# DistPad vs Chemistry Helper

The clearest difference is in-app purchases: DistPad at none against Chemistry Helper's 2. DistPad also leads on iOS requirement (12.1 vs 15.6). Chemistry Helper's advantage is update cadence (every 9 days vs every 3 months) and rating (3.4 vs 3.0). On price and ads there is nothing between them.

Both are free to download. Chemistry Helper sells 2 in-app purchases, starting at $4.99 per 7 days. DistPad asks for nothing beyond the download.

Chemistry Helper holds the better App Store score, 3.4 against 3.0. That said, the two scores are not equally well evidenced: Chemistry Helper has 12 ratings behind it against 2, so its average is the more settled of the two.

DistPad ships an update every 3 months, Chemistry Helper every 9 days. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | DistPad | Chemistry Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (2 ratings)](https://appshunter.io/ios/app/distpad/id602147198/reviews) | **[3.4 (12 ratings)](https://appshunter.io/ios/app/chemistry-helper-chem-answer/id6738891734/reviews)** |
| Number of ratings | 2 | **12** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 9 days** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 6 MB |
| Requires iOS | **12.1** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ORBIS BV](https://appshunter.io/developer/602147201) | [Joel Lee Quinones](https://appshunter.io/developer/1782563754) |

## What reviewers say

### DistPad

[App page](https://appshunter.io/ios/app/distpad/id602147198)

Control atmospheric distillation analyzers wirelessly for petroleum and petrochemical labs. Monitor sample status, view results in tables and graphs, and export data to LIMS or printers. Easily set up measurement programs and customize reporting formats.

**Highlights:** Wireless analyzer control, Real-time results viewing, Tabular and graphical reporting, Export to LIMS via FTP, Print to Zebra thermal printer, Customizable reporting formats, Sample parameter adjustment

**Features:** macOS Compatibility

**In-app purchases:** none


### Chemistry Helper

[App page](https://appshunter.io/ios/app/chemistry-helper-chem-answer/id6738891734)

Instantly solve chemistry problems by taking a photo or uploading an image. Get step-by-step explanations for equations and tasks to deepen your understanding. Track all solved problems in a history section for easy review.

**Highlights:** Instant problem solving via photo, Step-by-step equation explanations, History of solved problems, User-friendly interface, Comprehensive learning tool

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Timelapse Creator Weekly Trial | $4.99 | per 7 days |
| Timelapse Creator Weekly Pro | $4.99 | per 7 days |


## Frequently asked questions

### Is DistPad free?

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

### Is Chemistry Helper free?

Chemistry Helper is free to download, with in-app purchases available.

### Which has better reviews, DistPad or Chemistry Helper?

Chemistry Helper is rated higher. DistPad averages 3.0 out of 5 from 2 ratings, while Chemistry Helper averages 3.4 from 12 ratings.

### Do DistPad or Chemistry Helper have ads?

Neither DistPad nor Chemistry Helper shows ads.

### Which is updated more often, DistPad or Chemistry Helper?

DistPad ships an update every 3 months, and Chemistry Helper every 9 days. Most recently, DistPad was updated on November 6, 2026 and Chemistry Helper 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.*