# Countdown Timer vs TeachUp

The clearest difference is ads: TeachUp at none against Countdown Timer's shown. TeachUp also leads on update cadence (every 2 weeks vs every 3 months). Countdown Timer's advantage is device support (3 vs 1) and iOS requirement (12.3 vs 17.0). On price and in-app purchases there is nothing between them.

Both are free to download. Countdown Timer sells 2 in-app purchases, starting at $0.99 per month and TeachUp sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

Countdown Timer ships an update every 3 months, TeachUp every 2 weeks. The most recent releases landed on September 16, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Countdown Timer | TeachUp |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (2 ratings)](https://appshunter.io/ios/app/countdown-timer-deadlines/id947283588/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 42.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 129 MB | 21 MB |
| Requires iOS | **12.3** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [mayabella s.r.o.](https://appshunter.io/developer/1222437772) | [AHMET OZDEMIR](https://appshunter.io/developer/1859782005) |

## What reviewers say

### Countdown Timer

[App page](https://appshunter.io/ios/app/countdown-timer-deadlines/id947283588)

Track important dates and deadlines with customizable countdowns and smart reminders. See upcoming events directly on your home screen with widgets. Never miss a moment that matters again.

**Highlights:** Track deadlines and events, Calendar integration, Smart reminders, Customizable themes, Home screen widgets, Easy to use interface

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |
| Remove Ads | $6.99 | one-time |


### TeachUp

[App page](https://appshunter.io/ios/app/teachup-instructor-assistant/id6756281349)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TeachUp Pro · Monthly | $5.99 | per month |
| TeachUp Pro · Yearly | $44.99 | per year |


## Frequently asked questions

### Is Countdown Timer free?

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

### Is TeachUp free?

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

### Do Countdown Timer or TeachUp have ads?

Countdown Timer shows ads; TeachUp does not.

### Which is updated more often, Countdown Timer or TeachUp?

Countdown Timer ships an update every 3 months, and TeachUp every 2 weeks. Most recently, Countdown Timer was updated on September 16, 2026 and TeachUp on October 6, 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.*