# ICS vs EraScopia

The clearest difference is in-app purchases: ICS at none against EraScopia's 10. ICS also leads on update cadence (every 2 months vs every 5 months) and iOS requirement (9.0 vs 18.4). On price, ads and device support there is nothing between them.

Both are free to download. EraScopia sells 10 one-off in-app purchases. ICS asks for nothing beyond the download.

ICS ships an update every 2 months, EraScopia every 5 months. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | ICS | EraScopia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3 ratings)](https://appshunter.io/ios/app/ics-timescale/id1469322356/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 20 MB | 137 MB |
| Requires iOS | **9.0** | 18.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [隽轩 樊](https://appshunter.io/developer/1463394496) | [Andrei Ozerov](https://appshunter.io/developer/1823551811) |

## What reviewers say

### ICS

[App page](https://appshunter.io/ios/app/ics-timescale/id1469322356)

Access authoritative geological time scale data and information on Global Boundary Stratotype Sections and Points (GSSPs). Explore charts, detailed GSSP information, and relevant statistics.

**Highlights:** Demonstration of ICS chart, Detailed GSSP information, GSSP statistics, Authoritative data service

**Features:** macOS Compatibility

**In-app purchases:** none


### EraScopia

[App page](https://appshunter.io/ios/app/erascopia/id6749213814)

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Wonders of the World: Kids | Free | one-time |
| History of Medicine | $0.99 | one-time |
| Literary Classics | $0.99 | one-time |
| Exploration & Colonization | $0.99 | one-time |
| Science for Kids | $0.99 | one-time |
| Timeline of Toys | $0.99 | one-time |
| Physics Breakthroughs | $0.99 | one-time |
| Women’s Rights Movement | $0.99 | one-time |
| Women in History | $0.99 | one-time |
| Space Exploration | $0.99 | one-time |


## Frequently asked questions

### Is ICS free?

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

### Is EraScopia free?

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

### Do ICS or EraScopia have ads?

Neither ICS nor EraScopia shows ads.

### Which is updated more often, ICS or EraScopia?

ICS ships an update every 2 months, and EraScopia every 5 months. Most recently, ICS was updated on November 3, 2026 and EraScopia 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.*