# Rainbow Countdown vs 闪词卡

The clearest difference is review sentiment: 闪词卡 at 100% against Rainbow Countdown's 33%. 闪词卡 also leads on ads (none vs shown). Rainbow Countdown's advantage is update cadence (every 3 weeks vs every 4 months) and iOS requirement (10.3 vs 16.6). On price, in-app purchases and device support there is nothing between them.

Rainbow Countdown costs $0.99 and 闪词卡 $0.99 up front. Rainbow Countdown sells 3 one-off in-app purchases and 闪词卡 sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Rainbow Countdown ships an update every 3 weeks, 闪词卡 every 4 months. The most recent releases landed on October 11, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Rainbow Countdown | 闪词卡 |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Size | 46 MB | 90 MB |
| Requires iOS | **10.3** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [希 陈](https://appshunter.io/developer/1353019342) | [昶伟 朱](https://appshunter.io/developer/1572056897) |

## 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 |


### 闪词卡

[App page](https://appshunter.io/ios/app/id1588259561)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $0.99 | per month |
| 季度订阅 | $2.99 | per 3 months |
| 终身会员 | $3.99 | one-time |


## Frequently asked questions

### Is Rainbow Countdown free?

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

### Is 闪词卡 free?

闪词卡 costs $0.99, and also offers in-app purchases.

### Do Rainbow Countdown or 闪词卡 have ads?

Rainbow Countdown shows ads; 闪词卡 does not.

### Which is updated more often, Rainbow Countdown or 闪词卡?

Rainbow Countdown ships an update every 3 weeks, and 闪词卡 every 4 months. Most recently, Rainbow Countdown was updated on October 11, 2026 and 闪词卡 on October 6, 2026.

---

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