# Compound Interest Calc vs Subscription tracker

The clearest difference is price: Subscription tracker at Free against Compound Interest Calc's $1.99. Subscription tracker also leads on update cadence (every 2 months vs every 8 months) and ratings volume (79 vs 19). Compound Interest Calc's advantage is in-app purchases (none vs 3) and rating (4.6 vs 4.2). On review sentiment and ads there is nothing between them.

Subscription tracker is free to download; Compound Interest Calc costs $1.99 up front. Subscription tracker sells 3 in-app purchases, starting at $1.99 per month. Compound Interest Calc asks for nothing beyond the download.

Compound Interest Calc holds the better App Store score, 4.6 against 4.2. Both are backed by a comparable volume of ratings — 19 and 79 respectively. Written reviews point the same way: 54% of Compound Interest Calc's written reviews are positive against 52% of Subscription tracker's.

Compound Interest Calc ships an update every 8 months, Subscription tracker every 2 months. The most recent releases landed on October 21, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Compound Interest Calc | Subscription tracker |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.6 (19 ratings)](https://appshunter.io/ios/app/compound-interest-calc/id543747638/reviews)** | [4.2 (79 ratings)](https://appshunter.io/ios/app/subscription-tracker-99subs/id6458591668/reviews) |
| Number of ratings | 19 | **79** |
| Positive reviews | **54.2% of reviews** | 52.2% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 2 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 5 MB | 23 MB |
| Requires iOS | **9.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mobile and Database Solutions](https://appshunter.io/developer/492595032) | [Arnas Petrusevicius](https://appshunter.io/developer/1844312922) |

## What reviewers say

### Compound Interest Calc

[App page](https://appshunter.io/ios/app/compound-interest-calc/id543747638)

Calculate compounding interest with customizable options for term length, interest rate, and deposit frequency. View inflation-adjusted results and detailed amortization tables. Supports international currencies and saves all your data.

**Highlights:** Variable term length (years/months), Customizable interest rate, Additional deposit options, Daily/Monthly/Quarterly/Yearly calculation, Inflation-adjusted results, Amortization table with email export, Supports international currencies

**Features:** macOS Compatibility

**In-app purchases:** none


### Subscription tracker

[App page](https://appshunter.io/ios/app/subscription-tracker-99subs/id6458591668)

This app helps you manage all your recurring payments in one place. Easily track subscriptions, get timely reminders before renewals, and see your total monthly spending to avoid surprise charges and save money.

**Highlights:** Track all recurring payments, Manage subscriptions easily, Get smart renewal alerts, View monthly spending totals, Add custom subscriptions, Track free trial end dates

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited access | $1.99 | per month |
| 1 year unlimited tracking | $8.99 | per year |
| Unlimited lifetime access | $19.99 | one-time |


## Frequently asked questions

### Is Compound Interest Calc free?

Compound Interest Calc costs $1.99, with no in-app purchases.

### Is Subscription tracker free?

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

### Which has better reviews, Compound Interest Calc or Subscription tracker?

Compound Interest Calc is rated higher. Compound Interest Calc averages 4.6 out of 5 from 19 ratings, while Subscription tracker averages 4.2 from 79 ratings.

### Do Compound Interest Calc or Subscription tracker have ads?

Neither Compound Interest Calc nor Subscription tracker shows ads.

### Which is updated more often, Compound Interest Calc or Subscription tracker?

Compound Interest Calc ships an update every 8 months, and Subscription tracker every 2 months. Most recently, Compound Interest Calc was updated on October 21, 2026 and Subscription tracker on October 19, 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.*