# Purine vs Jarsty

The clearest difference is price: Jarsty at Free against Purine's $1.99. Jarsty also leads on update cadence (every 3 months vs every 7 months). Purine's advantage is chart position (#174 vs unranked) and device support (3 vs 1). On ads and in-app purchases there is nothing between them.

Jarsty 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, Jarsty every 3 months. The most recent releases landed on October 13, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | Purine | Jarsty |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 47.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Monetization | Paid | — |
| Best chart rank | **#174** | — |
| Size | 2 MB | 17 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Tsigosys](https://appshunter.io/developer/538026145) | [JARSTY SRL](https://appshunter.io/developer/1708878028) |

## What reviewers say

### Purine

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

**Currently charting:** #174 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


### Jarsty

[App page](https://appshunter.io/ios/app/jarsty/id6467632399)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Purine free?

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

### Is Jarsty free?

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

### Do Purine or Jarsty have ads?

Neither Purine nor Jarsty shows ads.

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

Purine ships an update every 7 months, and Jarsty every 3 months. Most recently, Purine was updated on October 13, 2026 and Jarsty on October 7, 2026.

---

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