# HeatMapper vs SDS Manager

The clearest difference is update cadence: SDS Manager at every 3 weeks against HeatMapper's every 7 months. SDS Manager also leads on device support (3 vs 1). On price, ads, in-app purchases and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

HeatMapper ships an update every 7 months, SDS Manager every 3 weeks. The most recent releases landed on October 5, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | HeatMapper | SDS Manager |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (10 ratings)](https://appshunter.io/ios/app/sds-manager/id6754279703/reviews)** |
| Number of ratings | — | **10** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 26 MB | 76 MB |
| Requires iOS | **15.0** | 15.6 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Contractor Nation Corporation](https://appshunter.io/developer/1126353201) | [Netpower](https://appshunter.io/developer/470825521) |

## What reviewers say

### HeatMapper

[App page](https://appshunter.io/ios/app/heatmapper/id1282095564)

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

**In-app purchases:** none


### SDS Manager

[App page](https://appshunter.io/ios/app/sds-manager/id6754279703)

Access your entire chemical safety data sheet library on your mobile device, with or without an internet connection. Quickly retrieve information using barcode scanning and find essential first-aid details at a glance.

**Highlights:** Full offline access to SDS library, Barcode and QR code scanner, Mobile-friendly first-aid info, Instant employee access via QR posters, Works on iPhone and iPad

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

**In-app purchases:** none


## Frequently asked questions

### Is HeatMapper free?

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

### Is SDS Manager free?

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

### Do HeatMapper or SDS Manager have ads?

Neither HeatMapper nor SDS Manager shows ads.

### Which is updated more often, HeatMapper or SDS Manager?

HeatMapper ships an update every 7 months, and SDS Manager every 3 weeks. Most recently, HeatMapper was updated on October 5, 2026 and SDS Manager on September 29, 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.*