# LOK Digital vs TTM Protocol

The clearest difference is in-app purchases: TTM Protocol at none against LOK Digital's 1. LOK Digital's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 18.0). On price and ads there is nothing between them.

Both are free to download. LOK Digital sells 1 one-off in-app purchase. TTM Protocol asks for nothing beyond the download.

## The numbers

| Metric | LOK Digital | TTM Protocol |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (159 ratings)](https://appshunter.io/ios/app/lok-digital/id6476513210/reviews)** | — |
| Number of ratings | **159** | — |
| Positive reviews | 82.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 535 MB | 17 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Draknek Limited](https://appshunter.io/developer/482086711) | [Vicente Parmigiani](https://appshunter.io/developer/1808067497) |

## What reviewers say

### LOK Digital

[App page](https://appshunter.io/ios/app/lok-digital/id6476513210)

Engage with a cryptic language where words possess unique abilities to alter your surroundings. Explore diverse worlds, each introducing new mechanics to solve mind-bending puzzles and help creatures thrive by spelling words that shape their environment.

**Highlights:** Discover cryptic language with world-changing words, Learn new mechanics in 15 distinct worlds, Procedurally generated daily puzzles, Expand LOK creatures' civilization, 150+ puzzle campaign, Daily puzzle mode with leaderboards

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full Game | $5.99 | one-time |

**What reviewers like**

- 👍 Unique and fun puzzles
- 🎨 Charming art style
- 💡 Innovative gameplay mechanics
- 🎉 Engaging and challenging
- 🔓 Generous free trial

**What reviewers complain about**

- 🔒 Paywall locks out majority of content
- 🐛 Occasional bugs and glitches
- 🔌 Requires internet connection
- 💰 Perceived as overpriced for the content

**Reported bugs**

- Levels not progressing as expected
- Purchased content not registering
- Controls not responsive at times

**Requested features**

- Offline mode
- More free content
- Improved controls for tablet/iPad
- Clearer indication of paid vs free content


### TTM Protocol

[App page](https://appshunter.io/ios/app/ttm-protocol/id6755110540)

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

**In-app purchases:** none


## Frequently asked questions

### Is LOK Digital free?

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

### Is TTM Protocol free?

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

### Do LOK Digital or TTM Protocol have ads?

Neither LOK Digital nor TTM Protocol shows ads.

---

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