# Calco vs NoFearStem+

The clearest difference is update cadence: NoFearStem+ at daily against Calco's every 5 months. Calco's advantage is iOS requirement (17.0 vs 26.0). 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.

Calco ships an update every 5 months, NoFearStem+ daily. The most recent releases landed on September 15, 2026 and May 17, 2026 respectively.

## The numbers

| Metric | Calco | NoFearStem+ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Daily** |
| Size | 12 MB | 12 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Cole Cobb](https://appshunter.io/developer/1795715624) | [No Fear LLC](https://appshunter.io/developer/1889171472) |

## What reviewers say

### Calco

[App page](https://appshunter.io/ios/app/calco-math-game/id6745135298)

**Features:** macOS Compatibility

**In-app purchases:** none


### NoFearStem+

[App page](https://appshunter.io/ios/app/nofearstem-plus/id6761370719)

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

**In-app purchases:** none


## Frequently asked questions

### Is Calco free?

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

### Is NoFearStem+ free?

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

### Do Calco or NoFearStem+ have ads?

Neither Calco nor NoFearStem+ shows ads.

### Which is updated more often, Calco or NoFearStem+?

Calco ships an update every 5 months, and NoFearStem+ daily. Most recently, Calco was updated on September 15, 2026 and NoFearStem+ on May 17, 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.*