# WASP Util vs Guardian Chart

The clearest difference is in-app purchases: Guardian Chart at none against WASP Util's 3. Guardian Chart also leads on update cadence (every 4 days vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. WASP Util sells 3 in-app purchases, starting at $4.99 per month. Guardian Chart asks for nothing beyond the download.

WASP Util ships an update every 3 months, Guardian Chart every 4 days. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | WASP Util | Guardian Chart |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/wasp-util/id966390978/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 45 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NPE Inc](https://appshunter.io/developer/424774346) | [SSRS Labs LLC](https://appshunter.io/developer/1885187856) |

## What reviewers say

### WASP Util

[App page](https://appshunter.io/ios/app/wasp-util/id966390978)

This app configures and monitors WASP modules, which bridge ANT+/BLE sensor data to Wi-Fi for iOS devices and web endpoints. It offers real-time graphing, CSV file capture, and system tuning. In-app purchases unlock advanced relay, cloud monitoring, and simulation features.

**Highlights:** WASP module configuration, ANT+/BLE sensor monitoring, Real-time graphing, CSV file capture, System tuning, Relay BLE data, Cloud monitoring

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited Monthly | $4.99 | per month |
| Unlimited Yearly | $39.99 | per year |
| Unlimited Lifetime | $119.99 | one-time |


### Guardian Chart

[App page](https://appshunter.io/ios/app/guardian-chart/id6760737510)

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

**In-app purchases:** none


## Frequently asked questions

### Is WASP Util free?

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

### Is Guardian Chart free?

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

### Do WASP Util or Guardian Chart have ads?

Neither WASP Util nor Guardian Chart shows ads.

### Which is updated more often, WASP Util or Guardian Chart?

WASP Util ships an update every 3 months, and Guardian Chart every 4 days. Most recently, WASP Util was updated on October 1, 2026 and Guardian Chart on October 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.*