# Optica vs Prodrafts

The clearest difference is in-app purchases: Optica at none against Prodrafts's 2. Optica also leads on review sentiment (93% vs 70%) and rating (5.0 vs 4.8). Prodrafts's advantage is update cadence (every 3 days vs every 62 months) and ratings volume (3.9K vs 1). On price, ads and device support there is nothing between them.

Both are free to download. Prodrafts sells 2 in-app purchases, starting at $7.99 per year. Optica asks for nothing beyond the download.

Optica holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Prodrafts has 3.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 93% of Optica's written reviews are positive against 70% of Prodrafts's.

Optica ships an update every 62 months, Prodrafts every 3 days. The most recent releases landed on October 2, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Optica | Prodrafts |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optica-app/id930867575/reviews)** | [4.8 (3.9K ratings)](https://appshunter.io/ios/app/prodrafts-infinite-notes/id1545810067/reviews) |
| Number of ratings | 1 | **3.9K** |
| Positive reviews | **92.9% of reviews** | 69.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 62 months | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 83 MB | 227 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Luis Cornejo](https://appshunter.io/developer/930867574) | [EMMO Corp.](https://appshunter.io/developer/1507868195) |

## What reviewers say

### Optica

[App page](https://appshunter.io/ios/app/optica-app/id930867575)

This app assists opticians and optometrists with complex optical calculations. It helps explain optical concepts to clients and includes tools for lens transposition, vertex distance adjustments, and addition calculations.

**Highlights:** Lens transposition with optical cross representation, Distometry for vertex distance power adjustments, Over-correction calculation for toric lenses, Theoretical addition calculation based on age and distance, Approximate lens edge and center thickness calculation

**Features:** macOS Compatibility

**In-app purchases:** none


### Prodrafts

[App page](https://appshunter.io/ios/app/prodrafts-infinite-notes/id1545810067)

This app offers an infinite canvas for note-taking and mind mapping, supporting various file formats and multimedia attachments. Experience natural handwriting and organize all your thoughts and documents in one place for efficient learning and work.

**Highlights:** Infinite expandable canvas, Realistic pen strokes, Supports all file formats, Multimedia attachments, Mind mapping tools, PDF annotation, Customizable paper backgrounds

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Prodrafts Pro | $7.99 | per year |
| Unlock All | $12.99 | one-time |

**What reviewers like**

- 🚀 Syncing works great
- 👍 Infinite canvas
- 👍 Customizable paper backgrounds
- 👍 Supports Apple Pencil
- 👍 Versatile note-taking features

**What reviewers complain about**

- 🐛 Sync issues between devices
- 🐛 Occasional data loss
- 🐛 Buggy performance with large files
- 🔧 Limited English support and documentation
- 🔧 Lack of collaboration features

**Reported bugs**

- Notes disappearing without warning
- Inability to create new drafts
- Eraser tool not working as expected
- Compatibility issues with newer Apple Drawing Format
- Inconsistent translations in the UI

**Requested features**

- Bulk export of notes as PDFs
- Ability to link notes to source content
- Flashcard or spaced repetition feature
- Improved organization with folders and tags
- Dark mode option


## Frequently asked questions

### Is Optica free?

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

### Is Prodrafts free?

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

### Which has better reviews, Optica or Prodrafts?

Optica is rated higher. Optica averages 5.0 out of 5 from 1 ratings, while Prodrafts averages 4.8 from 3.9K ratings.

### Do Optica or Prodrafts have ads?

Neither Optica nor Prodrafts shows ads.

### Which is updated more often, Optica or Prodrafts?

Optica ships an update every 62 months, and Prodrafts every 3 days. Most recently, Optica was updated on October 2, 2026 and Prodrafts on October 13, 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.*