# Birthdays 7 vs Base Conversion AI Calculator

The clearest difference is price: Base Conversion AI Calculator at Free against Birthdays 7's $1.99. Birthdays 7's advantage is in-app purchases (none vs 2) and ads (none vs shown). On update cadence, device support and iOS requirement there is nothing between them.

Base Conversion AI Calculator is free to download; Birthdays 7 costs $1.99 up front. Base Conversion AI Calculator sells 2 in-app purchases, starting at $4.99 per 7 days. Birthdays 7 asks for nothing beyond the download.

Birthdays 7 ships an update every 3 months, Base Conversion AI Calculator every 2 months. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Birthdays 7 | Base Conversion AI Calculator |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | — | Free with in-app purchases |
| Size | 21 MB | 123 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Karel Urban](https://appshunter.io/developer/1560492592) | [Juan Antonio Veloz Gutierrez](https://appshunter.io/developer/1810351183) |

## What reviewers say

### Birthdays 7

[App page](https://appshunter.io/ios/app/birthdays-7/id1560492590)

**Features:** macOS Compatibility

**In-app purchases:** none


### Base Conversion AI Calculator

[App page](https://appshunter.io/ios/app/base-conversion-ai-calculator/id6745121596)

Instantly convert numbers between Binary, Decimal, Octal, and Hexadecimal. Get accurate results in seconds with a clean interface. Unlock AI-powered explanations and dark mode with a subscription.

**Highlights:** Instant base conversions, Supports Binary, Decimal, Octal, Hexadecimal, Clean and simple UI, One-tap result copying, AI-powered step-by-step explanations, Dark mode for comfortable use

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO Base Conversion Weekly | $4.99 | per 7 days |
| PRO Base Conversion Yearly | $24.99 | per year |


## Frequently asked questions

### Is Birthdays 7 free?

Birthdays 7 costs $1.99, with no in-app purchases.

### Is Base Conversion AI Calculator free?

Base Conversion AI Calculator is free to download, with in-app purchases available.

### Do Birthdays 7 or Base Conversion AI Calculator have ads?

Base Conversion AI Calculator shows ads; Birthdays 7 does not.

### Which is updated more often, Birthdays 7 or Base Conversion AI Calculator?

Birthdays 7 ships an update every 3 months, and Base Conversion AI Calculator every 2 months. Most recently, Birthdays 7 was updated on October 27, 2026 and Base Conversion AI Calculator on October 28, 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.*