# KnowZee vs Spalyn

The clearest difference is in-app purchases: KnowZee at none against Spalyn's 10. KnowZee also leads on update cadence (weekly vs fortnightly) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

Both are free to download. Spalyn sells 10 in-app purchases, starting at $2.89 per 7 days. KnowZee asks for nothing beyond the download.

KnowZee ships an update weekly, Spalyn fortnightly. The most recent releases landed on November 9, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | KnowZee | Spalyn |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Size | 47 MB | 10 MB |
| Requires iOS | **15.1** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 12+ | 17+ |
| Developer | [Eliezer Tarlow](https://appshunter.io/developer/1819776957) | [Huynh Chi Hai](https://appshunter.io/developer/6808058249) |

## What reviewers say

### KnowZee

[App page](https://appshunter.io/ios/app/knowzee/id6763048684)

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

**In-app purchases:** none


### Spalyn

[App page](https://appshunter.io/ios/app/spalyn-space-share-and-chat/id6808058247)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Spalyn VIP Weekly | $2.89 | per 7 days |
| Spalyn VIP Monthly | $5.99 | per month |
| Spalyn SVIP Weekly | $5.99 | per 7 days |
| Spalyn SVIP Monthly | $8.99 | per month |
| Spalyn Builder Pack | $18.99 | one-time |
| Spalyn Pro Pack | $27.99 | one-time |
| Spalyn Advanced Pack | $39.99 | one-time |
| Spalyn Studio Pack | $54.99 | one-time |
| Spalyn Master Pack | $72.99 | one-time |
| Spalyn Ultimate Pack | $94.99 | one-time |


## Frequently asked questions

### Is KnowZee free?

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

### Is Spalyn free?

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

### Do KnowZee or Spalyn have ads?

Neither KnowZee nor Spalyn shows ads.

### Which is updated more often, KnowZee or Spalyn?

KnowZee ships an update weekly, and Spalyn fortnightly. Most recently, KnowZee was updated on November 9, 2026 and Spalyn on November 6, 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.*