# PLANET3 vs Heft

The clearest difference is in-app purchases: PLANET3 at none against Heft's 1. PLANET3 also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (12.4 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. PLANET3 asks for nothing beyond the download.

PLANET3 ships an update every 5 weeks, Heft every 3 months. The most recent releases landed on October 6, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | PLANET3 | Heft |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 3 months |
| Monetization | — | Free with in-app purchases |
| Size | 47 MB | 17 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Planet 3](https://appshunter.io/developer/1569962446) | [Tchelow](https://appshunter.io/developer/564628624) |

## What reviewers say

### PLANET3

[App page](https://appshunter.io/ios/app/planet3-e/id6737837519)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is PLANET3 free?

PLANET3 is free to download, with no in-app purchases.

### Is Heft free?

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

### Do PLANET3 or Heft have ads?

Neither PLANET3 nor Heft shows ads.

### Which is updated more often, PLANET3 or Heft?

PLANET3 ships an update every 5 weeks, and Heft every 3 months. Most recently, PLANET3 was updated on October 6, 2026 and Heft on October 12, 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.*