# ISS calculator vs Startservice

The clearest difference is in-app purchases: ISS calculator at none against Startservice's 10. ISS calculator also leads on ads (none vs shown) and update cadence (every 3 days vs every 9 days). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Startservice sells 10 in-app purchases, starting at $1.99 per month. ISS calculator asks for nothing beyond the download.

ISS calculator ships an update every 3 days, Startservice every 9 days. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ISS calculator | Startservice |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/iss-calculator/id1531086115/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 3 days** | Every 9 days |
| Monetization | Free | — |
| Size | 2 MB | 42 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Sujal Adhia](https://appshunter.io/developer/1475334795) | [Start Services Group LLC](https://appshunter.io/developer/1725583959) |

## What reviewers say

### ISS calculator

[App page](https://appshunter.io/ios/app/iss-calculator/id1531086115)

This tool helps assess the severity and extent of ichthyosis across the body. It's designed for clinical trials, research, and practice to track treatment response in adults and children. The system follows FDA guidelines for comprehensive scoring.

**Highlights:** Assess ichthyosis extent and severity, User-friendly instrument, For clinical trials and research, Track treatment response, Score adults and children, Follows FDA guidelines

**Features:** macOS Compatibility

**In-app purchases:** none


### Startservice

[App page](https://appshunter.io/ios/app/startservice-mileage-tracker/id6476018036)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Vehicle Monthly | $1.99 | per month |
| 2 Vehicles Monthly | $2.99 | per month |
| 3 Vehicles Monthly | $3.99 | per month |
| 4 Vehicles Monthly | $4.99 | per month |
| 5 Vehicles Monthly | $5.99 | per month |
| 6 Vehicles Monthly | $6.99 | per month |
| 15 Vehicles - Monthly | $14.99 | per month |
| 25 Vehicles - Monthly | $24.99 | per month |
| 35 Vehicles - Monthly | $34.99 | per month |
| Unlimited Vehicles Monthly | $49.99 | per month |


## Frequently asked questions

### Is ISS calculator free?

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

### Is Startservice free?

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

### Do ISS calculator or Startservice have ads?

Startservice shows ads; ISS calculator does not.

### Which is updated more often, ISS calculator or Startservice?

ISS calculator ships an update every 3 days, and Startservice every 9 days. Most recently, ISS calculator was updated on November 3, 2026 and Startservice on November 8, 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.*