# Lab Hack Tools vs OBD Diagnostics

The clearest difference is price: OBD Diagnostics at Free against Lab Hack Tools's $1.99. OBD Diagnostics also leads on update cadence (monthly vs every 23 months). Lab Hack Tools's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

OBD Diagnostics is free to download; Lab Hack Tools costs $1.99 up front. OBD Diagnostics sells 1 one-off in-app purchase. Lab Hack Tools asks for nothing beyond the download.

Lab Hack Tools ships an update every 23 months, OBD Diagnostics monthly. The most recent releases landed on October 3, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Lab Hack Tools | OBD Diagnostics |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 23 months | **Monthly** |
| Monetization | Paid | — |
| Size | 54 MB | 23 MB |
| Requires iOS | **11.0** | 26.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gorasiya Vishal Nanjibhai](https://appshunter.io/developer/1287086933) | [EJSmith](https://appshunter.io/developer/305393602) |

## What reviewers say

### Lab Hack Tools

[App page](https://appshunter.io/ios/app/lab-hack-tools/id1599512433)

This application provides essential tools for laboratory calculations and reference data. It covers molecular biology, chemistry, and physics with features like dilution calculators, buffer libraries, and experiment monitoring tools. Access over 50 tables and charts for scientific topics.

**Highlights:** Dilution calculator, Buffer library with protocols, Mastermix and buffer solution creator, Experiment timers and stopwatches, Scientific tables, charts, and illustrations, Practical tips and tricks

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

**In-app purchases:** none


### OBD Diagnostics

[App page](https://appshunter.io/ios/app/obd-diagnostics/id6759762253)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Lab Hack Tools free?

Lab Hack Tools costs $1.99, with no in-app purchases.

### Is OBD Diagnostics free?

OBD Diagnostics is free to download, with in-app purchases available.

### Do Lab Hack Tools or OBD Diagnostics have ads?

OBD Diagnostics shows ads; Lab Hack Tools does not.

### Which is updated more often, Lab Hack Tools or OBD Diagnostics?

Lab Hack Tools ships an update every 23 months, and OBD Diagnostics monthly. Most recently, Lab Hack Tools was updated on October 3, 2026 and OBD Diagnostics on September 18, 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.*