# iSum vs Avid Expenses

The clearest difference is update cadence: iSum at fortnightly against Avid Expenses's every 3 months. iSum also leads on iOS requirement (15.0 vs 26.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. iSum sells 1 in-app purchase, starting at $2.99 per year and Avid Expenses sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

iSum ships an update fortnightly, Avid Expenses every 3 months. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | iSum | Avid Expenses |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.1 (24 ratings)](https://appshunter.io/ios/app/isum/id435350676/reviews)** | — |
| Number of ratings | **24** | — |
| Positive reviews | 82.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free with in-app purchases | — |
| Size | 1 MB | 2 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ZEN PLUS LTD](https://appshunter.io/developer/317808580) | [Numinous Productions LLC](https://appshunter.io/developer/1729659384) |

## What reviewers say

### iSum

[App page](https://appshunter.io/ios/app/isum/id435350676)

This finance app simplifies tracking expenses, time, and various metrics with a user-friendly interface. It offers customizable groups, in-depth insights, and easy data export. Manage finances, health, and more efficiently on your iPhone.

**Highlights:** Simplified and intuitive interface, Versatile tracking for expenses, time, and metrics, Customizable groups for organization, In-depth insights and trend overviews, CSV data export, Support for negative numbers in tracking

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| iSum Annual Subscription | $2.99 | per year |

**What reviewers like**

- 👍 Simple and easy to use
- 🚀 Straightforward and efficient
- 💡 Useful for tracking expenses and budgeting
- 🔒 Secure and private data storage
- ⭐ Great customer service and responsiveness

**What reviewers complain about**

- 🐛 Occasional crashes or data loss issues
- 🔒 Lack of password protection or security features
- 💰 Subscription model or paid upgrade concerns
- 📂 Limited number of categories or lists
- 🔄 Difficulty restoring previous purchases

**Reported bugs**

- Notes or descriptions disappearing after edits
- Incompatibility issues with newer iOS versions
- Incorrect date/time recording for entries

**Requested features**

- Add more category options
- Implement iCloud or cloud sync support
- Include a daily/weekly/monthly expense summary
- Allow customization of currency and date formats
- Provide a password protection or lock screen feature


### Avid Expenses

[App page](https://appshunter.io/ios/app/avid-expenses/id6738665339)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $0.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is iSum free?

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

### Is Avid Expenses free?

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

### Do iSum or Avid Expenses have ads?

Neither iSum nor Avid Expenses shows ads.

### Which is updated more often, iSum or Avid Expenses?

iSum ships an update fortnightly, and Avid Expenses every 3 months. Most recently, iSum was updated on November 1, 2026 and Avid Expenses on October 25, 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.*