# Thinksulin vs h.prime

The clearest difference is update cadence: h.prime at every 10 days against Thinksulin's every 9 months. h.prime also leads on iOS requirement (15.6 vs 17.2). On price, ads, in-app purchases and device support there is nothing between them.

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

Thinksulin ships an update every 9 months, h.prime every 10 days. The most recent releases landed on September 24, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Thinksulin | h.prime |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 10 days** |
| Monetization | — | Free |
| Size | 7 MB | 36 MB |
| Requires iOS | 17.2 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 17+ | 17+ |
| Developer | [Agency for Clinical Innovation](https://appshunter.io/developer/777216626) | [JAM Web Services](https://appshunter.io/developer/978597663) |

## What reviewers say

### Thinksulin

[App page](https://appshunter.io/ios/app/thinksulin/id1359457527)

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

**In-app purchases:** none


### h.prime

[App page](https://appshunter.io/ios/app/hprime/id1507902969)

This app streamlines administrative tasks for medical trainees by consolidating performance data into a centralized online system. It simplifies the process of managing trainee feedback and assessments, saving significant time compared to manual methods.

**Highlights:** 360 Multi-Score Feedback Form, Prevocational PGY 1/2/3+ Management, Centralized online system, Consolidates trainee performance, Saves administrative time

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

**In-app purchases:** none


## Frequently asked questions

### Is Thinksulin free?

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

### Is h.prime free?

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

### Do Thinksulin or h.prime have ads?

Neither Thinksulin nor h.prime shows ads.

### Which is updated more often, Thinksulin or h.prime?

Thinksulin ships an update every 9 months, and h.prime every 10 days. Most recently, Thinksulin was updated on September 24, 2026 and h.prime on September 17, 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.*