Comparison

Rainbow Countdown vs Countdown Builder

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Rainbow Countdown

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
Read full description

Rainbow countdown, Rainbow~ a minimalist high appearance level cute countdown App. Plan your time and make the most of all your fragmented time. Thank you very much for your choice, your support, rainbow countdown will continue to optimize. The current "rainbow countdown" features * quick delete left slide, right slide into edit mode, sort as you like. * supports 3DTouch one-click countdown. * supports FaceID encryption. * support the main interface drop-down shortcut to create a countdown. * support for local notification reminders. * supports multiple notification ringtones. * program in the background still support countdown. * recommended by [Price Tag] * recommended by minority * recommended by [AppSo] You are welcome to give feedback in the comments or App.

About

Countdown Builder

Features
Read full description

Countdown Builder- Beautiful Event Countdowns Never miss another important moment with Countdown Builder Track birthdays, holidays, deadlines, trips, and all your important dates with beautiful, customizable countdowns. Whether it's a wedding day, vacation, project deadline, or just counting down to the weekend – Countdown Builder helps you visualize the time remaining and stay organized. STUNNING VISUAL COUNTDOWNS Create elegant countdown timers with personalized colors and styles View precise countdowns showing days, hours, minutes, and seconds Choose from beautiful event templates or create custom events Personalize your events with custom colors from a wide palette SMART ORGANIZATION Organize events with categories and custom colors Import events directly from your calendar Schedule recurring events like birthdays or weekly meetings Easily search and filter events to find what matters most NOTIFICATIONS THAT WORK FOR YOU Get notified at custom intervals before your events Set multiple reminders for each event Never miss an important deadline or special occasion again Customize notification messages for each event SEAMLESS ACROSS ALL YOUR DEVICES Sync events automatically between your iPhone, iPad, and Mac Create an event on one device and see it instantly on all others Consistent, native experience designed for each platform iCloud sync keeps everything up-to-date everywhere DESIGNED FOR CONVENIENCE Add detailed notes and location information to each event Access all your events with an intuitive, clean interface Dark mode support for comfortable viewing day or night Widgets for at-a-glance access to your most important countdowns Download now and never lose track of important moments again! Terms of Use: https://sites.google.com/view/eventcountdownapp/terms-and-condition Privacy Policy: https://sites.google.com/view/eventcountdownapp/privacy-policy

Screenshots

Rainbow Countdown4 screens
Countdown Builder4 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Rainbow Countdown versus Countdown Builder: the parameters behind the verdict, then further details
ParameterRainbow CountdownCountdown Builder
Price$0.99$0.99
Rating4.3 (13 ratings) — better—
Positive reviews33.3% of reviews—
Number of ratings13 — better—
Update frequencyEvery 3 weeksEvery 2 weeks — better
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, Mac
Requires iOS10.3 — better17.0
Further details — not scored
Size46 MB11 MB
Age rating4+4+
Developer希 陈Kalavathi Ekambaram

In-app purchases

3 purchases

Rainbow Countdown

One-time3
  • 请彩虹倒计时的作者喝一杯饮料$0.99
  • 请彩虹倒计时的作者吃一个老冰棍$0.99
  • 彩虹倒计时去广告$0.99
1 purchases

Countdown Builder

One-time1
  • EventCountdown Premium$0.99

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.

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