# SubSum vs EON

The clearest difference is in-app purchases: SubSum at none against EON's 4. EON's advantage is update cadence (every 4 days vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. EON sells 4 one-off in-app purchases. SubSum asks for nothing beyond the download.

SubSum ships an update every 4 months, EON every 4 days. The most recent releases landed on October 12, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | SubSum | EON |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/eon-subscription-tracker/id6771706897/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | — | Free |
| Size | 2 MB | 39 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [桥 汪](https://appshunter.io/developer/1658027527) | [磊 郭](https://appshunter.io/developer/1896777398) |

## What reviewers say

### SubSum

[App page](https://appshunter.io/ios/app/subsum/id6754885566)

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

**In-app purchases:** none


### EON

[App page](https://appshunter.io/ios/app/eon-subscription-tracker/id6771706897)

Effortlessly manage all your recurring payments in one place. Get timely reminders before charges hit and visualize your spending across different timeframes. Supports multiple currencies and offers convenient widgets for quick access.

**Highlights:** Centralized subscription management, Spending visualization (monthly, quarterly, yearly), Customizable charge reminders, Multi-currency support with daily rates, Billing calendar view, Automatic app icon fetching, Home and lock screen widgets, iCloud sync

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Instant Coffee | $0.99 | one-time |
| Iced Americano | $2.99 | one-time |
| Cold Brew | $4.99 | one-time |
| Geisha Pour-Over | $9.99 | one-time |


## Frequently asked questions

### Is SubSum free?

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

### Is EON free?

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

### Do SubSum or EON have ads?

Neither SubSum nor EON shows ads.

### Which is updated more often, SubSum or EON?

SubSum ships an update every 4 months, and EON every 4 days. Most recently, SubSum was updated on October 12, 2026 and EON on October 14, 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.*