# GrapeFinder vs Psychology

The clearest difference is update cadence: Psychology at every 11 days against GrapeFinder's every 4 months. GrapeFinder's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. GrapeFinder sells 4 one-off in-app purchases and Psychology sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

GrapeFinder ships an update every 4 months, Psychology every 11 days. The most recent releases landed on November 1, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | GrapeFinder | Psychology |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 11 days** |
| Size | 16 MB | 143 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Christian Wymann](https://appshunter.io/developer/952833064) | [Man Hung Sun](https://appshunter.io/developer/1471605573) |

## What reviewers say

### GrapeFinder

[App page](https://appshunter.io/ios/app/grapefinder/id952833065)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full version - unlimited | $8.99 | one-time |
| Upgrade to ADVANCED Version | $10.99 | one-time |
| BASIC version | $13.99 | one-time |
| ADVANCED Version | $20.99 | one-time |


### Psychology

[App page](https://appshunter.io/ios/app/psychology-behavioral-pricing/id6444622839)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| upgrade | $0.99 | one-time |


## Frequently asked questions

### Is GrapeFinder free?

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

### Is Psychology free?

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

### Do GrapeFinder or Psychology have ads?

Neither GrapeFinder nor Psychology shows ads.

### Which is updated more often, GrapeFinder or Psychology?

GrapeFinder ships an update every 4 months, and Psychology every 11 days. Most recently, GrapeFinder was updated on November 1, 2026 and Psychology on October 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*