# Cryptogram vs Red Key, Blue Key

The clearest difference is in-app purchases: Red Key, Blue Key at none against Cryptogram's 2. Red Key, Blue Key also leads on ads (none vs shown). Cryptogram's advantage is update cadence (every 2 weeks vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Cryptogram sells 2 one-off in-app purchases. Red Key, Blue Key asks for nothing beyond the download.

Cryptogram ships an update every 2 weeks, Red Key, Blue Key every 2 months. The most recent releases landed on October 23, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Cryptogram | Red Key, Blue Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (773 ratings)](https://appshunter.io/ios/app/cryptogram-word-puzzle-master/id6670599725/reviews)** | — |
| Number of ratings | **773** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 178 MB | 85 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Guru Future Holding Limited](https://appshunter.io/developer/1693569117) | [Jesse Nicholas](https://appshunter.io/developer/1623691096) |

## What reviewers say

### Cryptogram

[App page](https://appshunter.io/ios/app/cryptogram-word-puzzle-master/id6670599725)

This game challenges your logic and vocabulary by having you decipher encoded quotes. Use contextual clues and letter patterns to reveal hidden messages and learn English expressions. Enjoy endless puzzles and a mental workout anytime, anywhere.

**Highlights:** Decode hidden messages, Decrypt letter substitution ciphers, Use contextual clues, Reveal encoded phrases, Utilize hints for assistance, Vast library of quotes, Offline gameplay

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Decades of Hits | $5.99 | one-time |
| Remove Ads Permanently | $7.99 | one-time |

**What reviewers like**

- 👍 Fun and engaging gameplay
- 💡 Variety of word puzzles
- 🚀 Smooth gameplay experience
- 👍 Aesthetically pleasing

**What reviewers complain about**

- 🐛 Difficulty distinguishing numbers
- 🐛 Ads not removed despite paid option
- 🐛 Ads covering gameplay elements
- 🐛 Small font and text size

**Reported bugs**

- Unable to progress to next level
- Ads preventing access to game modes

**Requested features**

- Option to turn off auto-scroll
- Move ads off the gameplay area


### Red Key, Blue Key

[App page](https://appshunter.io/ios/app/red-key-blue-key/id6780584955)

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

**In-app purchases:** none


## Frequently asked questions

### Is Cryptogram free?

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

### Is Red Key, Blue Key free?

Red Key, Blue Key is free to download, with no in-app purchases.

### Do Cryptogram or Red Key, Blue Key have ads?

Cryptogram shows ads; Red Key, Blue Key does not.

### Which is updated more often, Cryptogram or Red Key, Blue Key?

Cryptogram ships an update every 2 weeks, and Red Key, Blue Key every 2 months. Most recently, Cryptogram was updated on October 23, 2026 and Red Key, Blue Key on October 9, 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.*