# SMST vs MindFlipOut

The clearest difference is in-app purchases: SMST at none against MindFlipOut's 3. SMST also leads on iOS requirement (9.0 vs 17.0). MindFlipOut's advantage is update cadence (every 4 days vs every 35 months). On price, ads and device support there is nothing between them.

Both are free to download. MindFlipOut sells 3 one-off in-app purchases. SMST asks for nothing beyond the download.

SMST ships an update every 35 months, MindFlipOut every 4 days. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | SMST | MindFlipOut |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 35 months | **Every 4 days** |
| Size | 1 MB | 2 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Opatus AB](https://appshunter.io/developer/857716985) | [Kentaro Yamauchi](https://appshunter.io/developer/1839617353) |

## What reviewers say

### SMST

[App page](https://appshunter.io/ios/app/smst/id914209039)

**Features:** macOS Compatibility

**In-app purchases:** none


### MindFlipOut

[App page](https://appshunter.io/ios/app/mindflipout-overthinking/id6752633008)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tip (optional) | $4.99 | one-time |
| Tip (optional) | $19.99 | one-time |
| Tip (optional) | $99.99 | one-time |


## Frequently asked questions

### Is SMST free?

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

### Is MindFlipOut free?

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

### Do SMST or MindFlipOut have ads?

Neither SMST nor MindFlipOut shows ads.

### Which is updated more often, SMST or MindFlipOut?

SMST ships an update every 35 months, and MindFlipOut every 4 days. Most recently, SMST was updated on October 7, 2026 and MindFlipOut on October 3, 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.*