# TelinkBtOTA vs Operations Diary

The clearest difference is price: TelinkBtOTA at Free against Operations Diary's $0.99. TelinkBtOTA also leads on iOS requirement (13.0 vs 15.5). Operations Diary's advantage is update cadence (weekly vs every 4 months). On ads, in-app purchases and device support there is nothing between them.

TelinkBtOTA is free to download; Operations Diary costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TelinkBtOTA ships an update every 4 months, Operations Diary weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | TelinkBtOTA | Operations Diary |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Weekly** |
| Size | 2 MB | 33 MB |
| Requires iOS | **13.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Telink Micro LLC](https://appshunter.io/developer/1535739723) | [Lars Schaefer-Dryden](https://appshunter.io/developer/642726139) |

## What reviewers say

### TelinkBtOTA

[App page](https://appshunter.io/ios/app/telinkbtota/id1617050375)

**Features:** macOS Compatibility

**In-app purchases:** none


### Operations Diary

[App page](https://appshunter.io/ios/app/operations-diary/id6760564390)

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

**In-app purchases:** none


## Frequently asked questions

### Is TelinkBtOTA free?

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

### Is Operations Diary free?

Operations Diary costs $0.99, with no in-app purchases.

### Do TelinkBtOTA or Operations Diary have ads?

Neither TelinkBtOTA nor Operations Diary shows ads.

### Which is updated more often, TelinkBtOTA or Operations Diary?

TelinkBtOTA ships an update every 4 months, and Operations Diary weekly. Most recently, TelinkBtOTA was updated on October 27, 2026 and Operations Diary on October 31, 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.*