# Calculator vs Solartelligent

The clearest difference is price: Calculator at $1.99 against Solartelligent's $12.99. Calculator also leads on in-app purchases (none vs 2) and iOS requirement (15.6 vs 17.6). Solartelligent's advantage is rating (4.5 vs 4.0) and update cadence (every 4 weeks vs every 11 months). On ratings volume, ads and device support there is nothing between them.

Calculator costs $1.99 and Solartelligent $12.99 up front. Solartelligent sells 2 in-app purchases, starting at $8.99 per month. Calculator asks for nothing beyond the download.

Solartelligent holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively. Written reviews point the same way: 60% of Calculator's written reviews are positive against 80% of Solartelligent's.

Calculator ships an update every 11 months, Solartelligent every 4 weeks. The most recent releases landed on October 23, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Calculator | Solartelligent |
| --- | --- | --- |
| Price | **$1.99** | $12.99 |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/calculator/id286319444/reviews) | **[4.5 (2 ratings)](https://appshunter.io/ios/app/solartelligent-solar-planner/id6470352546/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | 60.0% of reviews | **80.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 4 weeks** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 15 MB |
| Requires iOS | **15.6** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Byte Works, Inc.](https://appshunter.io/developer/286319447) | [Thomas Moder](https://appshunter.io/developer/1610305855) |

## What reviewers say

### Calculator

[App page](https://appshunter.io/ios/app/calculator/id286319444)

This app offers a comprehensive scientific calculator with multiple modes, including algebraic, scientific, conversions, and logic calculations. It features a user-friendly design with large buttons and remembers your progress if interrupted.

**Highlights:** Algebraic entry, Scientific calculations, Unit conversions (length, area, volume, etc.), Logic calculator (binary, octal, decimal, hex), 10 memory registers, Wide number range support

**Features:** macOS Compatibility

**In-app purchases:** none


### Solartelligent

[App page](https://appshunter.io/ios/app/solartelligent-solar-planner/id6470352546)

Plan and simulate solar energy systems with advanced tools for homeowners and professionals. Analyze solar potential, predict output and savings, and visualize installations using augmented reality. Generate detailed project reports for confident decision-making.

**Highlights:** Global location solar potential analysis, Augmented Reality (AR) sun path and shade simulation, PV energy output and savings prediction, Automatic optimal PV module placement, Detailed project report generation, Inclinometer tool for module alignment, iCloud project synchronization

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Business Subscription, Monthly | $8.99 | per month |
| Business Subscription, Yearly | $89.99 | per year |


## Frequently asked questions

### Is Calculator free?

Calculator costs $1.99, with no in-app purchases.

### Is Solartelligent free?

Solartelligent costs $12.99, and also offers in-app purchases.

### Which has better reviews, Calculator or Solartelligent?

Solartelligent is rated higher. Calculator averages 4.0 out of 5 from 1 ratings, while Solartelligent averages 4.5 from 2 ratings.

### Do Calculator or Solartelligent have ads?

Neither Calculator nor Solartelligent shows ads.

### Which is updated more often, Calculator or Solartelligent?

Calculator ships an update every 11 months, and Solartelligent every 4 weeks. Most recently, Calculator was updated on October 23, 2026 and Solartelligent on October 30, 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.*