# Epion vs Thirty Five mm

Epion and Thirty Five mm are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Epion ships an update monthly, Thirty Five mm every 3 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | Epion | Thirty Five mm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Size | 26 MB | 36 MB |
| Requires iOS | **14.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [SenseZo B.V.](https://appshunter.io/developer/1568513374) | [Jan Loehr](https://appshunter.io/developer/1462575568) |

## What reviewers say

### Epion

[App page](https://appshunter.io/ios/app/epion/id1568513372)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thirty Five mm

[App page](https://appshunter.io/ios/app/thirty-five-mm/id6739161477)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Epion free?

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

### Is Thirty Five mm free?

Thirty Five mm is free to download, with no in-app purchases.

### Do Epion or Thirty Five mm have ads?

Neither Epion nor Thirty Five mm shows ads.

### Which is updated more often, Epion or Thirty Five mm?

Epion ships an update monthly, and Thirty Five mm every 3 weeks. Most recently, Epion was updated on October 25, 2026 and Thirty Five mm on October 25, 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.*