# BasicATTCalc vs GlobeSource

The clearest difference is price: GlobeSource at Free against BasicATTCalc's $1.99. GlobeSource also leads on iOS requirement (8.1 vs 14.5). BasicATTCalc's advantage is update cadence (every 29 months vs every 87 months). On ads, in-app purchases and device support there is nothing between them.

GlobeSource is free to download; BasicATTCalc costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

BasicATTCalc ships an update every 29 months, GlobeSource every 87 months. The most recent releases landed on September 20, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | BasicATTCalc | GlobeSource |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 29 months** | Every 87 months |
| Size | 7 MB | 62 MB |
| Requires iOS | 14.5 | **8.1** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [TAKAHIKO FUKUYAMA](https://appshunter.io/developer/857468511) | [Outline Pro Audio](https://appshunter.io/developer/435900893) |

## What reviewers say

### BasicATTCalc

[App page](https://appshunter.io/ios/app/basicattcalc/id947238679)

**Features:** macOS Compatibility

**In-app purchases:** none


### GlobeSource

[App page](https://appshunter.io/ios/app/globesource/id950320139)

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

**In-app purchases:** none


## Frequently asked questions

### Is BasicATTCalc free?

BasicATTCalc costs $1.99, with no in-app purchases.

### Is GlobeSource free?

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

### Do BasicATTCalc or GlobeSource have ads?

Neither BasicATTCalc nor GlobeSource shows ads.

### Which is updated more often, BasicATTCalc or GlobeSource?

BasicATTCalc ships an update every 29 months, and GlobeSource every 87 months. Most recently, BasicATTCalc was updated on September 20, 2026 and GlobeSource on September 21, 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.*