Comparison

Just Write vs Astren

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

Head to head
About

Just Write

A minimalist text editor designed to streamline the writing process. It supports both RTF and TXT formats, offering rich text editing and Markdown support. Sync your work across devices with iCloud integration.

Highlights
  • RTF and TXT file support
  • Markdown styling
  • iCloud file syncing
  • Rich text editing tools
  • Multiple themes
  • Smart selection tool (iPad)
Features
Read full description

Just Write text editor aims to simplify writing process. The app is carefully designed so that the only things that are absolutely essential to the writing process are included. Just Write supports RTF (rich text format) and TXT (plain text format) that are cross-platform formats you can open and edit in virtually any platforms. + RTF , a WYSIWYG (what you see is what you get) format, is best suitable for creating your next big story. + While TXT, supported Markdown styles, is best for notes, outline, to-do list and anything else you do with a plaintext format. Just Write has iCloud support (opt-in) so you can sync your rtf and txt files across all your devices. RTF editing features include: - Font size increase and decrease - Text color selection - Text style editing such as Bold, Italic, Underline and Strikethrough - Text alignments: Left, Right, Center, Justified - Undo, Redo - Move arrow to jump the cursor - Selection tool to select paragraph, sentence and word super fast and easy (iPad only). Using smart selection tool, you can select paragraph, sentence and word in just 1 tap!!!!!! TXT editing features include: - Accessory row includes many characters essential to writing Markdown. - Multiple fonts to choose from - Preview Markdown (in left menu) - Three themes (Light, Dark, Sepia) - Support plain text format extensions: txt, text, md, mmd, markdown, markdn, mdown, mkdn, markd, fountain - Selection tool to select paragraph, sentence and word super fast and easy (iPad only). Using smart selection tool, you can select paragraph, sentence and word in just 1 tap!!!!!! * Note: Just Write is supported by ads, but you can buy an in app purchase to remove the ads.

About

Astren

This app combines notes, audio recordings, and guitar tabs into a single platform for songwriters. It offers a full text editor, in-note audio recording, and a built-in tab editor, keeping all your musical ideas organized and accessible.

Highlights
  • Text editing suite
  • Inline audio recording
  • Built-in guitar tab editor
  • Local and iCloud file storage
  • Share notes, recordings, or tabs
  • Light and dark mode
Features
Read full description

A notes app built for songwriters. Most songwriters work out of multiple apps. A notes app for lyrics and ideas, a recorder for audio, a second note or audio file to notate the music. It works, but it's messy, and keeping everything organized is a job in itself. Astren brings your notes, your recordings, and your guitar tabs into one place, so your ideas and the music behind them are always together. WRITE • A full text editing suite for capturing ideas the moment they show up • Headers, bold, italic, checklists, and hyperlinks RECORD • Record audio directly within your notes • Recordings live as inline tokens, right next to the lyrics or arrangement they belong to • Loop a riff and write to it NOTATE • A built-in guitar tab editor for notating exactly what you just played • Fast, intuitive, and stored right alongside everything else YOUR FILES, YOUR WAY • Astren stores everything in your phone's Files app, locally or in iCloud • Your work is yours, always SHARE ANYTHING • Share a full note, a recording, or a tab directly from the app • A collaboration tool as much as it is a writing tool NOT JUST FOR SONGWRITING Astren is a fully capable notes platform. Grocery lists, to-do lists, whatever you need. The songwriting tools are there when you need them, and out of the way when you don't. Light and dark mode supported.

Screenshots

Just Write4 screens
Astren4 screens

Verdict

The call

The clearest difference is rating: Astren at 5.0 against Just Write's 4.3. Astren also leads on in-app purchases (none vs 1) and ads (none vs shown). Just Write's advantage is update cadence (every 11 days vs every 5 months) and ratings volume (1.8K vs 5). On price 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. Just Write sells 1 one-off in-app purchase. Astren asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Astren holds the better App Store score, 5.0 against 4.3. That said, the two scores are not equally well evidenced: Just Write has 1.8K ratings behind it against 5, so its average is the more settled of the two. Written reviews point the same way: 67% of Just Write's written reviews are positive against 100% of Astren's.

UpkeepUpdate frequency

Just Write ships an update every 11 days, Astren every 5 months. The most recent releases landed on November 11, 2026 and October 31, 2026 respectively.

Scorecard9 real differences · 1 level
Just Write versus Astren: the parameters behind the verdict, then further details
ParameterJust WriteAstren
PriceFreeFree
Rating4.3 (1.8K ratings)5.0 (5 ratings) — better
Positive reviews66.7% of reviews100.0% of reviews — better
Number of ratings1.8K — better5
Update frequencyEvery 11 days — betterEvery 5 months
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod — betteriPhone
Requires iOS15.0 — better26.2
Further details — not scored
Size10 MB5 MB
Age rating4+4+
DeveloperTung VuJUSTIN ALEXANDER WEISS

Customer experience

Just Write

All ratings1,749 ratings
Positive83.8%
Neutral4.7%
Negative11.5%
Written reviews426 reviews
Positive66.7%
Neutral8.0%
Negative25.4%

Astren

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Just Write

Reported bugs

4 issues
  • Frequent crashes and data loss
  • Inability to reopen saved documents
  • Unreliable auto-save functionality
  • Compatibility issues on older devices

Requested features

7 requests
  • Add dark mode option
  • Implement more font and formatting choices
  • Introduce paragraph spacing and indentation controls
  • Integrate spell check and grammar tools
  • Enable file syncing across devices
Show 2 more
  • Add image/multimedia support
  • Provide better file management and organization

Astren

Not enough reviews yet to summarise bugs or requests.

In-app purchases

1 purchases

Just Write

One-time1
  • No Ads$6.99
None

Astren

No in-app purchases

Questions

Is Just Write free?
Just Write is free to download, with in-app purchases available.
Is Astren free?
Astren is free to download, with no in-app purchases.
Which has better reviews, Just Write or Astren?
Astren is rated higher. Just Write averages 4.3 out of 5 from 1.8K ratings, while Astren averages 5.0 from 5 ratings.
Do Just Write or Astren have ads?
Just Write shows ads; Astren does not.
Which is updated more often, Just Write or Astren?
Just Write ships an update every 11 days, and Astren every 5 months. Most recently, Just Write was updated on November 11, 2026 and Astren on October 31, 2026.

Other comparisons