# UnitLens vs Baby Inventory

The clearest difference is update cadence: Baby Inventory at every 3 days against UnitLens's every 2 weeks. UnitLens's advantage is iOS requirement (17.6 vs 26.2). 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.

UnitLens ships an update every 2 weeks, Baby Inventory every 3 days. Both last shipped on October 11, 2026.

## The numbers

| Metric | UnitLens | Baby Inventory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Size | 7 MB | 6 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Carlson](https://appshunter.io/developer/1787798578) | [Hailei Jiang](https://appshunter.io/developer/1871106559) |

## What reviewers say

### UnitLens

[App page](https://appshunter.io/ios/app/unitlens/id6756529255)

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

**In-app purchases:** none


### Baby Inventory

[App page](https://appshunter.io/ios/app/baby-inventory/id6758135210)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is UnitLens free?

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

### Is Baby Inventory free?

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

### Do UnitLens or Baby Inventory have ads?

Neither UnitLens nor Baby Inventory shows ads.

### Which is updated more often, UnitLens or Baby Inventory?

UnitLens ships an update every 2 weeks, and Baby Inventory every 3 days. Most recently, UnitLens was updated on October 11, 2026 and Baby Inventory on October 11, 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.*