Comparison

105.1 I vs Throwback 103

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head

105.1 I

Free

🎬 Entertainment

★ 5.01 ratingsView app →

About

105.1 I

This app provides local and independent rock music for listeners in Twin Falls. It features a curated playlist for rock enthusiasts, broadcasting Idaho's pure rock sound. The station is employee-owned and based in the Magic Valley.

Highlights

Local rock music
Independent playlist
Twin Falls focus
Magic Valley broadcast
Employee-owned station

Features

Read full description

Twin Fall's local and independent Rock Radio. 105.1 I-Rock curates it's playlist for those in Twin Falls that like to truly Rock! We are employee owned and live in the Magic Valley. Idaho's Pure Rock lives at 105.1 I-Rock.

About

Throwback 103

Features

Read full description

Throwback 103 plays all the top 40 hits from the 90s and early 2000's. You can listen in East Idaho on your HD compatible radio at 103.3 HD2. Broadcasting to Pocatello, Blackfoot, Idaho Falls, Rigby, Rexburg and more.

Screenshots

105.1 I3 screens

Throwback 1034 screens

Verdict

The call

The clearest difference is iOS requirement: 105.1 I at 15.0 against Throwback 103's 18.2. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

105.1 I ships an update every 13 months, Throwback 103 every 9 months. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

Scorecard1 real difference · 8 level

105.1 I versus Throwback 103: the parameters behind the verdict, then further details
Parameter	105.1 I	Throwback 103
Price	Free	Free
Rating	5.0 (1 ratings) — better	—
Number of ratings	1 — better	—
Update frequency	Every 13 months	Every 9 months — better
Ads	Yes	Yes
In-app purchases	No	No
Monetization	Ad-supported	—
Devices	iPhone, iPad, iPod	iPhone, iPad, iPod
Requires iOS	15.0 — better	18.2
Further details — not scored
Size	16 MB	12 MB
Age rating	4+	4+
Developer	Illiad Media Boise, LLC	Riverbend Communications Llc

In-app purchases

None

105.1 I

No in-app purchases

None

Throwback 103

No in-app purchases

Questions

Is 105.1 I free?

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

Is Throwback 103 free?

Throwback 103 is free to download, with no in-app purchases.

Do 105.1 I or Throwback 103 have ads?

Both 105.1 I and Throwback 103 show ads.

Which is updated more often, 105.1 I or Throwback 103?

105.1 I ships an update every 13 months, and Throwback 103 every 9 months. Most recently, 105.1 I was updated on October 23, 2026 and Throwback 103 on October 16, 2026.