# Custom Interval Timers vs Exerzio

The clearest difference is in-app purchases: Custom Interval Timers at none against Exerzio's 3. Custom Interval Timers also leads on device support (3 vs 1) and iOS requirement (15.1 vs 26.1). Exerzio's advantage is ads (none vs shown) and update cadence (every 2 days vs every 4 months). On price there is nothing between them.

Both are free to download. Exerzio sells 3 one-off in-app purchases. Custom Interval Timers asks for nothing beyond the download.

Custom Interval Timers ships an update every 4 months, Exerzio every 2 days. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Custom Interval Timers | Exerzio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (14 ratings)](https://appshunter.io/ios/app/custom-interval-timers/id1552160706/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | **Every 2 days** |
| Monetization | Ad-supported | — |
| Size | 40 MB | 15 MB |
| Requires iOS | **15.1** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Alex Rich](https://appshunter.io/developer/1030627712) | [Jonas Minke](https://appshunter.io/developer/1838658027) |

## What reviewers say

### Custom Interval Timers

[App page](https://appshunter.io/ios/app/custom-interval-timers/id1552160706)

Design personalized interval timers for workouts or productivity. Its intuitive editor allows for custom flows with various settings like countdowns and personalized interfaces. Offers light/dark modes and an option to disable ads.

**Highlights:** Customizable interval flows, Intuitive timer editor, Count up or down timers, Personalized running interface, Light/dark mode, Ad-free option

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

**In-app purchases:** none


### Exerzio

[App page](https://appshunter.io/ios/app/exerzio-workout-tracker/id6806954443)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $7.99 | one-time |


## Frequently asked questions

### Is Custom Interval Timers free?

Custom Interval Timers is free to download, with no in-app purchases.

### Is Exerzio free?

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

### Do Custom Interval Timers or Exerzio have ads?

Custom Interval Timers shows ads; Exerzio does not.

### Which is updated more often, Custom Interval Timers or Exerzio?

Custom Interval Timers ships an update every 4 months, and Exerzio every 2 days. Most recently, Custom Interval Timers was updated on October 22, 2026 and Exerzio on October 24, 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.*