# CallOnDoc vs SLS

The clearest difference is device support: SLS at 3 against CallOnDoc's 1. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CallOnDoc ships an update every 10 days, SLS every 2 weeks. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CallOnDoc | SLS |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (28K ratings)](https://appshunter.io/ios/app/callondoc/id6466036549/reviews)** | — |
| Number of ratings | **28K** | — |
| Positive reviews | 73.8% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 10 days** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 61 MB | 372 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [CallonDoc.com Inc](https://appshunter.io/developer/1678708080) | [Amy Hermansen](https://appshunter.io/developer/6780837759) |

## What reviewers say

### CallOnDoc

[App page](https://appshunter.io/ios/app/callondoc/id6466036549)

Access online medical consultations with physicians for a wide range of conditions, from minor ailments to chronic diseases. Receive prescriptions, referrals, and doctor's notes securely and privately. Healthcare is made affordable and accessible, with visits often costing around $39.99.

**Highlights:** Online medical consultations, Prescription medications, Referrals for imaging and lab testing, Prescription refills, Doctor's notes, Treats over 70 conditions, Asynchronous or phone visits

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Quick and efficient
- 💡 Convenient for busy schedules
- 👍 Affordable and cost-effective
- 🚑 Helpful for emergencies and urgent needs
- 🏥 Reliable for chronic conditions

**What reviewers complain about**

- 🐛 Glitchy app experience
- 🕰️ Slow response times
- 💰 Deceptive pricing and hidden fees
- 📞 Poor customer service and communication
- 🔍 Lack of transparency in practices

**Reported bugs**

- Login and navigation issues
- Inconsistent prescription fulfillment
- Compatibility problems with older devices

**Requested features**

- Improved messaging and communication system
- Streamlined prescription refill process
- Enhanced integration with insurance providers
- Expanded range of medical services offered


### SLS

[App page](https://appshunter.io/ios/app/sls-tx/id6780837757)

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

**In-app purchases:** none


## Frequently asked questions

### Is CallOnDoc free?

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

### Is SLS free?

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

### Do CallOnDoc or SLS have ads?

Neither CallOnDoc nor SLS shows ads.

### Which is updated more often, CallOnDoc or SLS?

CallOnDoc ships an update every 10 days, and SLS every 2 weeks. Most recently, CallOnDoc was updated on October 29, 2026 and SLS on October 28, 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.*