# Saving Memo vs 37S

The clearest difference is update cadence: 37S at every 5 months against Saving Memo's every 50 months. 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.

Saving Memo ships an update every 50 months, 37S every 5 months. The most recent releases landed on October 4, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Saving Memo | 37S |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (2 ratings)](https://appshunter.io/ios/app/37s-37-seconds/id1602845368/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 50 months | **Every 5 months** |
| Monetization | — | Free |
| Size | 92 MB | 61 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [University of California Riverside](https://appshunter.io/developer/888130363) | [Andreii Simaranov](https://appshunter.io/developer/1676912439) |

## What reviewers say

### Saving Memo

[App page](https://appshunter.io/ios/app/saving-memo/id1553319366)

**Features:** macOS Compatibility

**In-app purchases:** none


### 37S

[App page](https://appshunter.io/ios/app/37s-37-seconds/id1602845368)

A challenging arcade game where players must navigate a square through a maze of moving blocks and walls for 37 seconds. It's an addictive test of reflexes and precision, rumored to be used by the US Air Force for pilot training.

**Highlights:** Hold and drag gameplay, Avoid moving blocks and walls, Test reflexes and precision, Addictive challenge, Simple controls

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

**In-app purchases:** none


## Frequently asked questions

### Is Saving Memo free?

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

### Is 37S free?

37S is free to download, with no in-app purchases.

### Do Saving Memo or 37S have ads?

Neither Saving Memo nor 37S shows ads.

### Which is updated more often, Saving Memo or 37S?

Saving Memo ships an update every 50 months, and 37S every 5 months. Most recently, Saving Memo was updated on October 4, 2026 and 37S on September 28, 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.*