# simple Interval vs HORUS Ballistics

The clearest difference is review sentiment: simple Interval at 100% against HORUS Ballistics's 16%. HORUS Ballistics's advantage is update cadence (every 3 months vs every 28 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

simple Interval ships an update every 28 months, HORUS Ballistics every 3 months. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | simple Interval | HORUS Ballistics |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | **100.0% of reviews** | 15.8% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 4 MB | 49 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Michael glucz](https://appshunter.io/developer/1108685011) | [Horus Vision](https://appshunter.io/developer/1455203279) |

## What reviewers say

### simple Interval

[App page](https://appshunter.io/ios/app/simple-interval/id1255825816)

This app helps you manage training intervals with a large, visual display and voice prompts. Easily set custom durations or add time in 10-second increments to track your workouts.

**Highlights:** Customizable interval lengths, Large visual countdown display, Voice annotation warnings, Elapsed time and interval count, Dynamic background images

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

**In-app purchases:** none


### HORUS Ballistics

[App page](https://appshunter.io/ios/app/horus-ballistics/id1455203280)

This app provides a precise ballistics calculator for long-range shooters and competitors. It offers quick shooting solutions with an intuitive interface and integrates with onX Hunt for shot site waypoints and recovery efforts.

**Highlights:** Precision ballistics solver, onX Hunt integration, Shot site waypoint creation, HORUS/TREMOR reticle support, Advanced Truing Engine, Bluetooth connectivity for LRFs and weather meters

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

**In-app purchases:** none


## Frequently asked questions

### Is simple Interval free?

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

### Is HORUS Ballistics free?

HORUS Ballistics is free to download, with no in-app purchases.

### Do simple Interval or HORUS Ballistics have ads?

Neither simple Interval nor HORUS Ballistics shows ads.

### Which is updated more often, simple Interval or HORUS Ballistics?

simple Interval ships an update every 28 months, and HORUS Ballistics every 3 months. Most recently, simple Interval was updated on October 7, 2026 and HORUS Ballistics 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.*