3D Data Plot vs Allora
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
3D Data Plot
Visualize scientific measurement data in interactive 3D scatter plots. Supports various CSV delimiters and exponential notation, with precise internal float processing. Import data seamlessly from your device, Mac, or iCloud.
- 3D scatter plot visualization
- CSV file import
- Supports various delimiters (tab, space)
- Imports exponential notation
- Data import from device, Mac, or iCloud
- Precise float processing
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1. Measurement data (CSV file) can be plotted in 3D. • Interprets delimiters other than commas: tab(\t), space(\s) and so on. • Imports the 4th element, which is used as density, concentration and so on. • Imports the value represented with exponential notation "0.0E±0", which is outputted by Excel. • Internal processing in float type, which has a range of ±1E-38 to ±1E+38 with a precision of 6 decimal digits. 2. You can import CSV file in three ways: When completing within one device (iPhone/iPad/Mac). • Create a text file with an application (Notes, Textor, etc.) on the device. • In the application, tap "share button" and then choose “3dDataPlot”. Transfer from Mac to iPhone/iPad • Connect your device (iPhone/iPad) to your Mac via USB cable. • In Finder on your Mac, select the device in the left sidebar and click "File" on the button bar at the right. • Drop a text file into “3dDataPlot” folder. Import from iCloud • Sign in to iCloud.com from browser (Safari, Chrome, etc.) on your Mac. • Select “iCloud Drive”. • Drop a text file into “3dDataPlot” folder.
Allora
This app offers a calm and focused approach to learning Italian, French, and Spanish through short daily lessons and engaging stories. It guides users from beginner levels to conversational fluency with a clear roadmap and smart vocabulary review.
- Guided roadmap from A0 to B1
- 35 hand-crafted units
- Leveled daily stories
- Tap-to-translate and save words
- Spaced-repetition flashcards
- Learn multiple languages separately
- Natural voice pronunciation
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Allora is the calm way to learn Italian, French, and Spanish - ten focused minutes a day, from your very first word to holding a real conversation. No stress, no guilt-trip streaks. Just a clear path and three simple daily loops: A GUIDED ROADMAP (A0 to B1) 35 hand-crafted units across 8 stages take you from the alphabet and greetings to past tenses and everyday conversation. Each unit ends with a checkpoint quiz, so you only move on once it's really stuck. DAILY READS Short, leveled stories - order a coffee in Rome, catch a train, meet a neighbor - written to match exactly where you are. Tap any word you don't know to hear it and save it instantly. SMART REVIEW Saved words turn into spaced-repetition flashcards that come back right before you'd forget them, so vocabulary actually sticks. THREE LANGUAGES, ONE APP Learn Italian, French, and Spanish together or one at a time - your progress, streaks, and saved words are tracked separately for each. Every lesson and story is read aloud in a natural voice, so you train your ear and your accent from day one. Start with ten minutes today. Una lingua al giorno.
Screenshots
Verdict
The clearest difference is in-app purchases: Allora at none against 3D Data Plot's 1. 3D Data Plot's advantage is device support (4 vs 1) and iOS requirement (13.0 vs 16.4). On price 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
Both are free to download. 3D Data Plot sells 1 one-off in-app purchase. Allora asks for nothing beyond the download.
| Parameter | 3D Data Plot | Allora |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 17 months | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone |
| Requires iOS | 13.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 5 MB | 41 MB |
| Age rating | 4+ | 4+ |
| Developer | Yukiko Iwai | AIDAN LANE CONNOLLY |
Customer experience
3D Data Plot
Allora
In-app purchases
3D Data Plot
- Increase Size Limit$7.99
Allora
No in-app purchases









