# TIMECHAIN CALENDAR vs PyBLOCK

The clearest difference is in-app purchases: PyBLOCK at none against TIMECHAIN CALENDAR's 2. TIMECHAIN CALENDAR's advantage is iOS requirement (14.0 vs 16.2). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. TIMECHAIN CALENDAR sells 2 in-app purchases, starting at $2.99 per month. PyBLOCK asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | TIMECHAIN CALENDAR | PyBLOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (16 ratings)](https://appshunter.io/ios/app/timechain-calendar/id6749210824/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | — |
| Size | 34 MB | 22 MB |
| Requires iOS | **14.0** | 16.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Timechain Calendar LLC](https://appshunter.io/developer/1829307598) | [Bruno Aiub](https://appshunter.io/developer/1877923963) |

## What reviewers say

### TIMECHAIN CALENDAR

[App page](https://appshunter.io/ios/app/timechain-calendar/id6749210824)

Visualize the Bitcoin network with this protocol explorer and live data dashboard. Search past blocks, estimate future ones, and enhance your experience with subscriber-only mobile tools like a special moment camera and customizable alerts.

**Highlights:** Bitcoin protocol visualization, Timechain block search, Future block estimation, Block and price data camera overlays, Customizable alerts, Home and lock screen widgets

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $2.99 | per month |
| Yearly Subscription | $29.99 | per year |


### PyBLOCK

[App page](https://appshunter.io/ios/app/pyblock/id6782702882)

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

**In-app purchases:** none


## Frequently asked questions

### Is TIMECHAIN CALENDAR free?

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

### Is PyBLOCK free?

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

### Do TIMECHAIN CALENDAR or PyBLOCK have ads?

Neither TIMECHAIN CALENDAR nor PyBLOCK shows ads.

### Which is updated more often, TIMECHAIN CALENDAR or PyBLOCK?

TIMECHAIN CALENDAR ships an update weekly, and PyBLOCK weekly. Most recently, TIMECHAIN CALENDAR was updated on October 6, 2026 and PyBLOCK on October 7, 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.*