Can HarmonyOS Overtake Android? A Game Theory Analysis of Its Market Strategy

Background and Market Position

After being placed on the U.S. Entity List in May 2019, Huawei lost access to Google Mobile Services (GMS) and accelerated the commercial rollout of its self‑developed operating system, HarmonyOS. Counterpoint Research data show that by Q2 2025 HarmonyOS held 19% of the Chinese smartphone OS market (six consecutive quarters ahead of iOS) and about 4% globally, ranking third.

Two‑Sided Market Framework

Operating‑system platforms are classic two‑sided markets that connect users and application developers. User adoption depends on the richness of the app ecosystem, while developers choose platforms based on the size of the user base. This cross‑side network externality creates positive feedback loops and a tendency toward market concentration: when either side falls below a critical threshold, the ecosystem can enter a negative‑feedback decline.

Game‑Theoretic Model of Developer Decisions

Payoff Function

Assume two platforms, Android (A) and HarmonyOS (H). For a developer allocating resources to platform i, the expected payoff is modeled as:

U_i = \alpha_i \cdot N_i + \beta_i \cdot A_i - C_i + S_i + \gamma_i

where:

N_i : number of users on platform i A_i : existing number of applications (ecosystem maturity)

C_i : development cost

S_i : subsidies or policy support

\gamma_i : benefit coefficient reflecting platform‑specific advantages

In the pre‑HarmonyOS equilibrium, Android’s large N and A made U_A dominant, forming a stable Nash equilibrium where each developer’s best response was to choose Android.

Huawei’s Strategic Levers

Cost Reduction – Huawei introduced the ArkUI framework and ArkTS language. Official benchmarks claim about a 30% increase in UI‑development efficiency and “write once, deploy everywhere” to lower cross‑device adaptation costs.

Subsidy Increase – Annual developer‑support budget exceeds 60 billion CNY, including a 150 billion CNY ecosystem fund and a 10 billion CNY “Tiangong Plan.” Individual developer incentives can reach up to 6 million CNY.

User‑Base Expansion – In Q2 2025 Huawei shipped 12.5 million phones in China, achieving an 18.1% market share (rank 1). Moreover, 69% of Huawei phone users also own at least one other HarmonyOS device (tablet, watch, etc.), raising migration costs for users.

Critical‑Mass Dynamics

The model incorporates a critical app‑count threshold T. When the total number of apps A exceeds T, the ecosystem experiences self‑reinforcing growth; below T it tends to contract. Huawei defines T = 100,000 apps as the maturity marker. HarmonyOS currently has >30,000 apps and meta‑services in development, and the top 5,000 apps account for 99.9% of user usage time, indicating the platform is approaching the critical point.

Empirical Alignment with the Model

Chinese Market Share : 19% (stable user‑side share)

Registered Developers : >8 million (developer‑side has reached critical scale)

Apps & Meta‑services : 30k+ (target 100k, positive feedback underway)

Top‑App Coverage : WeChat, Alipay, Douyin, etc., already adapted (key application nodes secured)

Device Binding Rate : 69% of users bind multiple devices (high user migration cost)

Open‑Source Codebase : 130 million lines (robust technical foundation)

These figures demonstrate that simultaneous adjustments to C_i, S_i, and N_i have shifted the original market equilibrium toward a new stable state for HarmonyOS in China.

Competitive Interaction

Google’s response includes tighter integration of GMS with Android, accelerated development of the next‑generation Fuchsia OS, and increased investment in emerging markets such as India and Southeast Asia.

Huawei’s counter‑strategy focuses on differentiation: a distributed architecture enabling seamless cooperation across phones, tablets, PCs, and cars; a meta‑service layer that reshapes app distribution; and an AI‑agent‑oriented HarmonyOS intelligence framework.

Potential Long‑Term Equilibria

Scenario 1 – Regional Segmentation : HarmonyOS captures 25‑30% of the Chinese market, Android dominates overseas, and iOS remains a high‑end niche. This continuation of current trends is considered the most likely outcome.

Scenario 2 – Global Triple‑Pole : HarmonyOS expands to >50 countries, achieving >15% global market share within 3‑5 years, contingent on solving the GMS‑replacement challenge abroad.

Scenario 3 – Paradigm Shift : Advances in AI‑Agent technology fundamentally change human‑computer interaction, redefining OS competition dimensions. HarmonyOS’s AI‑agent framework could become a decisive factor.

Conclusion

From a game‑theoretic perspective, Huawei’s multi‑dimensional tactics—reducing development cost, increasing subsidies, and expanding the user base—have altered the payoff structure and moved HarmonyOS past the critical‑mass threshold of a two‑sided market. The case illustrates that late entrants can achieve sustainable positions by reshaping the underlying economic incentives rather than merely competing on existing dimensions.