# Inertium Habit Tracker vs OPS Event

The clearest difference is device support: Inertium Habit Tracker at 3 against OPS Event's 1. Inertium Habit Tracker also leads on iOS requirement (15.1 vs 17.4). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Inertium Habit Tracker | OPS Event |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/inertium-habit-tracker/id1544611742/reviews)** | — |
| Number of ratings | **8** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free | — |
| Size | 32 MB | 142 MB |
| Requires iOS | **15.1** | 17.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Monad Engineering Ltd](https://appshunter.io/developer/1495093921) | [Informa Support Services Inc](https://appshunter.io/developer/1636025449) |

## What reviewers say

### Inertium Habit Tracker

[App page](https://appshunter.io/ios/app/inertium-habit-tracker/id1544611742)

Track daily habits with a simple, elegant interface. Log notes, sync across devices, and monitor your progress. This open-source app prioritizes privacy and offers a focused, ad-free experience.

**Highlights:** Daily habit tracking, Note-taking, Cross-device sync, Progress logging, Elegant UI, Open-source

**Features:** Vision Pro support

**In-app purchases:** none


### OPS Event

[App page](https://appshunter.io/ios/app/ops-event/id6760119821)

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

**In-app purchases:** none


## Frequently asked questions

### Is Inertium Habit Tracker free?

Inertium Habit Tracker is free to download, with no in-app purchases.

### Is OPS Event free?

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

### Do Inertium Habit Tracker or OPS Event have ads?

Neither Inertium Habit Tracker nor OPS Event shows ads.

### Which is updated more often, Inertium Habit Tracker or OPS Event?

Inertium Habit Tracker ships an update weekly, and OPS Event weekly. Most recently, Inertium Habit Tracker was updated on October 21, 2026 and OPS Event on October 17, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*