# Trilogic vs Fill Line

Trilogic and Fill Line both sit at 4.7 stars, but that hides the real split: 91% of Trilogic's written reviews are positive against 0% of Fill Line's. Trilogic also leads on ratings volume (67 vs 9). Fill Line's advantage is price (Free vs $1.99) and update cadence (monthly vs every 24 months). On rating, ads, in-app purchases and device support there is nothing between them.

Fill Line is free to download; Trilogic costs $1.99 up front. Trilogic sells 1 one-off in-app purchase and Fill Line sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.7 for Trilogic against 4.6 for Fill Line. That said, the two scores are not equally well evidenced: Trilogic has 67 ratings behind it against 9, so its average is the more settled of the two. Written reviews are what separate them: 91% of Trilogic's written reviews are positive against 0% of Fill Line's.

Trilogic ships an update every 24 months, Fill Line monthly. The most recent releases landed on November 2, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Trilogic | Fill Line |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.7 (67 ratings)](https://appshunter.io/ios/app/trilogic/id1192393872/reviews)** | [4.6 (9 ratings)](https://appshunter.io/ios/app/fill-line/id1370347879/reviews) |
| Number of ratings | **67** | 9 |
| Positive reviews | **91.4% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 24 months | **Monthly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 155 MB |
| Requires iOS | 11.0 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [1Button SARL](https://appshunter.io/developer/388888785) | [Mudotek Mobile Games](https://appshunter.io/developer/1173388366) |

## What reviewers say

### Trilogic

[App page](https://appshunter.io/ios/app/trilogic/id1192393872)

Engage your mind with 180 challenging logic puzzles. This game presents a series of elemental interactions, requiring you to deduce the correct sequence to solve each puzzle.

**Highlights:** 180 logic puzzles, Elemental interactions, Brain challenging, Deductive reasoning, Follow-up to Bicolor

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pack of 10 keys | $0.99 | one-time |

**What reviewers like**

- 👍 Simple and intuitive gameplay
- 🧠 Mentally challenging puzzles
- 💡 Innovative game concept
- 🎨 Visually appealing design
- ⏳ Great for short breaks

**What reviewers complain about**

- 🤔 Can become repetitive
- 💰 High price (mentioned in one review)
- 😠 Frustrating difficulty spikes (e.g., Leaf levels)
- 👎 Ugly graphics (mentioned in one review)
- 🔊 Annoying sounds (mentioned in one review)

**Reported bugs**

- Game freezes after review prompt
- Doesn't work / Can't get past opening screen

**Requested features**

- Way to reset levels for different users or start over
- More variety in levels, obstacles or traps
- Option for hints instead of skipping puzzles
- DLC or more levels


### Fill Line

[App page](https://appshunter.io/ios/app/fill-line/id1370347879)

This puzzle game challenges players to fill all points using a single line. It offers two distinct modes with multiple difficulty levels and thousands of engaging levels to master.

**Highlights:** Fill Full mode, One Line mode, 8 difficulty levels per mode, 1600 levels in Fill Full, 1600 levels in One Line, 3200 total levels

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 HINTS | $0.99 | one-time |
| 25 HINTS | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is Trilogic free?

Trilogic costs $1.99, and also offers in-app purchases.

### Is Fill Line free?

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

### Which has better reviews, Trilogic or Fill Line?

Trilogic is rated higher. Trilogic averages 4.7 out of 5 from 67 ratings, while Fill Line averages 4.6 from 9 ratings.

### Do Trilogic or Fill Line have ads?

Neither Trilogic nor Fill Line shows ads.

### Which is updated more often, Trilogic or Fill Line?

Trilogic ships an update every 24 months, and Fill Line monthly. Most recently, Trilogic was updated on November 2, 2026 and Fill Line 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.*