# Tri vs MTG Compendium

The clearest difference is review sentiment: MTG Compendium at 50% against Tri's 9%. MTG Compendium also leads on update cadence (weekly vs every 2 months). Tri's advantage is in-app purchases (none vs 3) and iOS requirement (7.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. MTG Compendium sells 3 in-app purchases, starting at $2.99 per month. Tri asks for nothing beyond the download.

Tri ships an update every 2 months, MTG Compendium weekly. Both last shipped on October 1, 2026.

## The numbers

| Metric | Tri | MTG Compendium |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (4 ratings)](https://appshunter.io/ios/app/mtg-compendium-deck-builder/id6746125584/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | 9.1% of reviews | **50.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 21 MB | 71 MB |
| Requires iOS | **7.0** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [interpet.co.uk](https://appshunter.io/developer/1226255981) | [Mark Webb](https://appshunter.io/developer/1331970256) |

## What reviewers say

### Tri

[App page](https://appshunter.io/ios/app/tri-spec-2/id1459336568)

Control your aquarium lighting with customizable settings. Schedule sunrise and sunset effects, adjust colors, and access support resources. Requires a specific controller for advanced features.

**Highlights:** Instant controls, 24-hour timer, Customizable colors, Sunrise & sunset simulation, Biotope pre-sets (with controller), Storm function (with controller)

**Features:** macOS Compatibility

**In-app purchases:** none


### MTG Compendium

[App page](https://appshunter.io/ios/app/mtg-compendium-deck-builder/id6746125584)

This app is a comprehensive companion for Magic: The Gathering players. It allows you to scan and collect cards, build and analyze decks with detailed statistics, track your game history, and get personalized advice from an AI deck coach. It also provides tools for exploring game sets and preconstructed decks.

**Highlights:** Card scanning and collection management, Advanced deck building and analysis, Life counter and game log, AI-powered deck advice and insights, Price tracking and history, Set exploration and deck comparison

**Features:** Family Sharing

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Evals and Chat | $2.99 | per month |
| Annual Pro Subscription | $34.99 | per year |
| Compendium 3 Deck Evaluations | $1.99 | one-time |


## Frequently asked questions

### Is Tri free?

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

### Is MTG Compendium free?

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

### Do Tri or MTG Compendium have ads?

Neither Tri nor MTG Compendium shows ads.

### Which is updated more often, Tri or MTG Compendium?

Tri ships an update every 2 months, and MTG Compendium weekly. Most recently, Tri was updated on October 1, 2026 and MTG Compendium on October 1, 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.*