# Sumly vs SlimBooks

The clearest difference is update cadence: Sumly at weekly against SlimBooks's every 4 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Sumly sells 2 in-app purchases, starting at $39.99 per month and SlimBooks sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Sumly ships an update weekly, SlimBooks every 4 months. The most recent releases landed on November 4, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Sumly | SlimBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (5 ratings)](https://appshunter.io/ios/app/sumly/id6504518771/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Freemium | — |
| Size | 44 MB | 65 MB |
| Requires iOS | **15.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sumly](https://appshunter.io/developer/1752633679) | [Indie CFO LLC](https://appshunter.io/developer/1867368461) |

## What reviewers say

### Sumly

[App page](https://appshunter.io/ios/app/sumly/id6504518771)

Manage business and personal finances, file taxes with confidence, and track expenses automatically. This app helps self-employed individuals identify tax savings and avoid missing deductions. Get real-time insights into your tax bill and receive expert support.

**Highlights:** Automated expense tracking, Real-time tax savings calculation, Quarterly estimate reminders, Deduction opportunity flagging, Tax filing for self-employed, Priority tax expert support

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Subscription | $39.99 | per month |
| Pro Subscription | $49.99 | per month |


### SlimBooks

[App page](https://appshunter.io/ios/app/slimbooks/id6757509063)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Autopilot | $9.99 | per month |


## Frequently asked questions

### Is Sumly free?

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

### Is SlimBooks free?

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

### Do Sumly or SlimBooks have ads?

Neither Sumly nor SlimBooks shows ads.

### Which is updated more often, Sumly or SlimBooks?

Sumly ships an update weekly, and SlimBooks every 4 months. Most recently, Sumly was updated on November 4, 2026 and SlimBooks 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.*