# AITagger Pro vs Datum

The clearest difference is update cadence: Datum at every 3 days against AITagger Pro's every 2 months. Datum also leads on device support (4 vs 2). AITagger Pro's advantage is iOS requirement (18.6 vs 26.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. AITagger Pro sells 2 in-app purchases, starting at $9.99 per month and Datum sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AITagger Pro ships an update every 2 months, Datum every 3 days. The most recent releases landed on November 8, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | AITagger Pro | Datum |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.8 (5 ratings)](https://appshunter.io/ios/app/datum-private-data-tracker/id6784786088/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 116 MB |
| Requires iOS | **18.6** | 26.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Rohane Hamilton](https://appshunter.io/developer/1794668283) | [EKPQA, LLC](https://appshunter.io/developer/383063546) |

## What reviewers say

### AITagger Pro

[App page](https://appshunter.io/ios/app/aitagger-pro/id6749921506)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AITagger Pro Monthly | $9.99 | per month |
| 600 Extra Credits | $3.99 | one-time |


### Datum

[App page](https://appshunter.io/ios/app/datum-private-data-tracker/id6784786088)

This app allows you to track virtually anything, from daily habits to specific metrics, with customizable input methods and data visualization. It prioritizes user privacy by keeping all data on your device and offers extensive personalization options.

**Highlights:** Track anything with custom units, Multiple input styles (stepper, tally, dial), Bundle trackers into check-ins, Pre-made check-in templates, Customizable dashboard and charts, Attach photos, voice notes, and text, Integrates with Siri and Shortcuts

**Features:** Family Sharing, Apple Watch app

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Calculated Fields | $7.99 | one-time |
| Attachments | $7.99 | one-time |
| Automations | $7.99 | one-time |
| Unlimited Trackers | $7.99 | one-time |
| Connected Trackers | $7.99 | one-time |
| Datum Pro | $19.99 | one-time |
| Early Adopter | $49.99 | one-time |


## Frequently asked questions

### Is AITagger Pro free?

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

### Is Datum free?

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

### Do AITagger Pro or Datum have ads?

Neither AITagger Pro nor Datum shows ads.

### Which is updated more often, AITagger Pro or Datum?

AITagger Pro ships an update every 2 months, and Datum every 3 days. Most recently, AITagger Pro was updated on November 8, 2026 and Datum on November 13, 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.*