# Stelar 3.14 vs Rytability

The clearest difference is in-app purchases: Stelar 3.14 at none against Rytability's 2. Stelar 3.14 also leads on iOS requirement (13.0 vs 18.0). Rytability's advantage is update cadence (weekly vs every 4 months). On price, review sentiment, ads and monetization model there is nothing between them.

Both are free to download. Rytability sells 2 in-app purchases, starting at $8.99 per month. Stelar 3.14 asks for nothing beyond the download.

Stelar 3.14 ships an update every 4 months, Rytability weekly. The most recent releases landed on October 2, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | Stelar 3.14 | Rytability |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/rytability/id6756857725/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Monetization | Free | Free |
| Size | 17 MB | 2.5 GB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Stylianos Karantonas](https://appshunter.io/developer/1658313253) | [Rytech Labs LLC](https://appshunter.io/developer/1840291490) |

## What reviewers say

### Stelar 3.14

[App page](https://appshunter.io/ios/app/stelar-314/id1658313251)

This app assists jewelers with essential calculations and conversions for their craft. It offers tools for ring sizing, unit conversions, metal to wax weight determination, and alloy calculations, streamlining the jewelry-making process.

**Highlights:** Ring size calculator, Unit converters (cm/inches, Oz/grams), Metal to wax weight converter, Alloy calculator, Client and finger dimension storage, Save and share conversion results

**Features:** macOS Compatibility

**In-app purchases:** none


### Rytability

[App page](https://appshunter.io/ios/app/rytability/id6756857725)

This AI-powered writing companion enhances clarity and confidence for individuals with dyslexia and other writing challenges. It offers on-device processing to improve spelling, grammar, and sentence structure while preserving the user's authentic voice. The tool supports learning and independence without compromising privacy.

**Highlights:** AI-powered writing improvement, One-touch summarization, Highlighted edits with explanations, Unlimited AI usage, Fully offline functionality, Zero data collection, Speech-to-text transcription, Read aloud functionality

**Features:** Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Rytability Monthly | $8.99 | per month |
| Rytability Yearly | $89.99 | per year |


## Frequently asked questions

### Is Stelar 3.14 free?

Stelar 3.14 is free to download, with no in-app purchases.

### Is Rytability free?

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

### Do Stelar 3.14 or Rytability have ads?

Neither Stelar 3.14 nor Rytability shows ads.

### Which is updated more often, Stelar 3.14 or Rytability?

Stelar 3.14 ships an update every 4 months, and Rytability weekly. Most recently, Stelar 3.14 was updated on October 2, 2026 and Rytability on October 6, 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.*