# SPAC^ vs World Field Guide

The clearest difference is update cadence: SPAC^ at every 3 weeks against World Field Guide's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

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

SPAC^ ships an update every 3 weeks, World Field Guide every 4 months. The most recent releases landed on October 15, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SPAC^ | World Field Guide |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 44.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free | — |
| Size | 1 MB | 39 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [CARROT GLOBAL Inc.](https://appshunter.io/developer/994380313) | [GyuBin Hwang](https://appshunter.io/developer/1679956579) |

## What reviewers say

### SPAC^

[App page](https://appshunter.io/ios/app/spac/id1225076497)

This app evaluates speaking abilities by assessing pronunciation, vocabulary, sentence construction, and logical thinking. The test is divided into six parts and takes approximately 15 minutes to complete, including volume and microphone checks.

**Highlights:** Pronunciation assessment, Vocabulary evaluation, Sentence construction analysis, Logical thinking assessment, 6-part speaking test, Volume control, Microphone check

**Features:** macOS Compatibility

**In-app purchases:** none


### World Field Guide

[App page](https://appshunter.io/ios/app/world-field-guide/id6754814370)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is SPAC^ free?

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

### Is World Field Guide free?

World Field Guide is free to download, with no in-app purchases.

### Do SPAC^ or World Field Guide have ads?

Neither SPAC^ nor World Field Guide shows ads.

### Which is updated more often, SPAC^ or World Field Guide?

SPAC^ ships an update every 3 weeks, and World Field Guide every 4 months. Most recently, SPAC^ was updated on October 15, 2026 and World Field Guide on October 14, 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.*