# Unit Tracker vs Leaders Book

The clearest difference is iOS requirement: Unit Tracker at 13.0 against Leaders Book's 18.0. 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.

Unit Tracker ships an update every 3 weeks, Leaders Book every 2 weeks. The most recent releases landed on October 20, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Unit Tracker | Leaders Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/unit-tracker/id1634241452/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 34 MB | 20 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Christopher VanDyke](https://appshunter.io/developer/1694395016) | [Utility Forces LLC](https://appshunter.io/developer/1590930050) |

## What reviewers say

### Unit Tracker

[App page](https://appshunter.io/ios/app/unit-tracker/id1634241452)

Manage your Army Reserve unit with a personalized calendar, track evaluations, and handle battle assembly. Facilitates communication through messaging and polling for your unit.

**Highlights:** Personalized member calendar, NCOER/OER evaluation tracking, Battle Assembly tracking, Additional duty tracking, Unit messaging and polling

**Features:** macOS Compatibility

**In-app purchases:** none


### Leaders Book

[App page](https://appshunter.io/ios/app/leaders-book-army-perstat/id6787532079)

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

**In-app purchases:** none


## Frequently asked questions

### Is Unit Tracker free?

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

### Is Leaders Book free?

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

### Do Unit Tracker or Leaders Book have ads?

Neither Unit Tracker nor Leaders Book shows ads.

### Which is updated more often, Unit Tracker or Leaders Book?

Unit Tracker ships an update every 3 weeks, and Leaders Book every 2 weeks. Most recently, Unit Tracker was updated on October 20, 2026 and Leaders Book on October 6, 2026.

---

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