# 2581=? vs DailyDecipher

The clearest difference is in-app purchases: 2581=? at none against DailyDecipher's 1. 2581=? also leads on ads (none vs shown) and iOS requirement (7.0 vs 17.0). DailyDecipher's advantage is update cadence (fortnightly vs every 9 months). On price and device support there is nothing between them.

Both are free to download. DailyDecipher sells 1 one-off in-app purchase. 2581=? asks for nothing beyond the download.

2581=? ships an update every 9 months, DailyDecipher fortnightly. The most recent releases landed on October 11, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | 2581=? | DailyDecipher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (7 ratings)](https://appshunter.io/ios/app/2581/id517654307/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Fortnightly** |
| Monetization | Free | — |
| Size | 6 MB | 8 MB |
| Requires iOS | **7.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [RUCKYGAMES CO., LTD.](https://appshunter.io/developer/315948909) | [HardCode est. for Information Technology](https://appshunter.io/developer/1571544243) |

## What reviewers say

### 2581=?

[App page](https://appshunter.io/ios/app/2581/id517654307)

A simple puzzle game where players select the correct answer by tapping. It challenges users to think differently and rely on intuition rather than logic.

**Highlights:** Intuitive tap-based gameplay, Pattern recognition challenges, Minimalist design, Quick play sessions

**In-app purchases:** none


### DailyDecipher

[App page](https://appshunter.io/ios/app/dailydecipher/id6670185056)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Extra Ciphers | $2.99 | one-time |


## Frequently asked questions

### Is 2581=? free?

2581=? is free to download, with no in-app purchases.

### Is DailyDecipher free?

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

### Do 2581=? or DailyDecipher have ads?

DailyDecipher shows ads; 2581=? does not.

### Which is updated more often, 2581=? or DailyDecipher?

2581=? ships an update every 9 months, and DailyDecipher fortnightly. Most recently, 2581=? was updated on October 11, 2026 and DailyDecipher on October 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*