Comparison

Achikaps vs DUET Synth

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

Head to head
About

Achikaps

Engage in a straightforward economic strategy game. Explore both a story-driven campaign and a freeform sandbox mode. Enjoy a user-friendly interface and fluid animations.

Highlights
  • Easy to learn
  • Campaign mode
  • Sandbox mode
  • Simple UI
  • Smooth animations
Features
Read full description

Achikaps is a simple economic strategy. Features: - Easy to learn - Campaign and sandbox modes - Simple UI - Smooth animations

About

DUET Synth

Features
Read full description

Two players, one device. Left and right halves are separate instruments — play together, click-fight, or hunt for notes. Amber on black. Free from Aqua Mobilis.

Screenshots

Achikaps4 screens
DUET Synth2 screens

Verdict

The call

The clearest difference is ads: Achikaps at none against DUET Synth's shown. Achikaps also leads on iOS requirement (8.0 vs 18.0). DUET Synth's advantage is update cadence (daily vs every 3 months). On price, in-app purchases and device support 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

Achikaps ships an update every 3 months, DUET Synth daily. The most recent releases landed on October 20, 2026 and October 29, 2026 respectively.

Scorecard3 real differences · 7 level
Achikaps versus DUET Synth: the parameters behind the verdict, then further details
ParameterAchikapsDUET Synth
PriceFreeFree
Rating4.4 (185 ratings) — better—
Positive reviews88.0% of reviews—
Number of ratings185 — better—
Update frequencyEvery 3 monthsDaily — better
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad
Requires iOS8.0 — better18.0
Further details — not scored
Size54 MB2 MB
Age rating4+4+
DeveloperIvan Yakovlievtodd cunningham

Bugs and requests

Achikaps

Reported bugs

2 issues
  • Screen turns grey when opening notifications
  • Buttons and UI elements become unresponsive

Requested features

4 requests
  • Add multiplayer mode
  • Improve enemy AI difficulty scaling
  • Provide more building and unit options
  • Allow renaming of saved files

DUET Synth

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Achikaps

No in-app purchases

None

DUET Synth

No in-app purchases

Questions

Is Achikaps free?
Achikaps is free to download, with no in-app purchases.
Is DUET Synth free?
DUET Synth is free to download, with no in-app purchases.
Do Achikaps or DUET Synth have ads?
DUET Synth shows ads; Achikaps does not.
Which is updated more often, Achikaps or DUET Synth?
Achikaps ships an update every 3 months, and DUET Synth daily. Most recently, Achikaps was updated on October 20, 2026 and DUET Synth on October 29, 2026.

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