# O'der stack vs MultiiCalc

The clearest difference is update cadence: MultiiCalc at monthly against O'der stack's every 3 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. O'der stack sells 3 one-off in-app purchases and MultiiCalc sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

O'der stack ships an update every 3 months, MultiiCalc monthly. The most recent releases landed on October 1, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | O'der stack | MultiiCalc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (9 ratings)](https://appshunter.io/ios/app/multiicalc/id1520137742/reviews)** |
| Number of ratings | — | **9** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 59 MB | 5 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ICT Fractal Inc.](https://appshunter.io/developer/473613262) | [Christina Schell](https://appshunter.io/developer/1520137744) |

## What reviewers say

### O'der stack

[App page](https://appshunter.io/ios/app/oder-stack/id1449798272)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free trial for 7 days. | Free | one-time |
| Activate for 1 month. | $0.99 | one-time |
| Activate for year. | $9.99 | one-time |


### MultiiCalc

[App page](https://appshunter.io/ios/app/multiicalc/id1520137742)

Save and reuse your important calculations. This tool lets you store named values to easily perform complex financial or cost analyses without losing track of intermediate steps. Share your results with others or export them to different applications.

**Highlights:** Save notable calculations by name, Calculate against saved list items, Track complex financial analyses, Share calculations with friends, Export calculations to other apps, No analytics or tracking

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| A Generous Tip | $1.99 | one-time |
| A Hefty Tip | $3.99 | one-time |
| A Lavish Tip | $6.99 | one-time |


## Frequently asked questions

### Is O'der stack free?

O'der stack is free to download, with in-app purchases available.

### Is MultiiCalc free?

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

### Do O'der stack or MultiiCalc have ads?

Neither O'der stack nor MultiiCalc shows ads.

### Which is updated more often, O'der stack or MultiiCalc?

O'der stack ships an update every 3 months, and MultiiCalc monthly. Most recently, O'der stack was updated on October 1, 2026 and MultiiCalc on October 3, 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.*