Comparison

Rock Core vs Apollos Preview

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

Head to head
About

Rock Core

Stay informed about Rock RMS events and engage with the community. This app is designed for both experienced users and newcomers to the platform.

Highlights
  • Real-time updates on Rock RMS
  • Community engagement features
  • Suitable for all experience levels
  • Mobile access to platform information
Features
Read full description

Stay up to date with what's happening in Rock RMS. Jump in and get involved with the community whether you're a veteran or just getting started.

About

Apollos Preview

Features
Read full description

Apollos Preview lets you open any Apollos experience by easily scanning a compatible QR Codes. You'll find QR Codes in your Apollos dashboard within launch center or when opening any share link.

Screenshots

Rock Core3 screens
Apollos Preview3 screens

Verdict

The call

Rock Core and Apollos Preview are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Rock Core ships an update fortnightly, Apollos Preview every 2 weeks. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

ScorecardNo meaningful differences
Rock Core versus Apollos Preview: the parameters behind the verdict, then further details
ParameterRock CoreApollos Preview
PriceFreeFree
Rating5.0 (4 ratings) — better—
Number of ratings4 — better—
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Apple TV — betteriPhone, iPad, Apple TV
Requires iOS15.0 — better16.4
Further details — not scored
Size220 MB81 MB
Age rating4+4+
DeveloperSpark Development Network, Inc.Apollos

In-app purchases

None

Rock Core

No in-app purchases

None

Apollos Preview

No in-app purchases

Questions

Is Rock Core free?
Rock Core is free to download, with no in-app purchases.
Is Apollos Preview free?
Apollos Preview is free to download, with no in-app purchases.
Do Rock Core or Apollos Preview have ads?
Neither Rock Core nor Apollos Preview shows ads.
Which is updated more often, Rock Core or Apollos Preview?
Rock Core ships an update fortnightly, and Apollos Preview every 2 weeks. Most recently, Rock Core was updated on November 3, 2026 and Apollos Preview on November 8, 2026.

Other comparisons