# Bold360ai Chat vs Electronic Circuits Calc Pro

The clearest difference is price: Bold360ai Chat at Free against Electronic Circuits Calc Pro's $4.99. Bold360ai Chat also leads on iOS requirement (11.4 vs 17.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Bold360ai Chat is free to download; Electronic Circuits Calc Pro costs $4.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Bold360ai Chat | Electronic Circuits Calc Pro |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 12 MB | 19 MB |
| Requires iOS | **11.4** | 17.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [GoTo Group, Inc.](https://appshunter.io/developer/299616804) | [ALG Software Lab](https://appshunter.io/developer/1650561236) |

## What reviewers say

### Bold360ai Chat

[App page](https://appshunter.io/ios/app/bold360ai-chat/id1456030318)

**In-app purchases:** none


### Electronic Circuits Calc Pro

[App page](https://appshunter.io/ios/app/electronic-circuits-calc-pro/id1658493129)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Bold360ai Chat free?

Bold360ai Chat is free to download, with no in-app purchases.

### Is Electronic Circuits Calc Pro free?

Electronic Circuits Calc Pro costs $4.99, with no in-app purchases.

### Do Bold360ai Chat or Electronic Circuits Calc Pro have ads?

Neither Bold360ai Chat nor Electronic Circuits Calc Pro shows ads.

### Which is updated more often, Bold360ai Chat or Electronic Circuits Calc Pro?

Bold360ai Chat ships an update every 2 months, and Electronic Circuits Calc Pro every 2 months. Most recently, Bold360ai Chat was updated on October 25, 2026 and Electronic Circuits Calc Pro on October 27, 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.*