# AuraField vs CalcSpark

The clearest difference is update cadence: AuraField at every 3 weeks against CalcSpark's every 2 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.

AuraField ships an update every 3 weeks, CalcSpark every 2 months. The most recent releases landed on October 11, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | AuraField | CalcSpark |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Size | 19 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Thuy Trang Nguyen](https://appshunter.io/developer/1886609915) | [兵瑞 陈](https://appshunter.io/developer/1886012556) |

## What reviewers say

### AuraField

[App page](https://appshunter.io/ios/app/aurafield-sensor-and-mood-log/id6760877546)

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

**In-app purchases:** none


### CalcSpark

[App page](https://appshunter.io/ios/app/calcspark/id6763822651)

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

**In-app purchases:** none


## Frequently asked questions

### Is AuraField free?

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

### Is CalcSpark free?

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

### Do AuraField or CalcSpark have ads?

Both AuraField and CalcSpark show ads.

### Which is updated more often, AuraField or CalcSpark?

AuraField ships an update every 3 weeks, and CalcSpark every 2 months. Most recently, AuraField was updated on October 11, 2026 and CalcSpark on October 14, 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.*