# Geology365 vs Think Again

The clearest difference is review sentiment: Geology365 at 100% against Think Again's 50%. Geology365 also leads on rating (4.0 vs 2.7) and in-app purchases (none vs 1). Think Again's advantage is price (Free vs $2.99). On ratings volume, update cadence, ads and device support there is nothing between them.

Think Again is free to download; Geology365 costs $2.99 up front. Think Again sells 1 one-off in-app purchase. Geology365 asks for nothing beyond the download.

Geology365 holds the better App Store score, 4.0 against 2.7. Both are backed by a comparable volume of ratings — 2 and 3 respectively. Written reviews point the same way: 100% of Geology365's written reviews are positive against 50% of Think Again's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Geology365 | Think Again |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/geology365/id6747565969/reviews)** | [2.7 (3 ratings)](https://appshunter.io/ios/app/think-again/id6755461521/reviews) |
| Number of ratings | 2 | **3** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Paid | **Free** |
| Best chart rank | **#186** | — |
| Size | 40 MB | 17 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ryan Mark Klockner](https://appshunter.io/developer/1813869488) | [Jeremy Stangroom](https://appshunter.io/developer/1854054002) |

## What reviewers say

### Geology365

[App page](https://appshunter.io/ios/app/geology365/id6747565969)

**Currently charting:** #186 Top Paid · Education (US App Store)

Organize and catalog your mineral collection with this app. Document specimens with photos and details like name, origin, size, value, and acquisition history. Access your collection offline for easy field use.

**Highlights:** Mineral collection cataloging, Specimen documentation with photos, Track specimen details (name, origin, size, value), Acquisition history tracking, Offline access, Searchable collection

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

**In-app purchases:** none


### Think Again

[App page](https://appshunter.io/ios/app/think-again/id6755461521)

Explore classic philosophical thought experiments to challenge your thinking, uncover biases, and compare your reasoning with others. Analyze your patterns and gain deeper insights into your worldview. Designed for discovery with a distraction-free interface and offline functionality.

**Highlights:** Classic philosophical thought experiments, Analyze reasoning and cognitive biases, Compare responses with global averages, Detailed analysis of user responses, Offline access to completed experiments, Privacy-focused data storage

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Access | $4.99 | one-time |


## Frequently asked questions

### Is Geology365 free?

Geology365 costs $2.99, with no in-app purchases.

### Is Think Again free?

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

### Which has better reviews, Geology365 or Think Again?

Geology365 is rated higher. Geology365 averages 4.0 out of 5 from 2 ratings, while Think Again averages 2.7 from 3 ratings.

### Do Geology365 or Think Again have ads?

Neither Geology365 nor Think Again shows ads.

### Which is updated more often, Geology365 or Think Again?

Geology365 ships an update every 2 months, and Think Again every 2 months. Most recently, Geology365 was updated on October 25, 2026 and Think Again on October 24, 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.*