# AutoCollectSpectrum vs BoneCalc

The clearest difference is update cadence: BoneCalc at weekly against AutoCollectSpectrum's every 23 months. AutoCollectSpectrum's advantage is iOS requirement (13.6 vs 16.4). On price, ads, 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.

AutoCollectSpectrum ships an update every 23 months, BoneCalc weekly. The most recent releases landed on September 17, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | AutoCollectSpectrum | BoneCalc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 23 months | **Weekly** |
| Size | 7 MB | 72 MB |
| Requires iOS | **13.6** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Clinicspectrum, Inc.](https://appshunter.io/developer/932413384) | [BC Children's Hospital](https://appshunter.io/developer/1521364756) |

## What reviewers say

### AutoCollectSpectrum

[App page](https://appshunter.io/ios/app/autocollectspectrum/id1223433080)

**Features:** macOS Compatibility

**In-app purchases:** none


### BoneCalc

[App page](https://appshunter.io/ios/app/bonecalc/id1535346472)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AutoCollectSpectrum free?

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

### Is BoneCalc free?

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

### Do AutoCollectSpectrum or BoneCalc have ads?

Neither AutoCollectSpectrum nor BoneCalc shows ads.

### Which is updated more often, AutoCollectSpectrum or BoneCalc?

AutoCollectSpectrum ships an update every 23 months, and BoneCalc weekly. Most recently, AutoCollectSpectrum was updated on September 17, 2026 and BoneCalc on September 13, 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.*