# Otteretto vs Fill Multicolor

The clearest difference is review sentiment: Otteretto at 100% against Fill Multicolor's 0%. Otteretto also leads on rating (5.0 vs 4.0) and ads (none vs shown). Fill Multicolor's advantage is update cadence (every 5 weeks vs every 9 months) and iOS requirement (11.0 vs 14.0). On price, ratings volume, in-app purchases and monetization model there is nothing between them.

Both are free to download. Otteretto sells 1 one-off in-app purchase and Fill Multicolor sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Otteretto holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Otteretto's written reviews are positive against 0% of Fill Multicolor's.

Otteretto ships an update every 9 months, Fill Multicolor every 5 weeks. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Otteretto | Fill Multicolor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (8 ratings)](https://appshunter.io/ios/app/otteretto/id1608448950/reviews)** | [4.0 (3 ratings)](https://appshunter.io/ios/app/fill-multicolor-line-puzzle/id1664318413/reviews) |
| Number of ratings | **8** | 3 |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 weeks** |
| Monetization | Freemium | Free with in-app purchases |
| Size | 14 MB | 26 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Klimowski](https://appshunter.io/developer/1608448952) | [Viviana Baeza](https://appshunter.io/developer/1664318415) |

## What reviewers say

### Otteretto

[App page](https://appshunter.io/ios/app/otteretto/id1608448950)

A unique puzzle game where players create palindromes using letters and otters. It offers multiple endlessly replayable game modes, including daily challenges and competitive leaderboards.

**Highlights:** Unique palindrome puzzle mechanics, Five endlessly replayable game modes, Daily global competition, Logical reasoning puzzles, Competitive cross-platform leaderboards, No ads or microtransactions

**Features:** Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Upgrade | $2.99 | one-time |


### Fill Multicolor

[App page](https://appshunter.io/ios/app/fill-multicolor-line-puzzle/id1664318413)

Connect dots in a unique puzzle game that offers mind-teasing challenges. Train your brain with over 1,250 levels of increasing difficulty and enjoy a relaxing, minimalist experience. Play anywhere for free.

**Highlights:** Over 1250 handcrafted levels, Unique two-color dot mechanic, Gradually increasing difficulty, Minimalist design with beautiful colors, Brain training and logical challenges, Free hints available

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 4 Dots pack | $0.99 | one-time |
| 8 Dots pack | $1.99 | one-time |
| 70 Hints Pack | $1.99 | one-time |
| 120 Hints Pack | $2.99 | one-time |
| Remove Ads | $3.99 | one-time |
| 250 Hints Pack | $5.99 | one-time |
| 500 Hints Pack | $9.99 | one-time |


## Frequently asked questions

### Is Otteretto free?

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

### Is Fill Multicolor free?

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

### Which has better reviews, Otteretto or Fill Multicolor?

Otteretto is rated higher. Otteretto averages 5.0 out of 5 from 8 ratings, while Fill Multicolor averages 4.0 from 3 ratings.

### Do Otteretto or Fill Multicolor have ads?

Fill Multicolor shows ads; Otteretto does not.

### Which is updated more often, Otteretto or Fill Multicolor?

Otteretto ships an update every 9 months, and Fill Multicolor every 5 weeks. Most recently, Otteretto was updated on October 12, 2026 and Fill Multicolor on October 18, 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.*