# Allocate3M vs sci.calculator

The clearest difference is update cadence: sci.calculator at every 5 weeks against Allocate3M's every 4 months. sci.calculator also leads on device support (3 vs 1) and iOS requirement (15.0 vs 26.2). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Allocate3M sells 3 one-off in-app purchases and sci.calculator sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Allocate3M ships an update every 4 months, sci.calculator every 5 weeks. The most recent releases landed on October 14, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Allocate3M | sci.calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Size | 12 MB | 49 MB |
| Requires iOS | 26.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Chu-Yi Chang](https://appshunter.io/developer/943416679) | [Yukihiro Shioya](https://appshunter.io/developer/1565306192) |

## What reviewers say

### Allocate3M

[App page](https://appshunter.io/ios/app/allocate3m/id1531072277)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro30 | $3.99 | one-time |
| Pro60 | $5.99 | one-time |
| Pro100 | $6.99 | one-time |


### sci.calculator

[App page](https://appshunter.io/ios/app/scicalculator/id1620728508)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| remove Ads | $1.99 | one-time |


## Frequently asked questions

### Is Allocate3M free?

Allocate3M is free to download, with in-app purchases available.

### Is sci.calculator free?

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

### Do Allocate3M or sci.calculator have ads?

Neither Allocate3M nor sci.calculator shows ads.

### Which is updated more often, Allocate3M or sci.calculator?

Allocate3M ships an update every 4 months, and sci.calculator every 5 weeks. Most recently, Allocate3M was updated on October 14, 2026 and sci.calculator on October 16, 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.*