# A Long Time vs DuoLogic

The clearest difference is price: DuoLogic at Free against A Long Time's $0.99. DuoLogic also leads on rating (5.0 vs 3.9) and update cadence (every 11 days vs monthly). A Long Time's advantage is ratings volume (13 vs 1) and iOS requirement (15.6 vs 17.6). On ads, in-app purchases and device support there is nothing between them.

DuoLogic is free to download; A Long Time costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

DuoLogic holds the better App Store score, 5.0 against 3.9. That said, the two scores are not equally well evidenced: A Long Time has 13 ratings behind it against 1, so its average is the more settled of the two.

A Long Time ships an update monthly, DuoLogic every 11 days. The most recent releases landed on October 10, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | A Long Time | DuoLogic |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [3.9 (13 ratings)](https://appshunter.io/ios/app/a-long-time/id1450612495/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/duologic/id6771583734/reviews)** |
| Number of ratings | **13** | 1 |
| Positive reviews | 64.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 11 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 255 MB | 5 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [COTTONGAME Network Technology Co., Ltd.](https://appshunter.io/developer/981521029) | [Angelo Elmudesi](https://appshunter.io/developer/1896315717) |

## What reviewers say

### A Long Time

[App page](https://appshunter.io/ios/app/a-long-time/id1450612495)

An interactive picture book and puzzle game that tells a story of love and promises. Players move blocks to clear obstacles and guide a red line of memory through 60 years of a protagonist's life. Features unique artistic visuals and simple, engaging gameplay.

**Highlights:** Interactive picture book experience, Puzzle gameplay with block manipulation, Rich narrative about love and promises, Unique artistic visuals, Story spanning 60 years

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

**In-app purchases:** none


### DuoLogic

[App page](https://appshunter.io/ios/app/duologic/id6771583734)

This is a pure and addictive binary logic puzzle game based on Binairo/Takuzu rules. It offers a progressive tutorial, multiple board sizes and difficulty levels, and a daily puzzle. Train your mind with this challenging yet easy-to-learn game.

**Highlights:** Binary logic puzzles, Progressive tutorial, Multiple board sizes, Daily puzzles, Special ×4 Mode, Hint system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is A Long Time free?

A Long Time costs $0.99, with no in-app purchases.

### Is DuoLogic free?

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

### Which has better reviews, A Long Time or DuoLogic?

DuoLogic is rated higher. A Long Time averages 3.9 out of 5 from 13 ratings, while DuoLogic averages 5.0 from 1 ratings.

### Do A Long Time or DuoLogic have ads?

Neither A Long Time nor DuoLogic shows ads.

### Which is updated more often, A Long Time or DuoLogic?

A Long Time ships an update monthly, and DuoLogic every 11 days. Most recently, A Long Time was updated on October 10, 2026 and DuoLogic on October 5, 2026.

---

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