# OS Inventory vs Tally Notes

The clearest difference is ads: OS Inventory at none against Tally Notes's shown. OS Inventory also leads on iOS requirement (16.0 vs 26.0). Tally Notes's advantage is update cadence (every 2 weeks vs every 5 weeks). On price, 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.

OS Inventory ships an update every 5 weeks, Tally Notes every 2 weeks. The most recent releases landed on November 7, 2026 and November 12, 2026 respectively.

## The numbers

| Metric | OS Inventory | Tally Notes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.6 (7 ratings)](https://appshunter.io/ios/app/tally-notes-calculate-total/id6449875143/reviews)** |
| Number of ratings | — | **7** |
| Positive reviews | — | 77.8% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 5 weeks | **Every 2 weeks** |
| Monetization | — | Ad-supported |
| Size | 2 MB | 11 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [OPENSCREEN INC.](https://appshunter.io/developer/1648762695) | [FugaPiyo Inc.](https://appshunter.io/developer/1497887610) |

## What reviewers say

### OS Inventory

[App page](https://appshunter.io/ios/app/os-inventory/id6449221496)

**In-app purchases:** none


### Tally Notes

[App page](https://appshunter.io/ios/app/tally-notes-calculate-total/id6449875143)

This spreadsheet app simplifies total calculations for various needs, from shopping lists to inventory management. It offers unlimited folders, notes, and items, with features like unit pricing, tax settings, and CSV export. Enjoy a completely free experience with dark mode and home screen widgets.

**Highlights:** Unlimited folders, notes, and items, Unit price, quantity, and tax settings, Automatic total calculation, CSV output and sharing, Batch operations and filtering, Home and lock screen widgets, Dark mode

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is OS Inventory free?

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

### Is Tally Notes free?

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

### Do OS Inventory or Tally Notes have ads?

Tally Notes shows ads; OS Inventory does not.

### Which is updated more often, OS Inventory or Tally Notes?

OS Inventory ships an update every 5 weeks, and Tally Notes every 2 weeks. Most recently, OS Inventory was updated on November 7, 2026 and Tally Notes on November 12, 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.*