |
| --- | --- | --- |
| Price | $0.99 | $0.99 |
| Rating | **[4.3 (13 ratings)](https://appshunter.io/ios/app/rainbow-countdown/id1436797708/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 11 MB |
| Requires iOS | **10.3** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [希 陈](https://appshunter.io/developer/1353019342) | [Kalavathi Ekambaram](https://appshunter.io/developer/912222873) |

## What reviewers say

### Rainbow Countdown

[App page](https://appshunter.io/ios/app/rainbow-countdown/id1436797708)

This app helps you manage your time with a visually appealing and minimalist countdown tool. It offers quick actions for managing events, secure encryption, and customizable reminders to make the most of your fragmented time.

**Highlights:** Quick delete and edit gestures, 3DTouch one-click countdown, FaceID encryption, Dropdown shortcut for new countdowns, Local notification reminders, Multiple notification ringtones, Background countdown support

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 请彩虹倒计时的作者喝一杯饮料 | $0.99 | one-time |
| 请彩虹倒计时的作者吃一个老冰棍 | $0.99 | one-time |
| 彩虹倒计时去广告 | $0.99 | one-time |


### Countdown Builder

[App page](https://appshunter.io/ios/app/countdown-builder/id6745096791)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| EventCountdown Premium | $0.99 | one-time |


## Frequently asked questions

### Is Rainbow Countdown free?

Rainbow Countdown costs $0.99, and also offers in-app purchases.

### Is Countdown Builder free?

Countdown Builder costs $0.99, and also offers in-app purchases.

### Do Rainbow Countdown or Countdown Builder have ads?

Both Rainbow Countdown and Countdown Builder show ads.

### Which is updated more often, Rainbow Countdown or Countdown Builder?

Rainbow Countdown ships an update every 3 weeks, and Countdown Builder every 2 weeks. Most recently, Rainbow Countdown was updated on September 24, 2026 and Countdown Builder on September 29, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*