# DeepTime for Geology vs Bench Reference

The clearest difference is price: DeepTime for Geology at Free against Bench Reference's $4.99. DeepTime for Geology also leads on ratings volume (7 vs 2). Bench Reference's advantage is update cadence (weekly vs every 3 months) and review sentiment (100% vs 80%). On rating, ads, in-app purchases and device support there is nothing between them.

DeepTime for Geology is free to download; Bench Reference costs $4.99 up front. 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 DeepTime for Geology against 5.0 for Bench Reference. Both are backed by a comparable volume of ratings — 7 and 2 respectively. Written reviews are what separate them: 80% of DeepTime for Geology's written reviews are positive against 100% of Bench Reference's.

DeepTime for Geology ships an update every 3 months, Bench Reference weekly. The most recent releases landed on October 15, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | DeepTime for Geology | Bench Reference |
| --- | --- | --- |
| Price | **Free** | $4.99 |
| Rating | [5.0 (7 ratings)](https://appshunter.io/ios/app/deeptime-for-geology/id1500200416/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/bench-reference/id6757015545/reviews) |
| Number of ratings | **7** | 2 |
| Positive reviews | 80.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | **Free** | Paid |
| Size | 1 MB | 3 MB |
| Requires iOS | **26.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Hunt Mountain Software](https://appshunter.io/developer/328710008) | [Aaron brown](https://appshunter.io/developer/1864220001) |

## What reviewers say

### DeepTime for Geology

[App page](https://appshunter.io/ios/app/deeptime-for-geology/id1500200416)

Explore an interactive geological time scale with detailed information on each unit, including GSSP definitions and color codes. Search for terms and view GSSPs on a global map. Ideal for geologists, students, and Earth history enthusiasts.

**Highlights:** Interactive geological time scale, Detailed GSSP definitions, CMYK and RGB color codes, Searchable by name or age, Global GSSP map integration, Tips for using time terms

**Features:** Vision Pro support

**In-app purchases:** none


### Bench Reference

[App page](https://appshunter.io/ios/app/bench-reference/id6757015545)

This professional jeweler's reference guide provides comprehensive information on gemstones, metals, and bench techniques. It includes calculators for pricing, measurements, and 3D printing, along with a personal library and learning tools. Essential for jewelers needing quick access to data and procedures without an internet connection.

**Highlights:** Gemstone and material reference, Bench technique guides, Metal properties and working notes, Repair procedures, Measurement and data conversions, Professional calculators, Personal library system

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

**In-app purchases:** none


## Frequently asked questions

### Is DeepTime for Geology free?

DeepTime for Geology is free to download, with no in-app purchases.

### Is Bench Reference free?

Bench Reference costs $4.99, with no in-app purchases.

### Which has better reviews, DeepTime for Geology or Bench Reference?

DeepTime for Geology and Bench Reference are both rated 5.0 out of 5 on the App Store, from 7 and 2 ratings respectively.

### Do DeepTime for Geology or Bench Reference have ads?

Neither DeepTime for Geology nor Bench Reference shows ads.

### Which is updated more often, DeepTime for Geology or Bench Reference?

DeepTime for Geology ships an update every 3 months, and Bench Reference weekly. Most recently, DeepTime for Geology was updated on October 15, 2026 and Bench Reference on October 12, 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.*