# Heft vs Herd Scan

The clearest difference is in-app purchases: Herd Scan at none against Heft's 1. Herd Scan also leads on update cadence (every 5 days vs every 3 months) and iOS requirement (15.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. Heft sells 1 in-app purchase, starting at $9.99 per year. Herd Scan asks for nothing beyond the download.

Heft ships an update every 3 months, Herd Scan every 5 days. The most recent releases landed on October 31, 2026 and November 6, 2026 respectively.

## The numbers

| Metric | Heft | Herd Scan |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 14 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tchelow](https://appshunter.io/developer/564628624) | [Herd Scan](https://appshunter.io/developer/6813038954) |

## What reviewers say

### Heft

[App page](https://appshunter.io/ios/app/heft-estimate-weight-ai/id6759206874)

Instantly estimate the weight of any object using your iPhone camera. Get reliable weight estimates with a clear confidence range, no physical scale needed. Ideal for shipping, travel, or everyday curiosity.

**Highlights:** AI weight estimation from photos, Confidence range for reliability, Measurement history, Support for multiple units (kg, lbs, oz, g), LiDAR-enhanced accuracy on Pro devices, Optional subscription for advanced features

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Heft+ | $9.99 | per year |


### Herd Scan

[App page](https://appshunter.io/ios/app/herd-scan/id6796822613)

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

**In-app purchases:** none


## Frequently asked questions

### Is Heft free?

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

### Is Herd Scan free?

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

### Do Heft or Herd Scan have ads?

Neither Heft nor Herd Scan shows ads.

### Which is updated more often, Heft or Herd Scan?

Heft ships an update every 3 months, and Herd Scan every 5 days. Most recently, Heft was updated on October 31, 2026 and Herd Scan on November 6, 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.*