# HIIT Interval Timer | Cero vs Yoga Interval Timer | Namaste

The clearest difference is rating: HIIT Interval Timer | Cero at 4.7 against Yoga Interval Timer | Namaste's 3.3. HIIT Interval Timer | Cero also leads on update cadence (every 3 days vs monthly) and review sentiment (75% vs 50%). Yoga Interval Timer | Namaste's advantage is ads (none vs shown). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. HIIT Interval Timer | Cero sells 1 one-off in-app purchase and Yoga Interval Timer | Namaste sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

HIIT Interval Timer | Cero holds the better App Store score, 4.7 against 3.3. That said, the two scores are not equally well evidenced: HIIT Interval Timer | Cero has 435 ratings behind it against 6, so its average is the more settled of the two. Written reviews point the same way: 75% of HIIT Interval Timer | Cero's written reviews are positive against 50% of Yoga Interval Timer | Namaste's.

HIIT Interval Timer | Cero ships an update every 3 days, Yoga Interval Timer | Namaste monthly. The most recent releases landed on September 25, 2026 and September 3, 2026 respectively.

## The numbers

| Metric | HIIT Interval Timer | Cero | Yoga Interval Timer | Namaste |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (435 ratings)](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392/reviews)** | [3.3 (6 ratings)](https://appshunter.io/ios/app/yoga-interval-timer-namaste/id1275399564/reviews) |
| Number of ratings | **435** | 6 |
| Positive reviews | **74.6% of reviews** | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 42 MB | 26 MB |
| Requires iOS | 16.0 | **15.6** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flawless Studio LLC](https://appshunter.io/developer/1228312508) | [Bart Jacobs](https://appshunter.io/developer/409409242) |

## What reviewers say

### HIIT Interval Timer | Cero

[App page](https://appshunter.io/ios/app/hiit-interval-timer-cero/id1256319392)

This interval timer app enhances various workouts like HIIT, Tabata, and yoga with intuitive design and customizable timer modes. Create and save custom intervals, track calorie expenditure, and sync settings across devices, including Apple Watch.

**Highlights:** Customizable interval timers, Simple and advanced timer modes, Create and save multiple workout settings, Apple Watch compatibility with heart monitor, Automatic calorie tracking to Apple Health, Cross-device sync

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cero Pro | $3.99 | one-time |

**What reviewers like**

- 👍 Simple and straightforward
- 👍 Very practical and customizable
- 👍 Great for HIIT and Tabata
- 👍 Clear design and easy to use
- 👍 Good value, no subscription

**What reviewers complain about**

- 🔋 Drains battery
- 🎶 Music playback interrupted
- ⚠️ Ads interrupt timers
- 🔊 Weak or non-functional sound/haptics
- 🔄 Forced updates

**Reported bugs**

- App runs in background draining battery
- Rotation broke after update
- Apple workout app overrides Cero app on Apple Watch
- Interval signals too weak or not working

**Requested features**

- Ability to group timers
- Option to add warm-up and cool-down features
- Ability to type numbers for time adjustment
- Timer sounds through headphones or interrupting music
- Ability to change exercise names


### Yoga Interval Timer | Namaste

[App page](https://appshunter.io/ios/app/yoga-interval-timer-namaste/id1275399564)

This app serves as a personalized yoga instructor, allowing you to create custom yoga routines with various poses and segments. It offers detailed analytics to track your progress and includes a library of calming sounds to enhance your practice.

**Highlights:** Customizable yoga profiles, Pose segmentation, Progress analytics, HealthKit integration, Library of calming sounds, App theme customization

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Namaste Premium Monthly | $1.99 | per month |
| Namaste Premium | $14.99 | per year |
| Namaste Premium Yearly | $14.99 | per year |


## Frequently asked questions

### Is HIIT Interval Timer | Cero free?

HIIT Interval Timer | Cero is free to download, with in-app purchases available.

### Is Yoga Interval Timer | Namaste free?

Yoga Interval Timer | Namaste is free to download, with in-app purchases available.

### Which has better reviews, HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste?

HIIT Interval Timer | Cero is rated higher. HIIT Interval Timer | Cero averages 4.7 out of 5 from 435 ratings, while Yoga Interval Timer | Namaste averages 3.3 from 6 ratings.

### Do HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste have ads?

HIIT Interval Timer | Cero shows ads; Yoga Interval Timer | Namaste does not.

### Which is updated more often, HIIT Interval Timer | Cero or Yoga Interval Timer | Namaste?

HIIT Interval Timer | Cero ships an update every 3 days, and Yoga Interval Timer | Namaste monthly. Most recently, HIIT Interval Timer | Cero was updated on September 25, 2026 and Yoga Interval Timer | Namaste on September 3, 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.*