# KOOLTONG vs Document Directory

The clearest difference is in-app purchases: Document Directory at none against KOOLTONG's 7. KOOLTONG's advantage is update cadence (every 6 days vs fortnightly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. KOOLTONG sells 7 in-app purchases, starting at $3.99 per month. Document Directory asks for nothing beyond the download.

KOOLTONG ships an update every 6 days, Document Directory fortnightly. The most recent releases landed on October 25, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | KOOLTONG | Document Directory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Fortnightly |
| Size | 57 MB | 30 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Wonogong Inc.](https://appshunter.io/developer/1511477824) | [Pearl IT Systems (UK) Limited](https://appshunter.io/developer/1608576750) |

## What reviewers say

### KOOLTONG

[App page](https://appshunter.io/ios/app/kooltong/id1572404373)

**Features:** macOS Compatibility

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kooltong Unlimited | $3.99 | per month |
| Kootong Unlimited 6 months | $8.99 | per 6 months |
| 50 COINS | $2.99 | one-time |
| 300 COINS | $6.99 | one-time |
| 1000 COINS | $10.99 | one-time |
| Unlimited 5 month | $29.99 | one-time |
| 3000 COINS | $39.99 | one-time |


### Document Directory

[App page](https://appshunter.io/ios/app/document-directory/id6443835177)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KOOLTONG free?

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

### Is Document Directory free?

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

### Do KOOLTONG or Document Directory have ads?

Neither KOOLTONG nor Document Directory shows ads.

### Which is updated more often, KOOLTONG or Document Directory?

KOOLTONG ships an update every 6 days, and Document Directory fortnightly. Most recently, KOOLTONG was updated on October 25, 2026 and Document Directory on October 27, 2026.

---

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