# Arista Reader vs Pure Ninja

The clearest difference is price: Arista Reader at Free against Pure Ninja's $5.99. Arista Reader also leads on update cadence (every 3 days vs every 5 months). Pure Ninja's advantage is rating (4.0 vs 1.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Arista Reader is free to download; Pure Ninja costs $5.99 up front. Arista Reader sells 1 in-app purchase, starting at $31.99 per year and Pure Ninja sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Pure Ninja holds the better App Store score, 4.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 4 respectively.

Arista Reader ships an update every 3 days, Pure Ninja every 5 months. The most recent releases landed on September 27, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Arista Reader | Pure Ninja |
| --- | --- | --- |
| Price | **Free** | $5.99 |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/arista-reader/id1604788879/reviews) | **[4.0 (4 ratings)](https://appshunter.io/ios/app/pure-ninja/id6477880943/reviews)** |
| Number of ratings | 2 | **4** |
| Positive reviews | — | 66.7% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 months |
| Monetization | Freemium | Free with in-app purchases |
| Size | 45 MB | 1 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alpha-Kinetic Systems](https://appshunter.io/developer/483443617) | [Krzysztof Guz](https://appshunter.io/developer/1463664836) |

## What reviewers say

### Arista Reader

[App page](https://appshunter.io/ios/app/arista-reader/id1604788879)

This app uses OCR technology to scan product labels, identify ingredients, and flag potential allergens or harmful substances. Users can create custom lists of ingredients to avoid or include, personalizing their product analysis for informed purchasing decisions.

**Highlights:** OCR label scanning, Ingredient identification, Customizable avoid/include lists, Synonym recognition for ingredients, Extensive database of substances, Personalized product insights

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Yearly Subscription | $31.99 | per year |


### Pure Ninja

[App page](https://appshunter.io/ios/app/pure-ninja/id6477880943)

Scan product ingredient lists with your camera to identify potentially harmful substances in food and cosmetics. Get instant analysis and learn about health risks associated with ingredients to make informed choices for a healthier lifestyle.

**Highlights:** Ingredient recognition via image scanning, Database of harmful ingredients, Instant analysis of product labels, Health risk information for ingredients, User-friendly interface, Educational resources on healthier alternatives, Community support forum

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ninja Pure Monthly | $0.99 | per month |
| Ninja Pure Yearly | $8.99 | per year |


## Frequently asked questions

### Is Arista Reader free?

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

### Is Pure Ninja free?

Pure Ninja costs $5.99, and also offers in-app purchases.

### Which has better reviews, Arista Reader or Pure Ninja?

Pure Ninja is rated higher. Arista Reader averages 1.0 out of 5 from 2 ratings, while Pure Ninja averages 4.0 from 4 ratings.

### Do Arista Reader or Pure Ninja have ads?

Neither Arista Reader nor Pure Ninja shows ads.

### Which is updated more often, Arista Reader or Pure Ninja?

Arista Reader ships an update every 3 days, and Pure Ninja every 5 months. Most recently, Arista Reader was updated on September 27, 2026 and Pure Ninja on October 2, 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.*