# interChem vs DBM Lookup Utility

The clearest difference is update cadence: DBM Lookup Utility at every 3 days against interChem's every 3 weeks. interChem's advantage is device support (4 vs 1) and iOS requirement (14.0 vs 17.6). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for interChem against 5.0 for DBM Lookup Utility. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

interChem ships an update every 3 weeks, DBM Lookup Utility every 3 days. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | interChem | DBM Lookup Utility |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/interchem/id1549651849/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/dbm-lookup-utility/id6740751081/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Monetization | Free | Free |
| Size | 1 MB | 3 MB |
| Requires iOS | **14.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [interfinity Limited](https://appshunter.io/developer/1774724445) | [Eric Peterson](https://appshunter.io/developer/460093943) |

## What reviewers say

### interChem

[App page](https://appshunter.io/ios/app/interchem/id1549651849)

Calculate atomic and molecular masses, element percentages, and view a periodic table. Features dynamic font sizing and Split View support for iPad.

**Highlights:** Atomic and molecular mass calculation, Element percentage calculation, Periodic table with element classification, Dynamic font size support, Split View and drag-and-drop for iPad

**In-app purchases:** none


### DBM Lookup Utility

[App page](https://appshunter.io/ios/app/dbm-lookup-utility/id6740751081)

This utility simplifies the creation of Distillation Boundary Maps for ternary systems. It visually represents equilibrium behavior and separation pathways, making complex distillation processes more accessible.

**Highlights:** Simplifies Distillation Boundary Map creation, Visualizes equilibrium behavior, Highlights separation pathways, User-friendly lookup procedure, Requires only relative boiling points

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

**In-app purchases:** none


## Frequently asked questions

### Is interChem free?

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

### Is DBM Lookup Utility free?

DBM Lookup Utility is free to download, with no in-app purchases.

### Which has better reviews, interChem or DBM Lookup Utility?

interChem and DBM Lookup Utility are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do interChem or DBM Lookup Utility have ads?

Neither interChem nor DBM Lookup Utility shows ads.

### Which is updated more often, interChem or DBM Lookup Utility?

interChem ships an update every 3 weeks, and DBM Lookup Utility every 3 days. Most recently, interChem was updated on November 3, 2026 and DBM Lookup Utility on November 4, 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.*