# Celetric vs Retro Notes

The clearest difference is in-app purchases: Celetric at none against Retro Notes's 4. Celetric also leads on iOS requirement (13.0 vs 18.0). Retro Notes's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Retro Notes sells 4 in-app purchases, starting at $0.99 per 7 days. Celetric asks for nothing beyond the download.

Celetric ships an update weekly, Retro Notes every 8 days. The most recent releases landed on October 16, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Celetric | Retro Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 8 days |
| Size | 93 MB | 19 MB |
| Requires iOS | **13.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Celetric, LLC](https://appshunter.io/developer/1829349850) | [EGE AYBEK](https://appshunter.io/developer/1871937675) |

## What reviewers say

### Celetric

[App page](https://appshunter.io/ios/app/celetric-creator/id6749310271)

**Features:** macOS Compatibility

**In-app purchases:** none


### Retro Notes

[App page](https://appshunter.io/ios/app/retro-notes-notetaker/id6758278823)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $0.99 | per 7 days |
| Weekly | $1.99 | per 7 days |
| Monthly | $4.99 | per month |
| Annual | $39.99 | per year |


## Frequently asked questions

### Is Celetric free?

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

### Is Retro Notes free?

Retro Notes is free to download, with in-app purchases available.

### Do Celetric or Retro Notes have ads?

Celetric shows ads; Retro Notes does not.

### Which is updated more often, Celetric or Retro Notes?

Celetric ships an update weekly, and Retro Notes every 8 days. Most recently, Celetric was updated on October 16, 2026 and Retro Notes on October 2, 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.*