# Isogram Word Buster vs Walkle

The clearest difference is update cadence: Walkle at daily against Isogram Word Buster's every 2 weeks. Walkle also leads on iOS requirement (15.1 vs 18.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Isogram Word Buster ships an update every 2 weeks, Walkle daily. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Isogram Word Buster | Walkle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (35 ratings)](https://appshunter.io/ios/app/isogram-word-buster/id6758104943/reviews)** | — |
| Number of ratings | **35** | — |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Daily** |
| Monetization | Free | — |
| Size | 6 MB | 31 MB |
| Requires iOS | 18.1 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [John Wright](https://appshunter.io/developer/1863757354) | [John Castle](https://appshunter.io/developer/1895586443) |

## What reviewers say

### Isogram Word Buster

[App page](https://appshunter.io/ios/app/isogram-word-buster/id6758104943)

This word game challenges players to guess words with no repeating letters, offering a unique twist on vocabulary and logic puzzles. It includes a built-in dictionary, daily challenges, and customizable difficulty levels for an engaging experience.

**Highlights:** Isogram word constraint, Integrated dictionary with definitions, Daily and unlimited play modes, Adjustable difficulty levels, Seasonal and custom themes, Detailed statistics tracking

**Features:** macOS Compatibility

**In-app purchases:** none


### Walkle

[App page](https://appshunter.io/ios/app/walkle/id6763984896)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Isogram Word Buster free?

Isogram Word Buster is free to download, with no in-app purchases.

### Is Walkle free?

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

### Do Isogram Word Buster or Walkle have ads?

Neither Isogram Word Buster nor Walkle shows ads.

### Which is updated more often, Isogram Word Buster or Walkle?

Isogram Word Buster ships an update every 2 weeks, and Walkle daily. Most recently, Isogram Word Buster was updated on November 5, 2026 and Walkle on October 31, 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.*