# SUM+= Simple Expense Tracker vs Kakeibo Style

The clearest difference is update cadence: SUM+= Simple Expense Tracker at every 3 days against Kakeibo Style's fortnightly. Kakeibo Style's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. SUM+= Simple Expense Tracker sells 4 in-app purchases, starting at $3.99 per month and Kakeibo Style sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

SUM+= Simple Expense Tracker ships an update every 3 days, Kakeibo Style fortnightly. The most recent releases landed on October 15, 2026 and October 5, 2026 respectively.

## The numbers

| Metric | SUM+= Simple Expense Tracker | Kakeibo Style |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sum-plus-simple-expense-tracker/id6757820811/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Fortnightly |
| Monetization | Freemium | — |
| Size | 28 MB | 44 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jonas Zimmermann](https://appshunter.io/developer/1869111182) | [Mark Brady](https://appshunter.io/developer/1876979925) |

## What reviewers say

### SUM+= Simple Expense Tracker

[App page](https://appshunter.io/ios/app/sum-plus-simple-expense-tracker/id6757820811)

This finance app simplifies expense tracking with AI assistance, allowing for quick data entry and powerful analysis through large language models. It prioritizes user control and privacy with local data storage and a minimalist design.

**Highlights:** AI-assisted data entry, LLM analysis and forecasting, Minimalist and beautiful design, Local data storage and privacy, User-controlled database, Subscription options with free trial

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SUM Pro | $3.99 | per month |
| SUM Pro | $22.99 | per year |
| 7-day Trial | Free | one-time |
| Sum Premium | $6.99 | one-time |


### Kakeibo Style

[App page](https://appshunter.io/ios/app/kakeibo-style/id6759118408)

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thank you | $0.99 | one-time |
| A big thank you | $1.99 | one-time |


## Frequently asked questions

### Is SUM+= Simple Expense Tracker free?

SUM+= Simple Expense Tracker is free to download, with in-app purchases available.

### Is Kakeibo Style free?

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

### Do SUM+= Simple Expense Tracker or Kakeibo Style have ads?

Neither SUM+= Simple Expense Tracker nor Kakeibo Style shows ads.

### Which is updated more often, SUM+= Simple Expense Tracker or Kakeibo Style?

SUM+= Simple Expense Tracker ships an update every 3 days, and Kakeibo Style fortnightly. Most recently, SUM+= Simple Expense Tracker was updated on October 15, 2026 and Kakeibo Style on October 5, 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.*