# SILS vs ThinkAboutIt 1

The clearest difference is update cadence: SILS at every 6 months against ThinkAboutIt 1's every 22 months. ThinkAboutIt 1's advantage is iOS requirement (11.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

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

SILS ships an update every 6 months, ThinkAboutIt 1 every 22 months. Both last shipped on September 16, 2026.

## The numbers

| Metric | SILS | ThinkAboutIt 1 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 90.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 22 months |
| Monetization | Free | — |
| Size | 6 MB | 75 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [Saskatchewan Information Library Services Consortium Inc](https://appshunter.io/developer/1295204396) | [Enable Training and Consulting, Inc.](https://appshunter.io/developer/486078574) |

## What reviewers say

### SILS

[App page](https://appshunter.io/ios/app/sils/id1295204397)

Easily search library catalogs, place holds, and manage your account on the go. Access your library barcode without your physical card. Available for customers of specific Saskatchewan library systems.

**Highlights:** Search library catalog, Place and manage holds, Renew borrowed items, View account status and fines, Access digital library barcode, Refine searches with filters

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

**In-app purchases:** none


### ThinkAboutIt 1

[App page](https://appshunter.io/ios/app/thinkaboutit-1/id1389122795)

**In-app purchases:** none


## Frequently asked questions

### Is SILS free?

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

### Is ThinkAboutIt 1 free?

ThinkAboutIt 1 is free to download, with no in-app purchases.

### Do SILS or ThinkAboutIt 1 have ads?

Neither SILS nor ThinkAboutIt 1 shows ads.

### Which is updated more often, SILS or ThinkAboutIt 1?

SILS ships an update every 6 months, and ThinkAboutIt 1 every 22 months. Most recently, SILS was updated on September 16, 2026 and ThinkAboutIt 1 on September 16, 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.*