# SPAC^ vs Dodeca Wiki

The clearest difference is in-app purchases: SPAC^ at none against Dodeca Wiki's 2. SPAC^ also leads on device support (3 vs 1) and iOS requirement (13.0 vs 17.0). Dodeca Wiki's advantage is update cadence (every 2 days vs every 3 weeks). On price and ads there is nothing between them.

Both are free to download. Dodeca Wiki sells 2 one-off in-app purchases. SPAC^ asks for nothing beyond the download.

SPAC^ ships an update every 3 weeks, Dodeca Wiki every 2 days. The most recent releases landed on October 7, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | SPAC^ | Dodeca Wiki |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 44.8% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 days** |
| Monetization | Free | — |
| Size | 1 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [CARROT GLOBAL Inc.](https://appshunter.io/developer/994380313) | [Bluecosmium](https://appshunter.io/developer/6805928944) |

## 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


### Dodeca Wiki

[App page](https://appshunter.io/ios/app/dodeca-wiki/id6809117986)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dodeca Light | $1.99 | one-time |
| Dodeca Plus | $5.99 | one-time |


## Frequently asked questions

### Is SPAC^ free?

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

### Is Dodeca Wiki free?

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

### Do SPAC^ or Dodeca Wiki have ads?

Neither SPAC^ nor Dodeca Wiki shows ads.

### Which is updated more often, SPAC^ or Dodeca Wiki?

SPAC^ ships an update every 3 weeks, and Dodeca Wiki every 2 days. Most recently, SPAC^ was updated on October 7, 2026 and Dodeca Wiki on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*