# Trulii vs OS3

The clearest difference is update cadence: Trulii at every 9 days against OS3's monthly. Trulii also leads on iOS requirement (12.0 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Trulii sells 2 in-app purchases, starting at $7.99 per month and OS3 sells 1 in-app purchase, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Trulii ships an update every 9 days, OS3 monthly. Both last shipped on October 16, 2026.

## The numbers

| Metric | Trulii | OS3 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/trulii/id6755763264/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Monthly |
| Monetization | Free with in-app purchases | — |
| Size | 55 MB | 4 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 17+ | 4+ |
| Developer | [Trulii LLC](https://appshunter.io/developer/1856186246) | [QR LLC](https://appshunter.io/developer/1820066581) |

## What reviewers say

### Trulii

[App page](https://appshunter.io/ios/app/trulii/id6755763264)

Effortlessly recall details about people you meet, from names and workplaces to personal anecdotes. Utilize voice or AI search to quickly find contacts and their information as your network expands. Never forget important personal details again.

**Highlights:** Remember personal details, Voice search, Smart AI search, Network growth management, Effortless contact recall

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Trulii Monthly | $7.99 | per month |
| Trulii Annual | $84.99 | per year |


### OS3

[App page](https://appshunter.io/ios/app/os3/id6760365662)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OS3 Pro | $12.99 | per month |


## Frequently asked questions

### Is Trulii free?

Trulii is free to download, with in-app purchases available.

### Is OS3 free?

OS3 is free to download, with in-app purchases available.

### Do Trulii or OS3 have ads?

Neither Trulii nor OS3 shows ads.

### Which is updated more often, Trulii or OS3?

Trulii ships an update every 9 days, and OS3 monthly. Most recently, Trulii was updated on October 16, 2026 and OS3 on October 16, 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.*