# とんとん vs DuetShare

The clearest difference is ads: DuetShare at none against とんとん's shown. DuetShare also leads on update cadence (every 4 days vs every 10 days) and iOS requirement (15.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. とんとん sells 6 in-app purchases, starting at $2.99 per month and DuetShare sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

とんとん ships an update every 10 days, DuetShare every 4 days. The most recent releases landed on October 25, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | とんとん | DuetShare |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 10 days | **Every 4 days** |
| Monetization | Freemium | — |
| Size | 62 MB | 55 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [YOSHIKI KOAKUTSU](https://appshunter.io/developer/1885895866) | [GNOSFLARE](https://appshunter.io/developer/1875721941) |

## What reviewers say

### とんとん

[App page](https://appshunter.io/ios/app/id6760719046)

This app simplifies shared living expenses for couples and partners without requiring a joint bank account. It allows for easy tracking of individual and shared costs, with flexible category-based splitting and one-tap settlement. Features include receipt scanning, real-time syncing, and AI-powered expense summaries.

**Highlights:** Shared expense tracking without joint accounts, Category-based percentage splitting, One-tap settlement, Receipt scanning with OCR, Real-time partner synchronization, AI expense summary generation, Individual expense exclusion

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| プレミアム（月額） | $2.99 | per month |
| プレミアム（年額） | $22.99 | per year |
| チップ（小） | $0.99 | one-time |
| チップ（中） | $2.99 | one-time |
| チップ（大） | $5.99 | one-time |
| 買い切りプレミアム | $44.99 | one-time |


### DuetShare

[App page](https://appshunter.io/ios/app/duetshare/id6801848136)

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

**In-app purchases (2)**

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


## Frequently asked questions

### Is とんとん free?

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

### Is DuetShare free?

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

### Do とんとん or DuetShare have ads?

とんとん shows ads; DuetShare does not.

### Which is updated more often, とんとん or DuetShare?

とんとん ships an update every 10 days, and DuetShare every 4 days. Most recently, とんとん was updated on October 25, 2026 and DuetShare on October 4, 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.*