# PROBOOK.ORG vs THERMOPIED

The clearest difference is update cadence: PROBOOK.ORG at every 2 weeks against THERMOPIED's every 5 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PROBOOK.ORG ships an update every 2 weeks, THERMOPIED every 5 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | PROBOOK.ORG | THERMOPIED |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (11 ratings)](https://appshunter.io/ios/app/probookorg/id1563835358/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 months |
| Monetization | Free | — |
| Size | 144 MB | 8 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 9+ |
| Developer | [ProBook LLC](https://appshunter.io/developer/1563835360) | [永超 孙](https://appshunter.io/developer/1713453903) |

## What reviewers say

### PROBOOK.ORG

[App page](https://appshunter.io/ios/app/probookorg/id1563835358)

This app connects users with a wide range of professionals for appointment booking. It serves as a comprehensive solution for finding and scheduling services from various providers.

**Highlights:** Appointment booking, Professional service directory, All-in-one solution, Wide range of providers

**Features:** macOS Compatibility

**In-app purchases:** none


### THERMOPIED

[App page](https://appshunter.io/ios/app/thermopied/id6471418961)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PROBOOK.ORG free?

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

### Is THERMOPIED free?

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

### Do PROBOOK.ORG or THERMOPIED have ads?

Neither PROBOOK.ORG nor THERMOPIED shows ads.

### Which is updated more often, PROBOOK.ORG or THERMOPIED?

PROBOOK.ORG ships an update every 2 weeks, and THERMOPIED every 5 months. Most recently, PROBOOK.ORG was updated on November 3, 2026 and THERMOPIED on November 8, 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.*