# Countdown & Interval Timer vs Study Timer

The clearest difference is ads: Countdown & Interval Timer at none against Study Timer's shown. Countdown & Interval Timer also leads on update cadence (every 5 days vs fortnightly). Study Timer's advantage is iOS requirement (15.0 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Countdown & Interval Timer sells 4 in-app purchases, starting at $2.99 per month and Study Timer sells 1 in-app purchase, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Countdown & Interval Timer ships an update every 5 days, Study Timer fortnightly. The most recent releases landed on September 20, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Countdown & Interval Timer | Study Timer |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 94 MB | 13 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tingogo Inc](https://appshunter.io/developer/1689008236) | [Mikoto Gateway](https://appshunter.io/developer/6795057863) |

## What reviewers say

### Countdown & Interval Timer

[App page](https://appshunter.io/ios/app/countdown-and-interval-timer/id6759101882)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $2.99 | per month |
| Premium Yearly | $9.99 | per year |
| Lifetime Premium | $19.99 | one-time |
| Lifetime Premium | $39.99 | one-time |


### Study Timer

[App page](https://appshunter.io/ios/app/study-timer-streaks-and-reward/id6795408104)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアムプラン | $0.99 | per month |


## Frequently asked questions

### Is Countdown & Interval Timer free?

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

### Is Study Timer free?

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

### Do Countdown & Interval Timer or Study Timer have ads?

Study Timer shows ads; Countdown & Interval Timer does not.

### Which is updated more often, Countdown & Interval Timer or Study Timer?

Countdown & Interval Timer ships an update every 5 days, and Study Timer fortnightly. Most recently, Countdown & Interval Timer was updated on September 20, 2026 and Study Timer on September 17, 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.*