# Mind Cipher vs Dr. Number

The clearest difference is ads: Mind Cipher at none against Dr. Number's shown. Dr. Number's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, update cadence and in-app purchases there is nothing between them.

Both are free to download. Mind Cipher sells 4 one-off in-app purchases and Dr. Number sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Mind Cipher ships an update weekly, Dr. Number every 2 weeks. The most recent releases landed on October 25, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Mind Cipher | Dr. Number |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/dr-number-bulls-and-cows/id6808881038/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 33 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [箫 王](https://appshunter.io/developer/1841884894) | [4tune3](https://appshunter.io/developer/1850391055) |

## What reviewers say

### Mind Cipher

[App page](https://appshunter.io/ios/app/mind-cipher-code-puzzle-game/id6777428188)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Hint Coins | $0.99 | one-time |
| 15 Hint Coins | $1.99 | one-time |
| Pro Unlock | $2.99 | one-time |
| 50 Hint Coins | $4.99 | one-time |


### Dr. Number

[App page](https://appshunter.io/ios/app/dr-number-bulls-and-cows/id6808881038)

Engage in a number-deduction puzzle game with daily challenges, real-time duels, and global leaderboards. Crack hidden codes using logic and deduction in various game modes.

**Highlights:** Daily code puzzle, Real-time duels, Global rankings, Single play mode, Pencil marks for notes, Unlockable themes and avatars

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Forest Theme | $0.99 | one-time |
| Berry Theme | $0.99 | one-time |
| Starter Pack | $0.99 | one-time |
| Mini Pack | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| Standard Pack | $3.99 | one-time |
| Pro Pack | $9.99 | one-time |


## Frequently asked questions

### Is Mind Cipher free?

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

### Is Dr. Number free?

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

### Do Mind Cipher or Dr. Number have ads?

Dr. Number shows ads; Mind Cipher does not.

### Which is updated more often, Mind Cipher or Dr. Number?

Mind Cipher ships an update weekly, and Dr. Number every 2 weeks. Most recently, Mind Cipher was updated on October 25, 2026 and Dr. Number on October 29, 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.*