# Solvent GPT vs CardStack

The clearest difference is update cadence: Solvent GPT at every 5 days against CardStack's every 2 weeks. CardStack's advantage is chart position (#180 vs unranked). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. Solvent GPT sells 3 in-app purchases, starting at $89.00 per month and CardStack sells 3 in-app purchases, starting at $12.99 per month. Whichever you choose, the download price is not the number that matters.

Solvent GPT ships an update every 5 days, CardStack every 2 weeks. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Solvent GPT | CardStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (53 ratings)](https://appshunter.io/ios/app/cardstack-credit-card-tracker/id6759270863/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | **100.0% of reviews** | 94.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | Freemium |
| Best chart rank | — | **#180** |
| Size | 23 MB | 259 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Solvent.Life LTD](https://appshunter.io/developer/1776150413) | [SPACE ROBOTS INC](https://appshunter.io/developer/1877786048) |

## What reviewers say

### Solvent GPT

[App page](https://appshunter.io/ios/app/solvent-gpt/id6737414942)

This AI-powered finance tool offers an alternative to traditional hedge funds, providing advanced management capabilities without the high annual fees. It aims to make sophisticated investment strategies accessible to a wider audience.

**Highlights:** AI-powered hedge fund management, Cost-effective alternative to traditional funds, Advanced investment strategies, Included with every account

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SolventGPT Pro | $89.00 | per month |
| SolventGPT Pro+ | $199.00 | per month |
| Unlimited | $299.00 | per month |


### CardStack

[App page](https://appshunter.io/ios/app/cardstack-credit-card-tracker/id6759270863)

**Currently charting:** #180 Top Grossing · Finance (US App Store)

This app helps you maximize rewards and savings from your credit cards. It tracks perks, statement credits, and points, offering AI-powered advice to ensure your cards always pay you back more than they cost. Get personalized recommendations and automated offer management.

**Highlights:** Maximize cashback and offers, Track statement credits automatically, Redeem points at peak value, AI agent for personalized advice, See which card earns the most, Track points portfolio, Annual fee advisor

**Features:** macOS Compatibility, Safari Extension, Apple Wallet, Vision Pro support, iPhone Duo support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CardStack+ | $12.99 | per month |
| CardStack+ | $89.99 | per year |
| CardStack+ Lifetime | $239.99 | one-time |


## Frequently asked questions

### Is Solvent GPT free?

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

### Is CardStack free?

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

### Do Solvent GPT or CardStack have ads?

Neither Solvent GPT nor CardStack shows ads.

### Which is updated more often, Solvent GPT or CardStack?

Solvent GPT ships an update every 5 days, and CardStack every 2 weeks. Most recently, Solvent GPT was updated on November 4, 2026 and CardStack 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.*