# ASHSync vs ReactionLog

The clearest difference is in-app purchases: ASHSync at none against ReactionLog's 2. ReactionLog's advantage is update cadence (weekly vs every 3 months) and iOS requirement (16.0 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. ReactionLog sells 2 in-app purchases, starting at $2.99 per month. ASHSync asks for nothing beyond the download.

ASHSync ships an update every 3 months, ReactionLog weekly. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | ASHSync | ReactionLog |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (31 ratings)](https://appshunter.io/ios/app/ashsync/id6467152468/reviews)** | — |
| Number of ratings | **31** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Monetization | Free | — |
| Size | 16 MB | 44 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [American Specialty Health Incorporated](https://appshunter.io/developer/895071437) | [Bo Christensen](https://appshunter.io/developer/6792520040) |

## What reviewers say

### ASHSync

[App page](https://appshunter.io/ios/app/ashsync/id6467152468)

Connect your fitness data from Apple Health to earn incentives for your eligible health program. Easily sync your steps to receive rewards, provided you are a participating member in specific programs.

**Highlights:** Sync steps with Apple Health, Earn program incentives, Connect to eligible health plans, Participate in fitness programs

**Features:** macOS Compatibility

**In-app purchases:** none


### ReactionLog

[App page](https://appshunter.io/ios/app/reactionlog-symptom-tracker/id6792520038)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReactionLog PRO - Monthly | $2.99 | per month |
| ReactionLog PRO - Yearly | $14.99 | per year |


## Frequently asked questions

### Is ASHSync free?

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

### Is ReactionLog free?

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

### Do ASHSync or ReactionLog have ads?

Neither ASHSync nor ReactionLog shows ads.

### Which is updated more often, ASHSync or ReactionLog?

ASHSync ships an update every 3 months, and ReactionLog weekly. Most recently, ASHSync was updated on October 7, 2026 and ReactionLog on October 8, 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.*