# Sphere Mobile vs Credit Card Tracker

The clearest difference is in-app purchases: Sphere Mobile at none against Credit Card Tracker's 3. Sphere Mobile also leads on iOS requirement (15.1 vs 17.0). Credit Card Tracker's advantage is chart position (#162 vs unranked) and update cadence (fortnightly vs monthly). On price, ads and device support there is nothing between them.

Both are free to download. Credit Card Tracker sells 3 in-app purchases, starting at $12.99 per month. Sphere Mobile asks for nothing beyond the download.

Sphere Mobile ships an update monthly, Credit Card Tracker fortnightly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sphere Mobile | Credit Card Tracker |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (53 ratings)](https://appshunter.io/ios/app/credit-card-tracker-cardstack/id6759270863/reviews)** |
| Number of ratings | — | **53** |
| Positive reviews | — | 94.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Freemium |
| Best chart rank | — | **#162** |
| Size | 42 MB | 258 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sphere Innovations](https://appshunter.io/developer/1568741546) | [SPACE ROBOTS INC](https://appshunter.io/developer/1877786048) |

## What reviewers say

### Sphere Mobile

[App page](https://appshunter.io/ios/app/sphere-mobile/id1587578956)

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

**In-app purchases:** none


### Credit Card Tracker

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

**Currently charting:** #162 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 Sphere Mobile free?

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

### Is Credit Card Tracker free?

Credit Card Tracker is free to download, with in-app purchases available.

### Do Sphere Mobile or Credit Card Tracker have ads?

Neither Sphere Mobile nor Credit Card Tracker shows ads.

### Which is updated more often, Sphere Mobile or Credit Card Tracker?

Sphere Mobile ships an update monthly, and Credit Card Tracker fortnightly. Most recently, Sphere Mobile was updated on October 27, 2026 and Credit Card Tracker on October 31, 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.*