# Morphos vs Synonym Stack

The clearest difference is ads: Morphos at none against Synonym Stack's shown. Morphos also leads on iOS requirement (15.6 vs 17.0). Synonym Stack's advantage is update cadence (every 3 weeks vs every 10 months) and review sentiment (100% vs 82%). On price, in-app purchases, monetization model and device support there is nothing between them.

Both are free to download. Morphos sells 5 one-off in-app purchases and Synonym Stack sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Morphos ships an update every 10 months, Synonym Stack every 3 weeks. The most recent releases landed on October 3, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Morphos | Synonym Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (16 ratings)](https://appshunter.io/ios/app/morphos/id924128008/reviews)** | — |
| Number of ratings | **16** | — |
| Positive reviews | 82.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 months | **Every 3 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 26 MB | 56 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Jay Bacal](https://appshunter.io/developer/436790004) | [MOMENTUMLABAI PTY LTD](https://appshunter.io/developer/1825573523) |

## What reviewers say

### Morphos

[App page](https://appshunter.io/ios/app/morphos/id924128008)

Unscramble letters to reveal hidden words in this transforming anagram puzzle game. Exercise your brain with challenging puzzles and compete with friends on the leaderboard. Free hints are available to help you along the way.

**Highlights:** Transforming anagram puzzles, Brain exercise, Free hints, Art Deco styling, Game Center Leaderboard, In-app puzzle packs

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Puzzle Pack 2 | $0.99 | one-time |
| Puzzle Pack 3 | $0.99 | one-time |
| Puzzle Pack 4 | $0.99 | one-time |
| Puzzle Pack 5 | $0.99 | one-time |
| Unlock All Puzzle Packs | $1.99 | one-time |


### Synonym Stack

[App page](https://appshunter.io/ios/app/synonym-stack-word-match-game/id6748382091)

This word game boosts your vocabulary by challenging you to find correct synonyms. Enjoy a clean, distraction-free experience designed for all ages to improve language skills at your own pace.

**Highlights:** Vocabulary building, Synonym matching, No timers or distractions, Play at your own pace, Intuitive interface, Ad-free upgrade available

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $4.99 | one-time |


## Frequently asked questions

### Is Morphos free?

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

### Is Synonym Stack free?

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

### Do Morphos or Synonym Stack have ads?

Synonym Stack shows ads; Morphos does not.

### Which is updated more often, Morphos or Synonym Stack?

Morphos ships an update every 10 months, and Synonym Stack every 3 weeks. Most recently, Morphos was updated on October 3, 2026 and Synonym Stack 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.*