# Trig Solver vs Ohms Law Calc.

The clearest difference is in-app purchases: Trig Solver at none against Ohms Law Calc.'s 1. Trig Solver also leads on ads (none vs shown) and review sentiment (74% vs 50%). Ohms Law Calc.'s advantage is update cadence (every 2 months vs every 28 months) and rating (4.7 vs 4.3). On price and device support there is nothing between them.

Both are free to download. Ohms Law Calc. sells 1 one-off in-app purchase. Trig Solver asks for nothing beyond the download.

Ohms Law Calc. holds the better App Store score, 4.7 against 4.3. That said, the two scores are not equally well evidenced: Ohms Law Calc. has 1.3K ratings behind it against 78, so its average is the more settled of the two. Written reviews complicate that: 74% of Trig Solver's written reviews are positive against 50% of Ohms Law Calc.'s, so the app with the better star average is not the one people write more warmly about.

Trig Solver ships an update every 28 months, Ohms Law Calc. every 2 months. The most recent releases landed on September 22, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Trig Solver | Ohms Law Calc. |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.3 (78 ratings)](https://appshunter.io/ios/app/trig-solver/id398450227/reviews) | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/ohms-law-calc/id491898006/reviews)** |
| Number of ratings | 78 | **1.3K** |
| Positive reviews | **74.1% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 28 months | **Every 2 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 8 MB | 59 MB |
| Requires iOS | **9.0** | 17.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Creature Code Mobile, LLC](https://appshunter.io/developer/386736750) | [V PUGAZHENTHI](https://appshunter.io/developer/491898049) |

## What reviewers say

### Trig Solver

[App page](https://appshunter.io/ios/app/trig-solver/id398450227)

This application calculates unknown sides and angles of both regular and right triangles. It supports various input combinations, including two sides and an angle, two angles and a side, three sides, or two sides and an angle for right triangles.

**Highlights:** Regular triangle solver, Right triangle solver, Calculate with 2 sides and an angle, Calculate with 2 angles and a side, Calculate with 3 sides, Calculate with side and angle (right triangle)

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Fast calculations
- ✅ Accurate results (for many users)
- 💡 Useful for schoolwork
- 🛠️ Great for job site/machinists

**What reviewers complain about**

- 🐛 Inaccurate results reported
- 💸 Ads are present and distracting
- 📉 Rounding issues
- 🚫 No option to remove ads (for some)
- ⚠️ App stopped working after updates

**Reported bugs**

- Calculator rounds to '7' and '0'
- Regular triangle calculations not correct
- Answers in the wrong place (angles reversed)
- App doesn't work anymore after update
- Can't see input in dark mode

**Requested features**

- Rotate the triangle
- Show the work/steps
- Add square root functionality
- Option to pay to remove ads
- Modify single value without reset


### Ohms Law Calc.

[App page](https://appshunter.io/ios/app/ohms-law-calc/id491898006)

This app provides a comprehensive suite of electrical calculations, including Ohm's Law, voltage drop, wire sizing, and impedance. It also offers numerous converters for various electrical units and parameters, aiding in circuit design and analysis.

**Highlights:** Ohm's Law calculations, Voltage drop calculator, Wire size calculator, Impedance calculations (R, L, C), Electrical unit converters, Power and current conversions, Circuit design tools

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ohms Law Calc. | $3.99 | one-time |

**What reviewers like**

- 🚀 Great value
- 🚀 Works perfectly
- 🚀 Fantastic app
- 👍 Best thing since sliced bread
- 🚀 Useful for electrical work

**What reviewers complain about**

- 👎 Have to pay again for an app already purchased
- 👎 Not easy to use
- 🐛 Paid but not unlocked, no response from developer
- 👎 Annoying pop-ups
- 🐛 Keeps shutting down

**Reported bugs**

- Paid version not unlocking
- Repeatedly prompting for payment after already paid
- Keyboard overlaying results making it difficult to see

**Requested features**

- Add more electrical conversions and calculations
- Add ability to input voltage and resistance to get amps and watts
- Add kVA, rms, and other popular needed conversions


## Frequently asked questions

### Is Trig Solver free?

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

### Is Ohms Law Calc. free?

Ohms Law Calc. is free to download, with in-app purchases available.

### Which has better reviews, Trig Solver or Ohms Law Calc.?

Ohms Law Calc. is rated higher. Trig Solver averages 4.3 out of 5 from 78 ratings, while Ohms Law Calc. averages 4.7 from 1.3K ratings.

### Do Trig Solver or Ohms Law Calc. have ads?

Ohms Law Calc. shows ads; Trig Solver does not.

### Which is updated more often, Trig Solver or Ohms Law Calc.?

Trig Solver ships an update every 28 months, and Ohms Law Calc. every 2 months. Most recently, Trig Solver was updated on September 22, 2026 and Ohms Law Calc. on September 8, 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.*