# Solar Panel Calculator Plus vs Jumpstash

The clearest difference is review sentiment: Jumpstash at 100% against Solar Panel Calculator Plus's 25%. Jumpstash also leads on price (Free vs $2.99) and rating (4.2 vs 3.3). Solar Panel Calculator Plus's advantage is ratings volume (23 vs 5) and iOS requirement (12.0 vs 16.6). On ads and in-app purchases there is nothing between them.

Jumpstash is free to download; Solar Panel Calculator Plus costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jumpstash holds the better App Store score, 4.2 against 3.3. Both are backed by a comparable volume of ratings — 23 and 5 respectively. Written reviews point the same way: 25% of Solar Panel Calculator Plus's written reviews are positive against 100% of Jumpstash's.

Solar Panel Calculator Plus ships an update every 47 months, Jumpstash every 2 weeks. The most recent releases landed on August 22, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Solar Panel Calculator Plus | Jumpstash |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.3 (23 ratings)](https://appshunter.io/ios/app/solar-panel-calculator-plus/id1358184660/reviews) | **[4.2 (5 ratings)](https://appshunter.io/ios/app/jumpstash/id1465670860/reviews)** |
| Number of ratings | **23** | 5 |
| Positive reviews | 25.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 47 months | **Every 2 weeks** |
| Monetization | Paid | **Free** |
| Size | 8 MB | 17 MB |
| Requires iOS | **12.0** | 16.6 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Michael Mackintosh II](https://appshunter.io/developer/1281426136) |

## What reviewers say

### Solar Panel Calculator Plus

[App page](https://appshunter.io/ios/app/solar-panel-calculator-plus/id1358184660)

Calculate custom off-grid solar home power systems. Determine the exact number of solar panels and battery capacity needed for your energy usage. Helps plan system size, inverter requirements, and battery bank specifications.

**Highlights:** Calculate solar panel requirements, Determine battery capacity, Calculate inverter size, Estimate daily energy usage, Plan days of autonomy, Optimize battery life calculations

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

**In-app purchases:** none


### Jumpstash

[App page](https://appshunter.io/ios/app/jumpstash/id1465670860)

Securely store backup codes for your accounts in iCloud Keychain. Access them from any device logged into iCloud, ensuring you never lose access to your important services.

**Highlights:** Secure backup code storage, iCloud Keychain integration, Cross-device access, Account lockout prevention, Token generation backup

**In-app purchases:** none


## Frequently asked questions

### Is Solar Panel Calculator Plus free?

Solar Panel Calculator Plus costs $2.99, with no in-app purchases.

### Is Jumpstash free?

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

### Which has better reviews, Solar Panel Calculator Plus or Jumpstash?

Jumpstash is rated higher. Solar Panel Calculator Plus averages 3.3 out of 5 from 23 ratings, while Jumpstash averages 4.2 from 5 ratings.

### Do Solar Panel Calculator Plus or Jumpstash have ads?

Neither Solar Panel Calculator Plus nor Jumpstash shows ads.

### Which is updated more often, Solar Panel Calculator Plus or Jumpstash?

Solar Panel Calculator Plus ships an update every 47 months, and Jumpstash every 2 weeks. Most recently, Solar Panel Calculator Plus was updated on August 22, 2026 and Jumpstash on September 14, 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.*