# Kopp's Custard Flavor Preview vs GEM2go

The clearest difference is rating: GEM2go at 3.0 against Kopp's Custard Flavor Preview's 2.5. GEM2go also leads on update cadence (every 4 weeks vs every 8 months). Kopp's Custard Flavor Preview's advantage is ratings volume (30 vs 2). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

GEM2go holds the better App Store score, 3.0 against 2.5. That said, the two scores are not equally well evidenced: Kopp's Custard Flavor Preview has 30 ratings behind it against 2, so its average is the more settled of the two.

Kopp's Custard Flavor Preview ships an update every 8 months, GEM2go every 4 weeks. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Kopp's Custard Flavor Preview | GEM2go |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.5 (30 ratings)](https://appshunter.io/ios/app/kopps-custard-flavor-preview/id6443680534/reviews) | **[3.0 (2 ratings)](https://appshunter.io/ios/app/gem2go/id6748704252/reviews)** |
| Number of ratings | **30** | 2 |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | Free | Free |
| Size | 70 MB | 259 MB |
| Requires iOS | **13.0** | 14.2 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kohart, Inc.](https://appshunter.io/developer/929780908) | [Common CENTS Solutions, Inc.](https://appshunter.io/developer/1099544553) |

## What reviewers say

### Kopp's Custard Flavor Preview

[App page](https://appshunter.io/ios/app/kopps-custard-flavor-preview/id6443680534)

Never miss your favorite frozen custard flavor again. This app provides daily and monthly flavor forecasts, customizable alerts for must-try flavors, and access to shop locations and menus.

**Highlights:** Daily flavor-of-the-day, Monthly flavor forecast (calendar/list), Customizable flavor alerts, Shop location information, Grill and fountain menus

**In-app purchases:** none


### GEM2go

[App page](https://appshunter.io/ios/app/gem2go/id6748704252)

Manage your GEMpay account conveniently and securely. View account balances, transaction history, and receipts. Order meals and make payments directly from your device.

**Highlights:** View account balances, Review transaction history, Access charge receipts, Order meals and pay, Secure login with biometrics, Make GEMpay account payments

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

**In-app purchases:** none


## Frequently asked questions

### Is Kopp's Custard Flavor Preview free?

Kopp's Custard Flavor Preview is free to download, with no in-app purchases.

### Is GEM2go free?

GEM2go is free to download, with no in-app purchases.

### Which has better reviews, Kopp's Custard Flavor Preview or GEM2go?

GEM2go is rated higher. Kopp's Custard Flavor Preview averages 2.5 out of 5 from 30 ratings, while GEM2go averages 3.0 from 2 ratings.

### Do Kopp's Custard Flavor Preview or GEM2go have ads?

Neither Kopp's Custard Flavor Preview nor GEM2go shows ads.

### Which is updated more often, Kopp's Custard Flavor Preview or GEM2go?

Kopp's Custard Flavor Preview ships an update every 8 months, and GEM2go every 4 weeks. Most recently, Kopp's Custard Flavor Preview was updated on November 3, 2026 and GEM2go on November 5, 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.*