# PERI Material Scan vs Thingstodo

The clearest difference is update cadence: Thingstodo at every 2 days against PERI Material Scan's every 9 months. Thingstodo also leads on iOS requirement (11.0 vs 13.0). 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.

PERI Material Scan ships an update every 9 months, Thingstodo every 2 days. The most recent releases landed on September 9, 2026 and May 16, 2026 respectively.

## The numbers

| Metric | PERI Material Scan | Thingstodo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 2 days** |
| Size | 11 MB | 39 MB |
| Requires iOS | 13.0 | **11.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [PERI GmbH](https://appshunter.io/developer/626229088) | [Jose Natalio Tapia Marca](https://appshunter.io/developer/1545972057) |

## What reviewers say

### PERI Material Scan

[App page](https://appshunter.io/ios/app/peri-material-scan/id1483467539)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thingstodo

[App page](https://appshunter.io/ios/app/thingstodo-tracker/id6475139643)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PERI Material Scan free?

PERI Material Scan is free to download, with no in-app purchases.

### Is Thingstodo free?

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

### Do PERI Material Scan or Thingstodo have ads?

Neither PERI Material Scan nor Thingstodo shows ads.

### Which is updated more often, PERI Material Scan or Thingstodo?

PERI Material Scan ships an update every 9 months, and Thingstodo every 2 days. Most recently, PERI Material Scan was updated on September 9, 2026 and Thingstodo on May 16, 2026.

---

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