# EF Small Stars Progress Test vs Polis Inventory

The clearest difference is in-app purchases: EF Small Stars Progress Test at none against Polis Inventory's 3. EF Small Stars Progress Test also leads on iOS requirement (9.0 vs 16.6). Polis Inventory's advantage is update cadence (every 3 months vs every 9 months) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Polis Inventory sells 3 one-off in-app purchases. EF Small Stars Progress Test asks for nothing beyond the download.

EF Small Stars Progress Test ships an update every 9 months, Polis Inventory every 3 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EF Small Stars Progress Test | Polis Inventory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.9 (8 ratings)](https://appshunter.io/ios/app/polis-inventory/id1527341314/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 months** |
| Monetization | — | Free with in-app purchases |
| Size | 79 MB | 4 MB |
| Requires iOS | **9.0** | 16.6 |
| Devices | iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [English One AG](https://appshunter.io/developer/1547762451) | [Jess Taylor](https://appshunter.io/developer/417821730) |

## What reviewers say

### EF Small Stars Progress Test

[App page](https://appshunter.io/ios/app/ef-small-stars-progress-test/id1460369720)

**Features:** macOS Compatibility

**In-app purchases:** none


### Polis Inventory

[App page](https://appshunter.io/ios/app/polis-inventory/id1527341314)

Explore ancient Greek settlements from the Archaic and Classical periods. This interactive map visualizes and filters historical data based on physical and historical parameters, offering a digital companion to a seminal scholarly work.

**Highlights:** Interactive map of ancient Greek poleis, Search and filter by physical/historical parameters, Data based on scholarly inventory, View parameter definitions in-app, Export data in GeoJSON format, No user data tracking

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $4.99 | one-time |


## Frequently asked questions

### Is EF Small Stars Progress Test free?

EF Small Stars Progress Test is free to download, with no in-app purchases.

### Is Polis Inventory free?

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

### Do EF Small Stars Progress Test or Polis Inventory have ads?

Neither EF Small Stars Progress Test nor Polis Inventory shows ads.

### Which is updated more often, EF Small Stars Progress Test or Polis Inventory?

EF Small Stars Progress Test ships an update every 9 months, and Polis Inventory every 3 months. Most recently, EF Small Stars Progress Test was updated on October 13, 2026 and Polis Inventory on October 24, 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.*