# SumBuddy vs Auto Logbook for ATO

The clearest difference is update cadence: Auto Logbook for ATO at every 4 days against SumBuddy's every 4 months. SumBuddy's advantage is iOS requirement (13.0 vs 17.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

SumBuddy ships an update every 4 months, Auto Logbook for ATO every 4 days. The most recent releases landed on October 24, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | SumBuddy | Auto Logbook for ATO |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | — |
| Size | 23 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yin Yin Huang](https://appshunter.io/developer/1810620981) | [xiang li](https://appshunter.io/developer/6800928234) |

## What reviewers say

### SumBuddy

[App page](https://appshunter.io/ios/app/sumbuddy-split-bills-fast/id6745075541)

Easily divide expenses for group outings or shared living without complex calculations. Input bill details, and the app automatically calculates tax, tip, and individual shares. Send clear summaries to everyone involved.

**Highlights:** Bill splitting, Tax calculation, Tip calculation, Individual share calculation, Itemized splitting, Summary generation

**Features:** macOS Compatibility

**In-app purchases:** none


### Auto Logbook for ATO

[App page](https://appshunter.io/ios/app/auto-logbook-for-ato/id6807646227)

**In-app purchases:** none


## Frequently asked questions

### Is SumBuddy free?

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

### Is Auto Logbook for ATO free?

Auto Logbook for ATO is free to download, with no in-app purchases.

### Do SumBuddy or Auto Logbook for ATO have ads?

Neither SumBuddy nor Auto Logbook for ATO shows ads.

### Which is updated more often, SumBuddy or Auto Logbook for ATO?

SumBuddy ships an update every 4 months, and Auto Logbook for ATO every 4 days. Most recently, SumBuddy was updated on October 24, 2026 and Auto Logbook for ATO on October 13, 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.*