# Seconds Interval Timer vs CountDown Voice Timer

The clearest difference is ads: Seconds Interval Timer at none against CountDown Voice Timer's shown. CountDown Voice Timer's advantage is update cadence (fortnightly vs monthly). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Seconds Interval Timer sells 1 one-off in-app purchase and CountDown Voice Timer sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

Seconds Interval Timer ships an update monthly, CountDown Voice Timer fortnightly. The most recent releases landed on October 14, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Seconds Interval Timer | CountDown Voice Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (24K ratings)](https://appshunter.io/ios/app/seconds-interval-timer/id475816966/reviews)** | — |
| Number of ratings | **24K** | — |
| Positive reviews | 74.6% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 95 MB | 14 MB |
| Requires iOS | **18.0** | 18.1 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Runloop Ltd](https://appshunter.io/developer/325563420) | [ryo muranaka](https://appshunter.io/developer/1606480078) |

## What reviewers say

### Seconds Interval Timer

[App page](https://appshunter.io/ios/app/seconds-interval-timer/id475816966)

This app provides a versatile interval timer for various workout types like Tabata, HIIT, and circuit training. It features a clear, full-screen display, customizable alerts, and background operation. Users can also utilize a stopwatch and countdown timer, with integration for Apple Health.

**Highlights:** Full-screen colored display, Templates for HIIT, Tabata, Circuit Training, Voice and audio alerts, Music assignment per interval, Background operation, Apple Health integration, Stopwatch and countdown timer

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Advanced Version | $7.99 | one-time |

**What reviewers like**

- 🚀 Great workout app
- 👍 Customizable and user-friendly
- 🔒 Reliable and stable
- 💡 Versatile for various workouts
- 👍 Easy to create and edit timers

**What reviewers complain about**

- 🐛 Occasional audio issues
- 🔍 Limited Apple Watch integration
- 💰 Paid version required for full functionality
- 🕰️ Time-consuming to set up complex workouts

**Reported bugs**

- Timer sometimes stops working unexpectedly
- Issues with restoring purchases on new devices

**Requested features**

- Ability to change beep/alert volume independently
- Option to delay transition between intervals
- Sync workouts across devices
- More preset workout templates
- Heart rate monitoring integration


### CountDown Voice Timer

[App page](https://appshunter.io/ios/app/countdown-voice-timer/id6447489589)

This app provides voice-guided countdown and count-up timers for various activities, including workouts, stretching, and study sessions. It offers customizable voice settings in multiple languages and automatic set tracking for seamless progress monitoring.

**Highlights:** Voice-guided countdown and count-up timer, 32-language voice support, Customizable voice settings, Automatic set tracking, Save favorite timer presets, Progress graphs (premium)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly subscription | $1.99 | per month |
| Annual subscription | $11.99 | per year |


## Frequently asked questions

### Is Seconds Interval Timer free?

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

### Is CountDown Voice Timer free?

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

### Do Seconds Interval Timer or CountDown Voice Timer have ads?

CountDown Voice Timer shows ads; Seconds Interval Timer does not.

### Which is updated more often, Seconds Interval Timer or CountDown Voice Timer?

Seconds Interval Timer ships an update monthly, and CountDown Voice Timer fortnightly. Most recently, Seconds Interval Timer was updated on October 14, 2026 and CountDown Voice Timer on September 30, 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.*