Comparison

Blocks Challenge vs Sirret Terris Reversed

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

Head to head
About

Blocks Challenge

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A classic Tetris game with additional levels and puzzles, develop your logic and pump up your brain! A simple yet addictive and relaxing game that will help you relax and think at the same time! Features: - A bright and pleasing color palette that does not overload the eyes! - Choose the color style of the game to diversify your gaming experience! - 2 extra fun mini games! Have fun with the Block Challenge and become a master at destroying block lines to achieve new records! Collect as many block lines as possible to free up space on the field and beat your records!

About

Sirret Terris Reversed

Features
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What if gravity worked the other way?
SIRRET reinvents the block-dropping genre by inverting everything — from rules to rhythm. Designed with a sleek neon interface and precision-focused controls, this is not just a twist on Tetris. It's a full redefinition. Enter a high-contrast digital skyline where strategy is no longer about speed, but orientation. With every move, you're not just placing blocks — you're decrypting a system, mastering inversion logic, and adapting in real time. Key Highlights: •Reverse Core Mechanics – Intuitive to learn, hard to master. Drop with foresight, not just reflex. •"Lock-On" System – Fine-tune placement before commitment. Your move, your terms. •Stat-Driven Gameplay – Track every tetromino. Know your tendencies, sharpen your strategy. •Immersive Visuals & Audio – Synthwave-inspired skyline, animated grid, and reactive sounds. •No Ads. No Timers. No Handholding. – Just a focused, uninterrupted challenge. SIRRET isn’t nostalgia — it’s evolution.
 Welcome to the reverse paradigm.

Screenshots

Blocks Challenge4 screens
Sirret Terris Reversed4 screens

Verdict

The call

The clearest difference is update cadence: Blocks Challenge at every 5 weeks against Sirret Terris Reversed's every 5 months. Sirret Terris Reversed's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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

Blocks Challenge ships an update every 5 weeks, Sirret Terris Reversed every 5 months. Both last shipped on October 25, 2026.

Scorecard3 real differences · 3 level
Blocks Challenge versus Sirret Terris Reversed: the parameters behind the verdict, then further details
ParameterBlocks ChallengeSirret Terris Reversed
PriceFreeFree
Update frequencyEvery 5 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
DevicesiPhoneiPhone, iPad, iPod — better
Requires iOS16.013.0 — better
Further details — not scored
Size82 MB138 MB
Age rating17+4+
DeveloperDaniela BailloHuynh Ngan

In-app purchases

None

Blocks Challenge

No in-app purchases

None

Sirret Terris Reversed

No in-app purchases

Questions

Is Blocks Challenge free?
Blocks Challenge is free to download, with no in-app purchases.
Is Sirret Terris Reversed free?
Sirret Terris Reversed is free to download, with no in-app purchases.
Do Blocks Challenge or Sirret Terris Reversed have ads?
Neither Blocks Challenge nor Sirret Terris Reversed shows ads.
Which is updated more often, Blocks Challenge or Sirret Terris Reversed?
Blocks Challenge ships an update every 5 weeks, and Sirret Terris Reversed every 5 months. Most recently, Blocks Challenge was updated on October 25, 2026 and Sirret Terris Reversed on October 25, 2026.

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