# TelinkBtOTA vs iZeroSphere

TelinkBtOTA and iZeroSphere are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | TelinkBtOTA | iZeroSphere |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Size | 2 MB | 16 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Telink Micro LLC](https://appshunter.io/developer/1535739723) | [BroTecs Technologies, LLC.](https://appshunter.io/developer/835813072) |

## What reviewers say

### TelinkBtOTA

[App page](https://appshunter.io/ios/app/telinkbtota/id1617050375)

**Features:** macOS Compatibility

**In-app purchases:** none


### iZeroSphere

[App page](https://appshunter.io/ios/app/izerosphere/id6739611127)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is TelinkBtOTA free?

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

### Is iZeroSphere free?

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

### Do TelinkBtOTA or iZeroSphere have ads?

Neither TelinkBtOTA nor iZeroSphere shows ads.

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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.*