# PDA Plugin vs TIMECHAIN CALENDAR

The clearest difference is in-app purchases: PDA Plugin at none against TIMECHAIN CALENDAR's 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. PDA Plugin asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | PDA Plugin | TIMECHAIN CALENDAR |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | — | Freemium |
| Size | 29 MB | 34 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Open Technology](https://appshunter.io/developer/1321817106) | [Timechain Calendar LLC](https://appshunter.io/developer/1829307598) |

## What reviewers say

### PDA Plugin

[App page](https://appshunter.io/ios/app/pda-plugin/id1528065167)

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PDA Plugin free?

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

### Is TIMECHAIN CALENDAR free?

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

### Do PDA Plugin or TIMECHAIN CALENDAR have ads?

Neither PDA Plugin nor TIMECHAIN CALENDAR shows ads.

### Which is updated more often, PDA Plugin or TIMECHAIN CALENDAR?

PDA Plugin ships an update weekly, and TIMECHAIN CALENDAR weekly. Most recently, PDA Plugin was updated on October 25, 2026 and TIMECHAIN CALENDAR on October 28, 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.*