# Memo vs Theory Checklist

Memo and Theory Checklist are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support 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.

## The numbers

| Metric | Memo | Theory Checklist |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 15.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 weeks | — |
| Monetization | Free | — |
| Size | 41 MB | 73 MB |
| Requires iOS | 16.5 | **16.4** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vemer S.p.A.](https://appshunter.io/developer/813616116) | [Theory Holding SPA](https://appshunter.io/developer/1674784689) |

## What reviewers say

### Memo

[App page](https://appshunter.io/ios/app/memo/id1369056891)

Easily control and program "memo" digital clocks via Bluetooth. Create and transfer schedules, read and modify existing ones, and synchronize time and date with your smartphone. Quickly set your location and manage relay states.

**Highlights:** Bluetooth clock programming, Schedule creation and transfer, Read and edit existing schedules, Smartphone time synchronization, Geolocalization for quick setup, Relay state management

**In-app purchases:** none


### Theory Checklist

[App page](https://appshunter.io/ios/app/theory-checklist/id6798332442)

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

**In-app purchases:** none


## Frequently asked questions

### Is Memo free?

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

### Is Theory Checklist free?

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

### Do Memo or Theory Checklist have ads?

Neither Memo nor Theory Checklist shows ads.

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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.*