# Purine vs Tastingnotes

The clearest difference is price: Tastingnotes at Free against Purine's $1.99. Purine's advantage is chart position (#184 vs unranked). On update cadence, ads, in-app purchases and device support there is nothing between them.

Tastingnotes is free to download; Purine costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Purine ships an update every 7 months, Tastingnotes every 9 months. The most recent releases landed on September 27, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Purine | Tastingnotes |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 47.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 7 months** | Every 9 months |
| Monetization | Paid | — |
| Best chart rank | **#184** | — |
| Size | 2 MB | 29 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Tsigosys](https://appshunter.io/developer/538026145) | [Mistretta Paolo](https://appshunter.io/developer/1231829959) |

## What reviewers say

### Purine

[App page](https://appshunter.io/ios/app/purine/id857125898)

**Currently charting:** #184 Top Paid · Food & Drink (US App Store)

Access a comprehensive database of purine and uric acid content for around 600 foods, categorized for easy browsing. Create custom lists of preferred or avoided foods and add personal notes. Share detailed information via email.

**Highlights:** Purine and uric acid details for 600+ foods, Grouped by food categories, Sortable by name or purine value, Create custom food lists, Add personal comments and annotations, Share details via email, Multi-language support (English, German, French)

**In-app purchases:** none


### Tastingnotes

[App page](https://appshunter.io/ios/app/tastingnotes/id1587674045)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Purine free?

Purine costs $1.99, with no in-app purchases.

### Is Tastingnotes free?

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

### Do Purine or Tastingnotes have ads?

Neither Purine nor Tastingnotes shows ads.

### Which is updated more often, Purine or Tastingnotes?

Purine ships an update every 7 months, and Tastingnotes every 9 months. Most recently, Purine was updated on September 27, 2026 and Tastingnotes on September 22, 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.*