# Secchi vs Igniting Minds

The clearest difference is update cadence: Igniting Minds at every 3 months against Secchi's every 7 months. Secchi's advantage is device support. On price, in-app purchases and iOS requirement there is nothing between them.

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

Secchi ships an update every 7 months, Igniting Minds every 3 months. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Secchi | Igniting Minds |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | — |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 45 MB | 127 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | — |
| Age rating | 4+ | 12+ |
| Developer | [The Secchi Disk Foundation](https://appshunter.io/developer/1487320010) | [IGNITING MINDS ORGANIZATION (IN)](https://appshunter.io/developer/1570815257) |

## What reviewers say

### Secchi

[App page](https://appshunter.io/ios/app/secchi/id1524837284)

**Features:** macOS Compatibility

**In-app purchases:** none


### Igniting Minds

[App page](https://appshunter.io/ios/app/igniting-minds-act-for-earth/id6476493245)

**In-app purchases:** none


## Frequently asked questions

### Is Secchi free?

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

### Is Igniting Minds free?

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

### Which is updated more often, Secchi or Igniting Minds?

Secchi ships an update every 7 months, and Igniting Minds every 3 months. Most recently, Secchi was updated on October 27, 2026 and Igniting Minds on October 25, 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.*