# Synonym Stack vs Mindrush

The clearest difference is in-app purchases: Mindrush at none against Synonym Stack's 1. Mindrush also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). On price, review sentiment, device support and iOS requirement there is nothing between them.

Both are free to download. Synonym Stack sells 1 one-off in-app purchase. Mindrush asks for nothing beyond the download.

Synonym Stack ships an update every 3 weeks, Mindrush every 3 days. The most recent releases landed on August 7, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Synonym Stack | Mindrush |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mindrush-brain-speed-game/id6780897895/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 56 MB | 43 MB |
| Requires iOS | 17.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [MOMENTUMLABAI PTY LTD](https://appshunter.io/developer/1825573523) | [Yazan Aesmael](https://appshunter.io/developer/1882806268) |

## What reviewers say

### 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

**In-app purchases (1)**

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


### Mindrush

[App page](https://appshunter.io/ios/app/mindrush-brain-speed-game/id6780897895)

Engage in a rapid-paced brain-training game that challenges you to match tiles based on their relationships before time expires. Improve your speed, accuracy, and focus with quick daily sessions and track your progress through various game modes and weekly leagues.

**Highlights:** Fast-paced tile matching, Match by relationship (synonyms, math, geography), Timed challenges, Daily streak and XP progression, Weekly competitive leagues, Personalized brain insights, Math, word, and geography tracks

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Synonym Stack free?

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

### Is Mindrush free?

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

### Do Synonym Stack or Mindrush have ads?

Synonym Stack shows ads; Mindrush does not.

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

Synonym Stack ships an update every 3 weeks, and Mindrush every 3 days. Most recently, Synonym Stack was updated on August 7, 2026 and Mindrush on September 24, 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.*