# Studio TwentyFive vs AS Log

The clearest difference is in-app purchases: Studio TwentyFive at none against AS Log's 3. Studio TwentyFive also leads on iOS requirement (15.6.1 vs 17.0). AS Log's advantage is update cadence (every 10 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. AS Log sells 3 one-off in-app purchases. Studio TwentyFive asks for nothing beyond the download.

Studio TwentyFive ships an update every 3 weeks, AS Log every 10 days. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Studio TwentyFive | AS Log |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/as-log-ankylosing-spondylitis/id6756754942/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free with in-app purchases |
| Size | 93 MB | 45 MB |
| Requires iOS | **15.6.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [FastPlay Ltd](https://appshunter.io/developer/995838392) | [Lewis Moss](https://appshunter.io/developer/1788086982) |

## What reviewers say

### Studio TwentyFive

[App page](https://appshunter.io/ios/app/studio-twentyfive/id6497950259)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### AS Log

[App page](https://appshunter.io/ios/app/as-log-ankylosing-spondylitis/id6756754942)

This app helps individuals with axial spondyloarthritis (AxSpA/AS) monitor their symptoms, medications, and test results. It provides visual trend analysis and data export for clearer communication with healthcare providers.

**Highlights:** BASDAI symptom tracking, Medication logging and reminders, Test result logging, Journal notes, Symptom visualization charts, Data export to JSON, iCloud sync

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Support development | $3.99 | one-time |
| Support development | $6.99 | one-time |
| Support development | $12.99 | one-time |


## Frequently asked questions

### Is Studio TwentyFive free?

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

### Is AS Log free?

AS Log is free to download, with in-app purchases available.

### Do Studio TwentyFive or AS Log have ads?

Neither Studio TwentyFive nor AS Log shows ads.

### Which is updated more often, Studio TwentyFive or AS Log?

Studio TwentyFive ships an update every 3 weeks, and AS Log every 10 days. Most recently, Studio TwentyFive was updated on October 27, 2026 and AS Log on October 30, 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.*