# NASA Battery Viewer vs SolverApp V2

The clearest difference is update cadence: SolverApp V2 at every 2 weeks against NASA Battery Viewer's every 4 months. NASA Battery Viewer's advantage is iOS requirement (11.3 vs 17). 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.

NASA Battery Viewer ships an update every 4 months, SolverApp V2 every 2 weeks. The most recent releases landed on October 13, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | NASA Battery Viewer | SolverApp V2 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 29 MB |
| Requires iOS | **11.3** | 17 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Neverest Limited](https://appshunter.io/developer/1360645388) | [Solver No](https://appshunter.io/developer/1498196166) |

## What reviewers say

### NASA Battery Viewer

[App page](https://appshunter.io/ios/app/nasa-battery-viewer/id1441904780)

Monitor battery information from a Bluetooth device with customizable display options. Configure units, view charging status, and rename your device for easy identification.

**Highlights:** Customizable display fields, Primary field selection, Charging/discharging indicator, Unit property configuration, Bluetooth LE communication, Automatic device connection, Unit renaming

**Features:** macOS Compatibility

**In-app purchases:** none


### SolverApp V2

[App page](https://appshunter.io/ios/app/solverapp-v2/id6624294933)

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

**In-app purchases:** none


## Frequently asked questions

### Is NASA Battery Viewer free?

NASA Battery Viewer is free to download, with no in-app purchases.

### Is SolverApp V2 free?

SolverApp V2 is free to download, with no in-app purchases.

### Do NASA Battery Viewer or SolverApp V2 have ads?

Neither NASA Battery Viewer nor SolverApp V2 shows ads.

### Which is updated more often, NASA Battery Viewer or SolverApp V2?

NASA Battery Viewer ships an update every 4 months, and SolverApp V2 every 2 weeks. Most recently, NASA Battery Viewer was updated on October 13, 2026 and SolverApp V2 on October 18, 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.*