# Subterra TLV vs Permed2

Subterra TLV and Permed2 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.

Subterra TLV ships an update every 4 months, Permed2 every 3 months. The most recent releases landed on October 28, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Subterra TLV | Permed2 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Size | 52 MB | 80 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Arbox LTD](https://appshunter.io/developer/1021244486) | [Tel Aviv University](https://appshunter.io/developer/1550500874) |

## What reviewers say

### Subterra TLV

[App page](https://appshunter.io/ios/app/subterra-tlv/id6740745521)

**In-app purchases:** none


### Permed2

[App page](https://appshunter.io/ios/app/permed2/id6757498520)

**In-app purchases:** none


## Frequently asked questions

### Is Subterra TLV free?

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

### Is Permed2 free?

Permed2 is free to download, with no in-app purchases.

### Do Subterra TLV or Permed2 have ads?

Neither Subterra TLV nor Permed2 shows ads.

### Which is updated more often, Subterra TLV or Permed2?

Subterra TLV ships an update every 4 months, and Permed2 every 3 months. Most recently, Subterra TLV was updated on October 28, 2026 and Permed2 on November 5, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*