# Loop Stack vs JT's Mathmory

The clearest difference is in-app purchases: JT's Mathmory at none against Loop Stack's 14. JT's Mathmory also leads on rating (5.0 vs 4.6). Loop Stack's advantage is ratings volume (15 vs 3) and iOS requirement (13.0 vs 15.1). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Loop Stack sells 14 one-off in-app purchases. JT's Mathmory asks for nothing beyond the download.

JT's Mathmory holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Loop Stack has 15 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on October 4, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | Loop Stack | JT's Mathmory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (15 ratings)](https://appshunter.io/ios/app/loop-stack/id6743708033/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/jts-mathmory/id6752426087/reviews)** |
| Number of ratings | **15** | 3 |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | Every 9 days |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 260 MB | 33 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [UNICO STUDIO](https://appshunter.io/developer/1467451326) | [Johnie Rodgers](https://appshunter.io/developer/1542286519) |

## What reviewers say

### Loop Stack

[App page](https://appshunter.io/ios/app/loop-stack/id6743708033)

A visually engaging puzzle game where players strategically stack and match colored threads. The objective is to complete stacks by connecting matching colors, offering a relaxing yet mentally stimulating experience as puzzles increase in difficulty.

**Highlights:** Drag and drop spools, Connect matching thread colors, Complete stacks to clear, Challenging puzzles, Relaxing gameplay

**Features:** macOS Compatibility

**In-app purchases (14)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thanksgiving Treat | $0.99 | one-time |
| Starter Bundle 2 | $0.99 | one-time |
| 1000 Coins | $1.99 | one-time |
| Fail-Proof Offer | $4.99 | one-time |
| No Ads | $6.99 | one-time |
| Essential Bundle 2 | $6.99 | one-time |
| 5000 Coins | $7.99 | one-time |
| No-Ads Bundle | $9.99 | one-time |
| 10000 Coins | $14.99 | one-time |
| Deluxe Bundle 2 | $14.99 | one-time |
| Premium Bundle 2 | $29.99 | one-time |
| 25000 Coins | $29.99 | one-time |
| 50000 Coins | $54.99 | one-time |
| 100000 Coins | $99.99 | one-time |


### JT's Mathmory

[App page](https://appshunter.io/ios/app/jts-mathmory/id6752426087)

This game challenges your memory and math skills by presenting equations. You need to recall if the solution or the exact equation has appeared previously. It's a unique blend of arithmetic and recall.

**Highlights:** Equation presentation, Solution recall, Exact equation memory, Arithmetic challenges, Progressive difficulty

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Loop Stack free?

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

### Is JT's Mathmory free?

JT's Mathmory is free to download, with no in-app purchases.

### Which has better reviews, Loop Stack or JT's Mathmory?

JT's Mathmory is rated higher. Loop Stack averages 4.6 out of 5 from 15 ratings, while JT's Mathmory averages 5.0 from 3 ratings.

### Do Loop Stack or JT's Mathmory have ads?

Both Loop Stack and JT's Mathmory show ads.

### Which is updated more often, Loop Stack or JT's Mathmory?

Loop Stack ships an update every 9 days, and JT's Mathmory every 9 days. Most recently, Loop Stack was updated on October 4, 2026 and JT's Mathmory on September 29, 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.*