# Stoltz Calc vs BASA Gliders

The clearest difference is update cadence: BASA Gliders at every 2 months against Stoltz Calc's every 5 months. 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.

Stoltz Calc ships an update every 5 months, BASA Gliders every 2 months. The most recent releases landed on May 14, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Stoltz Calc | BASA Gliders |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Size | 1 MB | 1 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Stoltz MFG., LLC.](https://appshunter.io/developer/1791006988) | [Babu Srinivasan](https://appshunter.io/developer/1798392258) |

## What reviewers say

### Stoltz Calc

[App page](https://appshunter.io/ios/app/stoltz-calc/id6740665888)

**Features:** macOS Compatibility

**In-app purchases:** none


### BASA Gliders

[App page](https://appshunter.io/ios/app/basa-gliders/id6742435639)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Stoltz Calc free?

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

### Is BASA Gliders free?

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

### Do Stoltz Calc or BASA Gliders have ads?

Neither Stoltz Calc nor BASA Gliders shows ads.

### Which is updated more often, Stoltz Calc or BASA Gliders?

Stoltz Calc ships an update every 5 months, and BASA Gliders every 2 months. Most recently, Stoltz Calc was updated on May 14, 2026 and BASA Gliders on September 10, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*