# eFinancesOS vs Puff

The clearest difference is in-app purchases: eFinancesOS at none against Puff's 3. eFinancesOS also leads on iOS requirement (13.0 vs 18.0). Puff's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. Puff sells 3 in-app purchases, starting at $4.99 per month. eFinancesOS asks for nothing beyond the download.

eFinancesOS ships an update every 2 months, Puff monthly. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | eFinancesOS | Puff |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 37 MB | 144 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Dramane Ouattara](https://appshunter.io/developer/1753932625) | [Kirill Shumakov](https://appshunter.io/developer/1642210920) |

## What reviewers say

### eFinancesOS

[App page](https://appshunter.io/ios/app/efinancesos/id6755051591)

**In-app purchases:** none


### Puff

[App page](https://appshunter.io/ios/app/puff-expense-tracker-and-budget/id6762293768)

Effortlessly track your spending by speaking, typing, or using your smartwatch. This app automatically categorizes expenses and integrates them into your budgets, offering quick summaries and multi-currency support.

**Highlights:** Voice expense recording, Create trip and personal budgets, Split shared costs, Multi-currency tracking, Spending summaries and charts, Log expenses from iPhone and Apple Watch

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.99 | per month |
| Pro | $5.99 | per 7 days |
| Pro Yearly — Save 87% | $39.99 | per year |


## Frequently asked questions

### Is eFinancesOS free?

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

### Is Puff free?

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

### Do eFinancesOS or Puff have ads?

Neither eFinancesOS nor Puff shows ads.

### Which is updated more often, eFinancesOS or Puff?

eFinancesOS ships an update every 2 months, and Puff monthly. Most recently, eFinancesOS was updated on October 25, 2026 and Puff 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.*