# JBT PRoLOG vs Triple Notes

The clearest difference is ads: JBT PRoLOG at none against Triple Notes's shown. JBT PRoLOG also leads on iOS requirement (11.0 vs 15.8.3). Triple Notes's advantage is update cadence (every 2 weeks vs every 3 months). On price, 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.

JBT PRoLOG ships an update every 3 months, Triple Notes every 2 weeks. The most recent releases landed on September 9, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | JBT PRoLOG | Triple Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Size | 33 MB | 37 MB |
| Requires iOS | **11.0** | 15.8.3 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ESYS Gesellschaft fuer Elektronische Systemtechnik . Hard- und Software mbH](https://appshunter.io/developer/917295043) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### JBT PRoLOG

[App page](https://appshunter.io/ios/app/jbt-prolog/id1401983412)

**Features:** macOS Compatibility

**In-app purchases:** none


### Triple Notes

[App page](https://appshunter.io/ios/app/triple-notes/id6741947345)

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

**In-app purchases:** none


## Frequently asked questions

### Is JBT PRoLOG free?

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

### Is Triple Notes free?

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

### Do JBT PRoLOG or Triple Notes have ads?

Triple Notes shows ads; JBT PRoLOG does not.

### Which is updated more often, JBT PRoLOG or Triple Notes?

JBT PRoLOG ships an update every 3 months, and Triple Notes every 2 weeks. Most recently, JBT PRoLOG was updated on September 9, 2026 and Triple Notes on September 16, 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.*