# Bitacora.io vs SitzProbe

The clearest difference is in-app purchases: Bitacora.io at none against SitzProbe's 2. Bitacora.io also leads on update cadence (every 5 days vs every 3 weeks) and iOS requirement (15.5 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. SitzProbe sells 2 in-app purchases, starting at $0.99 per month. Bitacora.io asks for nothing beyond the download.

Bitacora.io ships an update every 5 days, SitzProbe every 3 weeks. The most recent releases landed on October 10, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Bitacora.io | SitzProbe |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sitzprobe/id6502870044/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Size | 83 MB | 15 MB |
| Requires iOS | **15.5** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Bitacora LLC](https://appshunter.io/developer/1583096726) | [Joseph Anderson](https://appshunter.io/developer/1747143597) |

## What reviewers say

### Bitacora.io

[App page](https://appshunter.io/ios/app/bitacoraio/id1584852398)

Record daily activities, work, and movements with detailed logs. Attach photos, files, and location data for easy organization and retrieval. Work offline and access your information through search by date or project name.

**Highlights:** Capture general logs, Log stock or asset movements, Record staff activity, Track income/expenses, Add photos and files, Organize by date and project, Offline logging capability

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

**In-app purchases:** none


### SitzProbe

[App page](https://appshunter.io/ios/app/sitzprobe/id6502870044)

This app uses spaced repetition to help you master any set of tasks. It intelligently schedules practice sessions based on your performance and tracks your progress over time. Your data is kept private and can sync across devices.

**Highlights:** Task management with details, Intelligent practice scheduling, Progress tracking and analytics, Offline functionality, iCloud synchronization

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $0.99 | per month |
| Pro Yearly | $5.99 | per year |


## Frequently asked questions

### Is Bitacora.io free?

Bitacora.io is free to download, with no in-app purchases.

### Is SitzProbe free?

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

### Do Bitacora.io or SitzProbe have ads?

Neither Bitacora.io nor SitzProbe shows ads.

### Which is updated more often, Bitacora.io or SitzProbe?

Bitacora.io ships an update every 5 days, and SitzProbe every 3 weeks. Most recently, Bitacora.io was updated on October 10, 2026 and SitzProbe on October 1, 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.*