# SD Mini vs My Interval Timer

The clearest difference is review sentiment: My Interval Timer at 67% against SD Mini's 0%. My Interval Timer also leads on rating (4.7 vs 4.0) and ratings volume (51 vs 4). SD Mini's advantage is in-app purchases (none vs 7) and update cadence (every 3 months vs every 8 months). On price, ads and device support there is nothing between them.

Both are free to download. My Interval Timer sells 7 in-app purchases, starting at $2.99 per 7 days. SD Mini asks for nothing beyond the download.

My Interval Timer holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: My Interval Timer has 51 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 0% of SD Mini's written reviews are positive against 67% of My Interval Timer's.

SD Mini ships an update every 3 months, My Interval Timer every 8 months. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | SD Mini | My Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (4 ratings)](https://appshunter.io/ios/app/sd-mini/id1441934004/reviews) | **[4.7 (51 ratings)](https://appshunter.io/ios/app/my-interval-timer-hiit-timer/id6445900396/reviews)** |
| Number of ratings | 4 | **51** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 8 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 11 MB | 24 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Maxwell Forest Pty Ltd](https://appshunter.io/developer/393051070) | [DREAMTEAM APPS sp. z o.o.](https://appshunter.io/developer/1626812597) |

## What reviewers say

### SD Mini

[App page](https://appshunter.io/ios/app/sd-mini/id1441934004)

This app helps you keep track of your belongings using a Bluetooth tracker. It alerts you if you leave an item behind and can help you locate it by showing its last known position on a map or by triggering a sound alert.

**Highlights:** Item tracking via Bluetooth, Left-behind alerts, Last known location mapping, Sound alerts for item location, Selfie capture functionality

**In-app purchases:** none


### My Interval Timer

[App page](https://appshunter.io/ios/app/my-interval-timer-hiit-timer/id6445900396)

Create and manage custom interval training routines with a voice assistant and color-coded exercises. Store all your workouts in one place for various fitness activities. Offers a free trial for subscription plans.

**Highlights:** Customizable workout templates, Voice assistant, Color-coded exercises, Background operation, Workout storage, Sports timer

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $2.99 | per 7 days |
| Weekly Premium with Trial | $2.99 | per 7 days |
| Monthly Premium | $5.99 | per month |
| Simple Interval Timer Premium | $5.99 | per month |
| Monthly Premium with Trial | $5.99 | per month |
| Yearly  Premium | $9.99 | per year |
| Yearly Premium with Trial | $9.99 | per year |


## Frequently asked questions

### Is SD Mini free?

SD Mini is free to download, with no in-app purchases.

### Is My Interval Timer free?

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

### Which has better reviews, SD Mini or My Interval Timer?

My Interval Timer is rated higher. SD Mini averages 4.0 out of 5 from 4 ratings, while My Interval Timer averages 4.7 from 51 ratings.

### Do SD Mini or My Interval Timer have ads?

Neither SD Mini nor My Interval Timer shows ads.

### Which is updated more often, SD Mini or My Interval Timer?

SD Mini ships an update every 3 months, and My Interval Timer every 8 months. Most recently, SD Mini was updated on September 29, 2026 and My Interval Timer on September 23, 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.*