# Nibbl vs Datum

The clearest difference is update cadence: Datum at every 2 days against Nibbl's every 10 days. Nibbl's advantage is iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Nibbl sells 3 in-app purchases, starting at $1.99 per month and Datum sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Nibbl ships an update every 10 days, Datum every 2 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Nibbl | 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 10 days | **Every 2 days** |
| Monetization | — | Free with in-app purchases |
| Size | 83 MB | 98 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Md Walid Islam](https://appshunter.io/developer/1776341492) | [EKPQA, LLC](https://appshunter.io/developer/383063546) |

## What reviewers say

### Nibbl

[App page](https://appshunter.io/ios/app/nibbl-newsletter-and-rss-reader/id6759199592)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Nibbl pro monthly | $1.99 | per month |
| Nibbl pro yearly | $14.99 | per year |
| Nibbl Pro - Lifetime | $29.99 | 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

**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 Nibbl free?

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

### Is Datum free?

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

### Do Nibbl or Datum have ads?

Neither Nibbl nor Datum shows ads.

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

Nibbl ships an update every 10 days, and Datum every 2 days. Most recently, Nibbl was updated on October 25, 2026 and Datum on October 24, 2026.

---

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