# OTC Memo vs Keepon.

OTC Memo and Keepon. 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.

OTC Memo ships an update weekly, Keepon. every 5 days. The most recent releases landed on September 13, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | OTC Memo | Keepon. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Every 5 days** |
| Size | 41 MB | 30 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Katsushi Kawamori](https://appshunter.io/developer/1771822715) | [Ryosuke Hayashi](https://appshunter.io/developer/1841602798) |

## What reviewers say

### OTC Memo

[App page](https://appshunter.io/ios/app/otc-memo/id6751605864)

**Features:** macOS Compatibility

**In-app purchases:** none


### Keepon.

[App page](https://appshunter.io/ios/app/keepon/id6752893827)

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

**In-app purchases:** none


## Frequently asked questions

### Is OTC Memo free?

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

### Is Keepon. free?

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

### Do OTC Memo or Keepon. have ads?

Neither OTC Memo nor Keepon. shows ads.

### Which is updated more often, OTC Memo or Keepon.?

OTC Memo ships an update weekly, and Keepon. every 5 days. Most recently, OTC Memo was updated on September 13, 2026 and Keepon. on September 9, 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.*