# THINKWARE iVolt vs OBrien Properties

The clearest difference is iOS requirement: THINKWARE iVolt at 12.0 against OBrien Properties's 14.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 6 weeks. The most recent releases landed on October 16, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | THINKWARE iVolt | OBrien Properties |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/thinkware-ivolt/id1330538271/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 8.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 weeks | Every 6 weeks |
| Monetization | Free | — |
| Size | 18 MB | 57 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [THINKWARE SYSTEMS CORPORATION](https://appshunter.io/developer/403472990) | [Purple Stack Ventures Private Limited](https://appshunter.io/developer/1621831858) |

## What reviewers say

### THINKWARE iVolt

[App page](https://appshunter.io/ios/app/thinkware-ivolt/id1330538271)

Monitor and control your iVolt battery's performance wirelessly. View real-time data like capacity, status, temperature, and voltage. Manage settings for optimal battery health and longevity.

**Highlights:** Bluetooth connectivity, Real-time battery capacity display, Charge/discharge status monitoring, Remaining charge/discharge time estimation, Battery temperature display, Input/output voltage and current monitoring

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

**In-app purchases:** none


### OBrien Properties

[App page](https://appshunter.io/ios/app/obrien-properties/id6755426375)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is THINKWARE iVolt free?

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

### Is OBrien Properties free?

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

### Do THINKWARE iVolt or OBrien Properties have ads?

Neither THINKWARE iVolt nor OBrien Properties shows ads.

### Which is updated more often, THINKWARE iVolt or OBrien Properties?

THINKWARE iVolt ships an update every 6 weeks, and OBrien Properties every 6 weeks. Most recently, THINKWARE iVolt was updated on October 16, 2026 and OBrien Properties on September 30, 2026.

---

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