# Sight Words vs Flash Words

The clearest difference is in-app purchases: Flash Words at none against Sight Words's 1. Flash Words also leads on iOS requirement (15.1 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Sight Words sells 1 one-off in-app purchase. Flash Words asks for nothing beyond the download.

Sight Words ships an update every 6 days, Flash Words every 4 days. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sight Words | Flash Words |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 days | **Every 4 days** |
| Size | 5 MB | 40 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [JACOB BENJAMIN BENSON](https://appshunter.io/developer/1871502005) | [Kristina Longmuir](https://appshunter.io/developer/6788748637) |

## What reviewers say

### Sight Words

[App page](https://appshunter.io/ios/app/sight-words-learn-to-read/id6758213231)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sight Words Pro | $3.99 | one-time |


### Flash Words

[App page](https://appshunter.io/ios/app/flash-words-reading-practice/id6789767978)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Sight Words free?

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

### Is Flash Words free?

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

### Do Sight Words or Flash Words have ads?

Neither Sight Words nor Flash Words shows ads.

### Which is updated more often, Sight Words or Flash Words?

Sight Words ships an update every 6 days, and Flash Words every 4 days. Most recently, Sight Words was updated on November 9, 2026 and Flash Words 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.*