# Intervals vs Smart Building 2.0

The clearest difference is in-app purchases: Smart Building 2.0 at none against Intervals's 1. Smart Building 2.0 also leads on update cadence (daily vs weekly). Intervals's advantage is iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Intervals sells 1 one-off in-app purchase. Smart Building 2.0 asks for nothing beyond the download.

Intervals ships an update weekly, Smart Building 2.0 daily. The most recent releases landed on October 31, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Intervals | Smart Building 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/intervals-timer-builder/id6759968273/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 14 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SIMON RAYMOND SCHOEN](https://appshunter.io/developer/1708665361) | [iShack Digital Consultancy](https://appshunter.io/developer/533255895) |

## What reviewers say

### Intervals

[App page](https://appshunter.io/ios/app/intervals-timer-builder/id6759968273)

Design personalized interval timers for workouts, study, or cooking. This minimalist app offers a clean interface, background operation, and customizable blocks with sounds and vibrations. Save and share your timer programs easily.

**Highlights:** Create unlimited custom timer programs, Multiple blocks with custom names, durations, and colors, Repeat counts for blocks or programs, Transition sounds and haptic feedback, Background operation and screen awake option, Export and import timer programs, Offline functionality

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Intervals Pro | $4.99 | one-time |


### Smart Building 2.0

[App page](https://appshunter.io/ios/app/smart-building-20/id6813080298)

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

**In-app purchases:** none


## Frequently asked questions

### Is Intervals free?

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

### Is Smart Building 2.0 free?

Smart Building 2.0 is free to download, with no in-app purchases.

### Do Intervals or Smart Building 2.0 have ads?

Neither Intervals nor Smart Building 2.0 shows ads.

### Which is updated more often, Intervals or Smart Building 2.0?

Intervals ships an update weekly, and Smart Building 2.0 daily. Most recently, Intervals was updated on October 31, 2026 and Smart Building 2.0 on November 10, 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.*