# 장수돌침대 vs THINKWARE iVolt

The clearest difference is update cadence: THINKWARE iVolt at every 6 weeks against 장수돌침대's every 8 months. THINKWARE iVolt also leads on iOS requirement (12.0 vs 15.6). 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.

장수돌침대 ships an update every 8 months, THINKWARE iVolt every 6 weeks. The most recent releases landed on October 6, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | 장수돌침대 | THINKWARE iVolt |
| --- | --- | --- |
| 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 8 months | **Every 6 weeks** |
| Monetization | — | Free |
| Size | 5 MB | 18 MB |
| Requires iOS | 15.6 | **12.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [URIEL ELECTRONICS Inc.](https://appshunter.io/developer/1145162575) | [THINKWARE SYSTEMS CORPORATION](https://appshunter.io/developer/403472990) |

## What reviewers say

### 장수돌침대

[App page](https://appshunter.io/ios/app/id1145162576)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is 장수돌침대 free?

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

### Is THINKWARE iVolt free?

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

### Do 장수돌침대 or THINKWARE iVolt have ads?

Neither 장수돌침대 nor THINKWARE iVolt shows ads.

### Which is updated more often, 장수돌침대 or THINKWARE iVolt?

장수돌침대 ships an update every 8 months, and THINKWARE iVolt every 6 weeks. Most recently, 장수돌침대 was updated on October 6, 2026 and THINKWARE iVolt on October 16, 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.*