Comparison

Bitacora vs Megatuner Plus

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Bitacora

Record your life events through voice, text, or photos. Organize memories with categories, tags, and people. Review and share your experiences, with automatic geolocation and multi-device sync.

Highlights
  • Voice memo recording
  • Multimedia entries (photo, audio, text)
  • Organized by categories and tags
  • Automatic geolocation
  • Multi-device sync
  • PDF export
Features
Read full description

FREE FOR A LIMITED LAUNCHING PERIOD! Capture your life events as they happen. Write a note, take a picture, record a voice memo, tag it. It is as easy as it can get. Tired of having to write in your diary? Now with Bitacora you can directly speak to record your memories. No need to wait until you have time to write. Speak up your thoughts, record the sounds of your surroundings (your family, your kids, nature...). It is the perfect tool to record your memories! Features: # EASILY ORGANIZED # • Organize each memory by simple predefined categories • Add personalized tags for easy retrieval • Easily add people you were with • Time and location will be also automatically stored in each memo # VOICE RECORDING # • Record your memory when it is happening • Store the audio of your surroundings • No need to write in your journal if you don't want to # EASY WRITING # • Easily add your notes in a simple interface • Add stored customized and predefined tags • Store and add people you were with to the text • Title each memo for better visualization # MULTIMEDIA # • Add a picture to each memo for easy remembering • Add audio or text • Bitácora will automatically geolocate where you recorded your memory # REVISE AND SHARE YOUR MEMORIES # • Easy to revise your goals, your learnings, your thoughts • Listen to your memories and share them with your loved ones • Create organized PDFs if needed • Revisit a trip, see on a map where you went, listen to what you said, what you wrote, the pictures you took. • Easily handpick a selection of memories to share or to revisit # MULTIDEVICE # • Sync entries across all your iOS devices • Keep a backup online • Store organized PDFs Bitacora is more than just a diary! It is the best tool there is to become a better you, its like having your conscience active that will guide you to improve and become a better you! TRY IT OUT! IT'S THE BEST AND FASTEST TOOL THERE IS TO TRACK AND REMEMBER YOUR LIFE EVENTS AND YOUR MEMORIES.

About

Megatuner Plus

Features
Read full description

Introducing an Advanced PID Controller Tuner for iOS. The Megatunes Plus app makes the tuning of your PI/PID controllers of (generally) noisy & possible interacting process loops easier. Using data from your control loop experiments. Our advanced algorithms analyze the data to help you find the optimal settings for your controller, ensuring optimal performance and stability. Example processes: Chemical processing plants, Power Plants, ship position control, to mention some. Features: * Advanced PI/PID Controller Tuner for generally noisy & possible interacting process loops. * User-friendly interface for simple and efficient data input and analysis * Advanced algorithms for accurate and precise model and controller tuning * Convert your PID controller parameters over 20 different DCS vendor forms. Whether you're an experienced engineer or just starting out, our PI/PID controller tuner app for iOS can help you fine-tune your control loop and improve your process control system. Download now and start optimizing your loops today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Bitacora4 screens
Megatuner Plus4 screens

Verdict

The call

The clearest difference is in-app purchases: Bitacora at none against Megatuner Plus's 2. Bitacora also leads on device support (4 vs 2) and iOS requirement (9.0 vs 16.0). On price, update cadence and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Megatuner Plus sells 2 in-app purchases, starting at $4.49 per month. Bitacora asks for nothing beyond the download.

UpkeepUpdate frequency

Bitacora ships an update every 2 months, Megatuner Plus every 5 weeks. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

Scorecard3 real differences · 7 level
Bitacora versus Megatuner Plus: the parameters behind the verdict, then further details
ParameterBitacoraMegatuner Plus
PriceFreeFree
Rating1.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS9.0 — better16.0
Further details — not scored
Size41 MB1 MB
Age rating4+17+
DeveloperLuis Carvajal HoyosChrister Dalen

In-app purchases

None

Bitacora

No in-app purchases

2 purchases

Megatuner Plus

Subscriptions2
  • Megatuner_Mimo Full$4.491 Month
  • Megatuner_Mimo Full$44.901 Year

Questions

Is Bitacora free?
Bitacora is free to download, with no in-app purchases.
Is Megatuner Plus free?
Megatuner Plus is free to download, with in-app purchases available.
Do Bitacora or Megatuner Plus have ads?
Neither Bitacora nor Megatuner Plus shows ads.
Which is updated more often, Bitacora or Megatuner Plus?
Bitacora ships an update every 2 months, and Megatuner Plus every 5 weeks. Most recently, Bitacora was updated on November 2, 2026 and Megatuner Plus on November 3, 2026.

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