# Microballistics vs Personal Interval Timer

The clearest difference is review sentiment: Personal Interval Timer at 100% against Microballistics's 50%. Personal Interval Timer also leads on rating (4.8 vs 2.3) and update cadence (every 4 weeks vs every 24 months). Microballistics's advantage is in-app purchases (none vs 1) and ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Personal Interval Timer sells 1 one-off in-app purchase. Microballistics asks for nothing beyond the download.

Personal Interval Timer holds the better App Store score, 4.8 against 2.3. Both are backed by a comparable volume of ratings — 3 and 14 respectively. Written reviews point the same way: 50% of Microballistics's written reviews are positive against 100% of Personal Interval Timer's.

Microballistics ships an update every 24 months, Personal Interval Timer every 4 weeks. The most recent releases landed on June 1, 2026 and August 25, 2026 respectively.

## The numbers

| Metric | Microballistics | Personal Interval Timer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (3 ratings)](https://appshunter.io/ios/app/microballistics/id1467067380/reviews) | **[4.8 (14 ratings)](https://appshunter.io/ios/app/personal-interval-timer/id1479646964/reviews)** |
| Number of ratings | 3 | **14** |
| Positive reviews | 50.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 24 months | **Every 4 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 7 MB |
| Requires iOS | **13.0** | 14.2 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Microballistics Ltd](https://appshunter.io/developer/1467067379) | [AlexApps.Net Co](https://appshunter.io/developer/972261962) |

## What reviewers say

### Microballistics

[App page](https://appshunter.io/ios/app/microballistics/id1467067380)

A highly accurate ballistic calculator for firearms and air rifles. It predicts wind deflection with steep shooting angles and offers features like projectile comparison and reticle reference printing. Includes a large database of ammunition types.

**Highlights:** Precise ballistic calculations, Wind deflection prediction for steep angles, Ballistic comparison of different projectiles, Printable reticle references and tables, Large database of projectiles, Bluetooth laser rangefinder integration

**Features:** macOS Compatibility

**In-app purchases:** none


### Personal Interval Timer

[App page](https://appshunter.io/ios/app/personal-interval-timer/id1479646964)

This app helps you manage timed workouts for sports like boxing, HIIT, and Tabata. It offers customizable presets, workout history tracking, and works with a locked screen and background music. Share your routines with friends and receive voice or bell notifications.

**Highlights:** Works with locked screen, Plays with background music, Saves custom presets, Share workouts with friends, History and progress charts, Voice or bell notifications

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $5.99 | one-time |


## Frequently asked questions

### Is Microballistics free?

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

### Is Personal Interval Timer free?

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

### Which has better reviews, Microballistics or Personal Interval Timer?

Personal Interval Timer is rated higher. Microballistics averages 2.3 out of 5 from 3 ratings, while Personal Interval Timer averages 4.8 from 14 ratings.

### Do Microballistics or Personal Interval Timer have ads?

Personal Interval Timer shows ads; Microballistics does not.

### Which is updated more often, Microballistics or Personal Interval Timer?

Microballistics ships an update every 24 months, and Personal Interval Timer every 4 weeks. Most recently, Microballistics was updated on June 1, 2026 and Personal Interval Timer on August 25, 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.*