# Project SPECTRA! vs Spell & Learn

The clearest difference is update cadence: Spell & Learn at every 4 days against Project SPECTRA!'s every 33 months. Project SPECTRA!'s advantage is iOS requirement (12.0 vs 16.6). 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.

Project SPECTRA! ships an update every 33 months, Spell & Learn every 4 days. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Project SPECTRA! | Spell & Learn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 4 days** |
| Size | 13 MB | 28 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [University of Colorado Boulder](https://appshunter.io/developer/972210292) | [jianfeng xuan](https://appshunter.io/developer/894316102) |

## What reviewers say

### Project SPECTRA!

[App page](https://appshunter.io/ios/app/project-spectra/id1561634722)

**Features:** macOS Compatibility

**In-app purchases:** none


### Spell & Learn

[App page](https://appshunter.io/ios/app/spell-and-learn/id6736675588)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Project SPECTRA! free?

Project SPECTRA! is free to download, with no in-app purchases.

### Is Spell & Learn free?

Spell & Learn is free to download, with no in-app purchases.

### Do Project SPECTRA! or Spell & Learn have ads?

Neither Project SPECTRA! nor Spell & Learn shows ads.

### Which is updated more often, Project SPECTRA! or Spell & Learn?

Project SPECTRA! ships an update every 33 months, and Spell & Learn every 4 days. Most recently, Project SPECTRA! was updated on October 6, 2026 and Spell & Learn 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.*