# Notes vs Datum

The clearest difference is ads: Datum at none against Notes's shown. Datum also leads on update cadence (every 3 days vs fortnightly). Notes's advantage is iOS requirement (15.6 vs 26.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Notes sells 3 in-app purchases, starting at $2.99 per 7 days and Datum sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Notes ships an update fortnightly, Datum every 3 days. The most recent releases landed on November 5, 2026 and November 13, 2026 respectively.

## The numbers

| Metric | Notes | 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 | Yes | **No** |
| Update frequency | Fortnightly | **Every 3 days** |
| Monetization | — | Free with in-app purchases |
| Size | 64 MB | 116 MB |
| Requires iOS | **15.6** | 26.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple Watch** |
| Age rating | 12+ | 4+ |
| Developer | [Binzish Solutions (SMC-Private)](https://appshunter.io/developer/1891271489) | [EKPQA, LLC](https://appshunter.io/developer/383063546) |

## What reviewers say

### Notes

[App page](https://appshunter.io/ios/app/notes-to-do-list-and-reminders/id6761751108)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wöchentliches Abonnement | $2.99 | per 7 days |
| Monatliches Abonnement | $3.99 | per month |
| Jahresabonnement | $9.99 | per year |


### 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 Notes free?

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

### Is Datum free?

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

### Do Notes or Datum have ads?

Notes shows ads; Datum does not.

### Which is updated more often, Notes or Datum?

Notes ships an update fortnightly, and Datum every 3 days. Most recently, Notes was updated on November 5, 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.*