# AIMSS SHIMLA vs ShiftRoot

The clearest difference is in-app purchases: AIMSS SHIMLA at none against ShiftRoot's 3. AIMSS SHIMLA also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). ShiftRoot's advantage is update cadence (weekly vs monthly). On price and ads there is nothing between them.

Both are free to download. ShiftRoot sells 3 in-app purchases, starting at $4.99 per 7 days. AIMSS SHIMLA asks for nothing beyond the download.

AIMSS SHIMLA ships an update monthly, ShiftRoot weekly. Both last shipped on November 9, 2026.

## The numbers

| Metric | AIMSS SHIMLA | ShiftRoot |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 29 MB | 60 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Atal Institute of Medical Super Specialities](https://appshunter.io/developer/1888120124) | [TECHOCTO TECHNOLOGIES PRIVATE LIMITED](https://appshunter.io/developer/6812244074) |

## What reviewers say

### AIMSS SHIMLA

[App page](https://appshunter.io/ios/app/aimss-shimla/id6761172440)

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

**In-app purchases:** none


### ShiftRoot

[App page](https://appshunter.io/ios/app/shiftroot-wake-focus-sleep/id6812244072)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Weekly | $4.99 | per 7 days |
| Premium Monthly | $9.99 | per month |
| Premium Yearly | $59.99 | per year |


## Frequently asked questions

### Is AIMSS SHIMLA free?

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

### Is ShiftRoot free?

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

### Do AIMSS SHIMLA or ShiftRoot have ads?

Neither AIMSS SHIMLA nor ShiftRoot shows ads.

### Which is updated more often, AIMSS SHIMLA or ShiftRoot?

AIMSS SHIMLA ships an update monthly, and ShiftRoot weekly. Most recently, AIMSS SHIMLA was updated on November 9, 2026 and ShiftRoot on November 9, 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.*