# SIMBA GI Platform vs Cephalo

The clearest difference is in-app purchases: SIMBA GI Platform at none against Cephalo's 2. SIMBA GI Platform also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.6). On price, update cadence and ads there is nothing between them.

Both are free to download. Cephalo sells 2 in-app purchases, starting at $2.99 per month. SIMBA GI Platform asks for nothing beyond the download.

SIMBA GI Platform ships an update every 3 weeks, Cephalo every 2 weeks. The most recent releases landed on October 10, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | SIMBA GI Platform | Cephalo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Size | 47 MB | 13 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Nimble Science Ltd.](https://appshunter.io/developer/1638846557) | [Iterica B.V.](https://appshunter.io/developer/1832191465) |

## What reviewers say

### SIMBA GI Platform

[App page](https://appshunter.io/ios/app/simba-gi-platform/id6497063979)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cephalo

[App page](https://appshunter.io/ios/app/cephalo-headache-diary/id6749801188)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cephalo Plus Monthly | $2.99 | per month |
| Cephalo Plus Yearly | $24.99 | per year |


## Frequently asked questions

### Is SIMBA GI Platform free?

SIMBA GI Platform is free to download, with no in-app purchases.

### Is Cephalo free?

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

### Do SIMBA GI Platform or Cephalo have ads?

Neither SIMBA GI Platform nor Cephalo shows ads.

### Which is updated more often, SIMBA GI Platform or Cephalo?

SIMBA GI Platform ships an update every 3 weeks, and Cephalo every 2 weeks. Most recently, SIMBA GI Platform was updated on October 10, 2026 and Cephalo 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.*