# Patterns Calc Pro vs Bullet BookMark

The clearest difference is review sentiment: Patterns Calc Pro at 100% against Bullet BookMark's 44%. Patterns Calc Pro also leads on ads (none vs shown). Bullet BookMark's advantage is price (Free vs $12.99). On update cadence, in-app purchases, device support and iOS requirement there is nothing between them.

Bullet BookMark is free to download; Patterns Calc Pro costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Patterns Calc Pro ships an update every 2 months, Bullet BookMark every 3 months. Both last shipped on November 3, 2026.

## The numbers

| Metric | Patterns Calc Pro | Bullet BookMark |
| --- | --- | --- |
| Price | $12.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/bullet-bookmark/id1550031598/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | **100.0% of reviews** | 44.4% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | Paid | **Ad-supported** |
| Size | 105 MB | 28 MB |
| Requires iOS | **13.0** | 14.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Hikaru Satomi](https://appshunter.io/developer/1517351491) | [KENICHI YAMAMOTO](https://appshunter.io/developer/1335325739) |

## What reviewers say

### Patterns Calc Pro

[App page](https://appshunter.io/ios/app/patterns-calc-pro-calculator/id1549687006)

A visually customizable calculator with a focus on ease of use and quick calculations. Offers one-handed mode, adjustable colors, and intuitive memo functions. Supports iPad and provides a simple interface for everyday math needs.

**Highlights:** One-handed mode, Automatic color changes, Easy screenshot sharing, Multiple beautiful patterns, Large, readable numbers, Intuitive memo function, Drag and drop button customization

**Features:** macOS Compatibility

**In-app purchases:** none


### Bullet BookMark

[App page](https://appshunter.io/ios/app/bullet-bookmark/id1550031598)

Quickly save and organize favorite content from any app, including articles, videos, and places. Access your saved items by category with a simple swipe, ensuring nothing gets lost. Ideal for those who frequently bookmark information for later reference.

**Highlights:** 0.5-second bookmarking, Unlimited category creation, Tab-type UI for browsing, iCloud backup, Unread bookmark management, New arrivals display

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Patterns Calc Pro free?

Patterns Calc Pro costs $12.99, with no in-app purchases.

### Is Bullet BookMark free?

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

### Do Patterns Calc Pro or Bullet BookMark have ads?

Bullet BookMark shows ads; Patterns Calc Pro does not.

### Which is updated more often, Patterns Calc Pro or Bullet BookMark?

Patterns Calc Pro ships an update every 2 months, and Bullet BookMark every 3 months. Most recently, Patterns Calc Pro was updated on November 3, 2026 and Bullet BookMark on November 3, 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.*