# THS 4 THT vs GemBook

The clearest difference is in-app purchases: THS 4 THT at none against GemBook's 2. THS 4 THT also leads on ads (none vs shown) and update cadence (every 5 days vs every 3 weeks). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. GemBook sells 2 in-app purchases, starting at $4.99 per month. THS 4 THT asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for THS 4 THT against 5.0 for GemBook. Both are backed by a comparable volume of ratings — 2 and 5 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

THS 4 THT ships an update every 5 days, GemBook every 3 weeks. Both last shipped on November 5, 2026.

## The numbers

| Metric | THS 4 THT | GemBook |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/ths-4-tht/id6749488596/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/gembook-trusted-referrals/id6760602691/reviews) |
| Number of ratings | 2 | **5** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 5 days** | Every 3 weeks |
| Monetization | **Free** | Free with in-app purchases |
| Size | 36 MB | 35 MB |
| Requires iOS | **15.1** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Dan Spaulding](https://appshunter.io/developer/1830724459) | [Red Kangaroo Media LLC](https://appshunter.io/developer/1885254848) |

## What reviewers say

### THS 4 THT

[App page](https://appshunter.io/ios/app/ths-4-tht/id6749488596)

Trade items, services, and experiences without using cash. This platform uses AI to find direct or multi-party trade loops, connecting users with what they need by leveraging what they have. Build community groups for trusted local exchanges.

**Highlights:** AI-powered multi-party trade matching, Trade items, services, and experiences, Create and join community groups, Verified user profiles and ratings, In-app messaging for negotiation, Save favorite listings for notifications

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

**In-app purchases:** none


### GemBook

[App page](https://appshunter.io/ios/app/gembook-trusted-referrals/id6760602691)

Organize and easily access trusted recommendations from friends and family. Save details like who recommended a service or experience, and share them again when needed. Your personal book of trusted referrals, always at your fingertips.

**Highlights:** Save trusted referrals, Organize by category, Track who recommended, Easily share recommendations, Personalized referral book

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| GemBook Membership (Monthly) | $4.99 | per month |
| Premium Annual Access | $59.99 | per year |


## Frequently asked questions

### Is THS 4 THT free?

THS 4 THT is free to download, with no in-app purchases.

### Is GemBook free?

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

### Which has better reviews, THS 4 THT or GemBook?

THS 4 THT and GemBook are both rated 5.0 out of 5 on the App Store, from 2 and 5 ratings respectively.

### Do THS 4 THT or GemBook have ads?

GemBook shows ads; THS 4 THT does not.

### Which is updated more often, THS 4 THT or GemBook?

THS 4 THT ships an update every 5 days, and GemBook every 3 weeks. Most recently, THS 4 THT was updated on November 5, 2026 and GemBook on November 5, 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.*